Vindum CV Series, CV-405, CV-210, CV-410, CV-310 User Manual

CV-Series

High-Pressure Valves

USER GUIDE

369 Syringa Ridge
Sandpoint, ID 83864

281.782.8312
www.vindum.com
[e-mail]

V:1.2 (3-07-17)

1

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Copyright 2005-2017

Vindum Engineering, Inc. All rights reserved. Reproducon or use of contents in any manner is prohibited
without express permission from Vindum Engineering. While every precauon has been taken in the prepara­on of this manual, the publisher assumes no responsibility for errors or omissions. Neither is any liability
assumed for damages resulng from use of the informaon contained herein.

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Table of Contents

Chapter 1 General Overview .................................................................................................. 1

1.1 Conguraon ............................................................................................................................ 1

1.2 Main O-Ring Seal Material ........................................................................................................ 1

1.3 Pressure Rang ......................................................................................................................... 1

1.4 Solenoid Pilot Valve .................................................................................................................. 2

1.5 Valve Temperature Rang ........................................................................................................ 2

1.6 Weed Parts ............................................................................................................................. 2

1.7 Everything you need to operate your CV Valve ........................................................................ 2

1.8 Addional Informaon .............................................................................................................. 3

1.8.1 CV Valve Models .................................................................................................. 3

1.8.2 CV Valve Size ....................................................................................................... 4

Chapter 2 Understanding Your Valve ................................................................................... 5

2.1 Principles of Operaon for the 2-Way Valve ............................................................................ 5

2.1.1 Possible Conguraons of the 2-Way Valve .................................................................. 5

2.1.2 Direcon of Flow ............................................................................................................ 5

2.2 Principles of Operaon for the 3-Way Valve ............................................................................ 5

2.2.1 Possible Conguraons of the 3-Way Valve .................................................................. 5

2.2.1.1 Open / Closed Posion (A1 / B2) ...................................................................... 6

2.2.1.2 Closed / Open Posion (B1 / A2) ...................................................................... 6

2.2.1.3 Open / Open Posion (A1 / A2) ........................................................................ 6

2.2.1.4 Closed / Closed Posion (B1 / B2) .................................................................... 6

Chapter 3 Solenoid Pilot Valves & Manifolds .................................................................... 7

3.1 Air Supply Requirements .......................................................................................................... 7

3.1.1 Air Input and Output ............................................................................................ 7

3.2 Electrical Power......................................................................................................................... 8

3.3.1 Power Failure Opons.......................................................................................... 8

3.3 High Temperature CV Valves .................................................................................................... 9

Chapter 4 CV-200 Series & CV-400 Series Valve Maintenance.................................... 11

3

4.1 Tools You Will Need ................................................................................................................ 11

4.2 Disassembling the 2-Way Valve .............................................................................................. 11

4.3 Disassembling the Piston Assembly ........................................................................................ 12

4.4 Disassembling the Sleeve Assembly ....................................................................................... 12

4.5 Inspecng the Sleeve and Cone .............................................................................................. 13

4.6 Reassembling the Sleeve Assembly ........................................................................................ 13

4.7 Reassembling the Piston Assembly ......................................................................................... 14

4.8 Reassembling the 2-Way Valve ............................................................................................... 14

Chapter 5 CV-300 Series & CV-500 Series Valve Maintenance .................................. 17

5.1 Dierences Between the CV 2-Way and 3-Way Valves .......................................................... 17

5.2 Disassembling the 3-Way Valve .............................................................................................. 17

5.3 Disassembling the Piston Assembly ........................................................................................ 18

5.4 Disassembling the Sleeve Assembly ....................................................................................... 18

5.5 Reassembling the Sleeve Assembly ........................................................................................ 18

5.6 Reassembling the Piston Assembly ......................................................................................... 18

5.7 Reassembling the 3-Way Valve ............................................................................................... 18

Chapter 6 Maintenance & Troubleshoong .................................................................... 21

6.1 Air Supply Problems ................................................................................................................ 21

6.1.1 Solenoid Pilot Valve Visual Check ................................................................................ 21

6.1.1.1 If the Light Goes On and O for a Dierent Solenoid Pilot Valve................... 21

6.1.1.2 If No Light Goes On or O ............................................................................... 22

6.1.2 Solenoid Pilot Valve Audio Check ................................................................................ 22

6.1.2.1 No “Air Escaping” Sound When CV Valves Are Opened & Closed .................. 22

6.1.2.2 The Air Supply is Not Dry ................................................................................ 22

6.1.2.3 The Air Pressure is Too Low ............................................................................ 23

6.1.2.4 The Air Pressure is Too High ........................................................................... 23

6.1.2.5 Constant “Air Escaping” Sound ....................................................................... 23

6.1.2.6 Compressed Air Supply Runs Out Quickly ...................................................... 24

6.2 Fluid Supply Problems ............................................................................................................. 24

6.2.1 Fluid Leaks from the CV Valve Bleed Port .................................................................... 24

6.2.2 Fluid Leaks Across a “Closed” Valve ............................................................................. 25

6.2.3 Fluid Leaks Into Air Tubes ............................................................................................ 25

6.2.4 Fluid is Not Traveling Properly ..................................................................................... 25

Appendix 1: Removal & Replacement of the Cone ........................................................ 27

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Appendix 2: CV-210 & CV-310 Valve Components ......................................................... 30

Appendix 3: CV-405 & CV-505 Valve Components ......................................................... 31

Appendix 4: CV-410 & CV-510 Valve Components ......................................................... 32

Appendix 5: CV-420 & CV-520 Valve Components ......................................................... 33

Appendix 6: Commercially Available Parts ....................................................................... 34

A.6.1 Fluid Fings .......................................................................................................................... 34

A.6.2 Pilot Valves / Air Manifold ........................................................................................................ 35

A.6.3 Lubricants and Adhesives ......................................................................................................... 35

Appendix 7: O-Ring Compability Chart............................................................................ 36

Appendix 8: Quote Request / Order Form ........................................................................ 37

Index ............................................................................................................................................. 38

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6

Chapter 1

1. General Overview

The Vindum Engineering CV High Pressure Valves are available in two conguraons; either as a 2-posion,
on/o valve, or a 3-way, 4-posion valve. The CV Valves are air-actuated, constant-volume valves with a
switching me of less than .1 second. They are typically used as switching devices in high-pressure uid ow
systems. The valves are designed so that no uid is displaced when they are opened or closed. This allows
them to be useful in systems requiring constant volumes or constant pressures during the switching cycle.

All weed parts on CV Valves ulize either 316 stainless steel, which is corrosion resistant, or Hastelloy© C-

276, which is used for brine applicaons or highly corrosive uids. Our standard valves have a temperature

rang of 180°F (80°C). Valves with our high temperature opon have a temperature rang of 320°F (160°C).

1.1 Conguraon

Each CV Valve is customized to the needs of the user by ulizing the following opons:
The CV Valve can be built as either:

• 2-Way, on/o valve, which uses a single solenoid pilot valve

• 3-Way, 4 posion valve which uses 2 solenoid pilot valves. The 3-way, 4-posion valve contains two inde-

pendently operated valves that are connected with a center ng (tee).

Solenoids to control the valve are sold separately. Solenoids can be ordered singly or in manifold with up to

twelve staons.

1.2 Main O-Ring Seal Material

The following materials are available for the weed O-ring. The weed O-ring material needs to agree with
the uid used. See Appendix 7 or online sources (such as the Parker O-ring handbook) for chemical combabil­ity

• Aas

• Buna

• Teon™

• UHMW

• Viton

• Other materials on request

1.3 Pressure Rang

The CV-Valves can have a pressure rang of either 5,000; 10,000; or 20,000 psi.

1

1.4 Solenoid Pilot Valve

The solenoid pilot valves for the 85 to 115 psi air supply can be operated by either:

• 12 Vdc

• 24 Vdc

Note: The standard voltage is 12 Vdc, 24 Vdc is available on request.

1.5 Valve Temperature Rang

• Standard ambient temperature CV-Valves operate up to 180°F (80°C), and have push-in type air line

ngs.

• Oponal high temperature CV-Valves operate up to 320°F (160°C), and have compression type air line

ngs

Note: air line ngs are the only dierence between ambient and high temperature valves.

1.6 Weed Parts

There are two opons of materials for the valve’s weed parts, or the parts of the valve that will come in con­tact with the uid:

• 316 Stainless Steel for inert materials, or

• Hastelloy C-276 for corrosive materials or brine

1.7 Everything you need to operate your CV Valve

• Valve

• High Pressure Fings

• Pneumac ngs

Sold Separately

• Solenoid Pilot Valves

• 1/8” air tubing

2

1.8 Addional Informaon

1.8.1 CV Valve Models

Valve

Maximum

CV VALVE MODELS

Internal

Approximate

Model

Pressure

Rang [PSI (Bar)]

Volume (cc)

Flow

Coefficient (Cv)

2-Way On-O Valves

CV-210 10,000 (700) 0.11 .06

CV-405 5,000 (350) 0.44 .24
CV-410 10,000 (700) 0,44 .12
CV-420 20,000 (1400) 0.22 .03

3-Way 4 Posion Valves

CV-310 10,000 (700) 0.31 .06
CV-505 5,000 (350) 1.08 .24
CV-510 10,000 (700) 0.74 .12
CV-520 20,000 (1400) 0.62 .03

Table 1-1

3

1.8.2 CV Valve Sizes

Valve Size

Valve

Model

(Autoclave Engineers)

Fings

2-Way On-O Valves

CV-210 W125 - 1/8” Speedbite

SW250 - 1/4” Speedbite

CV-405

CV-410 SW250 - 1/4” Speedbite

CV-420 F250C - 1/4” High Pressure

3-Way 4 Posion Valves

Valve

Dimensions

2” diameter x 1.695”

(5.0 cm x 4.3 cm)

2.25” diameter x 1.95”
(5.7 cm x 4.9 cm)

2.25” diameter x 1.95”
(5.7 cm x 4.9 cm)

2.25” diameter x 1.95”
(5.7 cm x 4.9 cm)

CV-310 W125 - 1/8” Speedbite

CV-505 SW250 - 1/4” Speedbite

CV-510 SW250 - 1/4” Speedbite

CV-520 F250C - 1/4” High Pressure

2” diameter x 3.645”

(5.0 cm x 9.2 cm)

2.25” diameter x 4.435”
(57 cm x 11.3 cm)

2.25” diameter x 4.435”
(57 cm x 11.3 cm)

2.25” diameter x 4.435”
(57 cm x 11.3 cm)

4

Chapter 2

2. UNDERSTANDING YOUR VALVE

2.1 Principles of Operaon for the 2-Way Valve

Each CV 2-Way Valve contains two air supply tubes, A and B, which
are connected to one solenoid-operated pilot valve. Pressurized air
passes from the solenoid pilot valve through one of the air supply

tubes into the 2-Way valve’s piston assembly. Within the piston as-

sembly is a cone that serves as a “gate”, which either opens and al­lows uid to ow or closes and stops uid from owing.

• Pressurized air passing through air supply tube A moves an inter-

nal cone away from the A air supply port. Because the cone is
pointed towards the A port, this causes the valve to open and u­id to ow. This is considered the “open” posion.

CV-210 Open Valve

• Pressurized air passing through air supply tube B moves an inter-

nal cone towards the A air supply port. This causes the valve to
close and uid to stop. This is considered the “closed” posion.

• The C port is a pressure bleed port. It is designed to provide pres-

sure relief in case uid leaks out of the sleeve assembly. If uid is
leaking from the C-Port, there is a problem with your valve. See
secon 6.2.1.

CV-210 Closed Valve

High Pressure
Air

Figure 2.1

Fluid
Path

2.1.1 Possible Conguraons of the 2-Way Valve

The 2-Way CV Valve is an on/o valve. It can be congured in two ways, either normally open or normally
closed. In case of a power failure, it can be set to open or to close. See secon 3.2.1: Power Failure Opons
for informaon on valve conguraons.

2.1.2 Direcon of Flow

The uid can ow through the valve in either direcon. Figure 2.1 shows the uid coming in from the le
side.

2.2 Principles of Operaon for the 3-Way Valve

The CV 3-Way Valve contains two piston assemblies, which are connected by a center ng (tee), and four
air supply tubes. Two air supply tubes run between each piston assembly and solenoid pilot valve. Two sole­noid pilot valves are then aached to an air manifold.

5

2.2.1 Possible Conguraons of the 3-Way Valve

Because the three-way CV Valve contains the equivalent
of two 2-Way valves, it can be used as two independently
operated on-o valves, or as a single 3-way, 4-posion
switching valve. The 3-way valve can be operated in the
following four posions.

2.2.1.1 Open/Closed Posion (A1 / B2) Fig. 2.2

• Air ows into air-inlet port A1, causing the cone inside

of valve 1’s piston assembly to open.

• Air ows into air-inlet port B2 causing the cone in-

side of valve 2’s piston assembly to close.

2.2.1.2 Closed/Open Posion (B1 / A2) Fig. 2.3

• Air ows into air-inlet port B1 causing the cone in-

side of valve 1’s piston assembly to close.

• Air ows into air-inlet port A2 causing the cone in-

side of valve 2’s piston assembly to open.

2.2.1.3 Open/Open Posion (A1 / A2) Fig. 2.4

A1 C1 B1 B2 C2 A2

Valve 1 Valve 2

High pressure
air

Fluid Path

Figure 2.2 Open/Closed Valve

A1 C1 B1 B2 C2 A2

Valve 1 Valve 2

Fluid Path High pressure

air

Figure 2.3 Closed/Open Valve

A1 C1 B1 B2 C2 A2

• Air ows into air-inlet port A1 causing the cone inside

of valve 1’s piston assembly to open.

• Air ows into air-inlet port A2 causing the cone inside

of valve 2’s piston assembly to open.

2.2.1.4 Closed / Closed Posion (B1 / B2)

• Air ows into air inlet port B1 causing the cone inside

of valve 1’s piston assembly to close.

• Air ows into air inlet port B2 causing the cone inside

of valve 2’s piston assembly to close.

Valve 1 Valve 2

High pressure
air

Fluid Path

Figure 2.4 Open/Open Valve

A1 C1 B1 B2 C2 A2

Valve 1 Valve 2

High pressure
air

Fluid Path

Figure 2.5 Closed/Closed Valve

6

Chapter 3

3. Solenoid Pilot Valves and Manifolds

The CV-Series Valves are completely air actuated. Air is taken into the air inlet and distributed to the solenoid
pilot manifolds. The solenoid pilots then distribute and control the air ow to the valves.

3.1 Air Supply Requirements

Because the CV Valves are completely air-actuated, 85 to 115 PSI of ltered air must be connected to the so­lenoid pilot valves at all mes. Failure to maintain sucient air pressure at the appropriate port on the CV
Valves can result in valve malfuncon, leakage and subsequent loss of control. Following are the air supply

requirements for all CV Valves.

• The air must be clean.

• The air must be dry because moisture in the air supply will cause the solenoid pilot valves to rust and mal-

funcon.

• The air must be oil-free.

• The air must be 85 - 115 PSI (5.95 to 8.05 bar). If the air pressure is outside this range, the solenoid pilot

valves may stop working.

A standard, ltered laboratory air supply from an air compressor is adequate if it meets the above criteria.
The air compressor should be equipped with a dryer because water vapor in the air lines will cause the pilot
valves to rust and malfuncon. Tanks of compressed air should not be used as a pressurized air source.

3.1.1Air Input and Output

CV Valves are air-actuated. Incoming air must be connected at the solenoid pilot valves’ air inlet port, as
shown in Figure 3-1. The air inlet at the boom of a single solenoid (marked with a “P”) has a 1/8” quick­disconnect ng. This ng should be connected to a pressurized air source (regulated at 85 - 115 PSI) with
a 1/8” air line. Solenoids are also available in groups connected to a manifold for a common air supply, as
shown in Figure 3-2. The manifold air intake uses a 1/4” airline connected to a quick-disconnect ng.

A B

P (Air Inlet)

Figure 3-1: Solenoid Pilot Valve

Figure 3-2: Solenoids

7

The air inlet ngs on the CV Valves are plasc “quick disconnects”, the same as the outlet ngs on the
solenoid pilot valves. Connect the solenoid pilot valves to the CV Valve using 1/8” nylon or Teon™ tubing
(Teon™ tubing is used for high temperature applicaons).

NOTE: Before any of the air lines connecng the solenoid pilot valves to the CV Valves are disconnected, for
any reason, some type of numbered or color-coded tags should be placed on each air line, each solenoid pilot
valve ng, and each CV Valve ng to ensure the correct connecons are made during reassembly.

3.2 Electrical Power

The solenoid pilot valves require electrical power to re-direct air pressure from one valve port to another. If
electrical power is lost, the solenoid pilot valves posion themselves to their default; non-energized posion
and valve control is lost. When the solenoid pilot valve loses power, the “B” port of the soliniod valve be­comes pressurized and the “A” port has no pressure in it. In gure 3-3 the “B” port of the solenoid pilot valve
becomes pressured and causes the valve to close. For this reason, electrical failure should be taken into con­sideraon and the lines should be connected so that if a power failure does occur, a dangerous situaon is
not created.

3.2.1 Power Failure Opons

In case of electrical failure, the valves can be congured to either default to a closed or an open posion. To
set up a normally closed conguraon, the “B” ports of the solenoid valve and CV Valve should be connected
together, and the “A” ports should be connected together, as shown in gure 3-3. For a normally open con­guraon, the “B” port of the solenoid valve should be plugged into the “A” port of the CV Valve and vice

versa, as shown in gure 3-4.

Figure 3-3 Normally
Closed CV-210 Valve

8

Figure 3-4: Normally Open CV-210 Valve

In the case of the three way CV Valves, the Valves can be set to have both valves open or closed, or it can be
set to have one valve remain open while the other closes. Although this conguraon is not shown, set up
the valve in the normally closed conguraon, then swap the connecons on the valve you wish to be nor­mally open.

• If normally-closed operaon is desired for a CV-310 Valve, connect the solenoid pilot valves to the CV-310

Valve as shown in Figure 3-5.

• If normally-open operaon is desired for a CV-310 Valve, connect the solenoid pilot valves to the CV-310

Valve as shown in Figure 3-6.

A1

B1

B2

A1 B1

A2 B2

A2

Figure 3-5: Normally Closed CV-310 Valve

A1

A1 B1

B1

B2

A2 B2

A2

Figure 3-6: Normally Open CV-310 Valve

3.3 High Temperature CV Valves

If you are connecng a high temperature CV Valve, the following two changes should be made when in­stalling the air lines:

• The 1/8” tubing used for the air connecon between the solenoid pilot valve and the CV Valve must be

made of Teon™ instead of nylon

• The inlet air line ngs on the CV Valve will be swage-type ngs with metal ferrules. The tubing is slid

through the back side of the threaded cap. The metal ferrule is then slid onto the end of the air line, and
the threaded cap is rmly ghtened onto the ng, compressing the ferrule onto the air line.

If using CV Valves in an applicaon where they are placed in an oven, the solenoid pilot valves must be placed
outside of the oven, and the Teon™ air lines connecng them to the CV Valves should be as short as possi­ble. Placing a solenoid pilot valve in an oven will destroy it. Do not use nylon air lines in an oven.

9

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10

Chapter 4

4. CV-200 Series and CV-400 Series Valve Maintenance

The informaon contained in Chapter 4 explains how to disassemble, reassemble, and service all of the CV­series on-o valves. Chapter 5 will explain how to service the 3-way valves. The piston assemblies and sleeve
assemblies in the 3-way valves are relave to those used in the on-o valves, so most of the informaon in
his chapter also pertains to 3-way valves.

Figure 4-1 is an expanded view of the CV-210 Valve. The CV-400 Series valves are similar, except that they are
slightly larger in size. Throughout this chapter, refer to Figure 4-1 for component numerical references, which
will be shown in brackets. For example, the four 8-32 x 1/2" socket-head cap screws shown as number “1”
will be referenced as “[1]”.

4.1 Tools You Will Need

You will need the following tools in order to maintain your valves.

• 1 each - 9/64 inch Allen wrench

• 1 each - 1/2 inch adjustable wrench, or vice grip with cloth as to not damage end ng

• 2 each - 3/4 inch adjustable wrenches

• 1 each – Wooden toothpick, plasc dental pick or nylon rod approximately 1/8” in diameter and tapered

at one end (No Metal)

1 4 7 8 6 7 4 2

End Fings

5

End Cap

Assembly

Cylinder Shell

O-Ring Piston

3 Support Brack-

Socket Head Cap
Screws

Figure 4-1: Valve for CV-210, CV-405, or CV-410

4.2 Disassembling the 2-Way Valve
To disassemble the CV-200 Series or the CV-400 Series valve, refer to Figure 4-1, above, while following the

instrucons below.

1. Unplug valve from all tubing it is aached to.

11

2. Use a 9/64” Allen wrench to remove the two 8-32 x 1/2” socket head cap screws [1] securing the valve to
the Support Bracket [3].

3. Remove the remaining six 8-32 x 1/2" socket-head cap screws [2] securing both End Caps [4] in place.

4. Grasp the valve in one hand and slide a 1/2” adjustable wrench onto one of the end ngs [5]. Use the
wrench to rotate the End Fing and End Cap in a clockwise direcon while simultaneously applying force
away from the body of the valve. When there is sucient space between the End Cap and the Cylinder
Shell [6], grasp the End Cap by hand and gently separate the two parts. As the End Cap begins to sepa­rate from the Cylinder Shell, connue to pull “straight back”, with a minimum amount of “rocking back­and-forth”.

NOTE: The End Fing is permanently aached to the End Cap with “Locte® 272”.

5. Inspect the polished stem on the End Fing to make sure that it is free of scratches. If it is scratched, it

needs to be polished using 2,000 grit sandpaper. Polishing the stem is easiest if done on a lathe.

6. Repeat step 3 with the other end of the End Cap/End Fing, and set both pairs of parts aside on a clean
work surface.

7. Gently slide the Piston Assembly [8] out of the Cylinder Shell [6], and set the Cylinder Shell aside.

Note: you can remove the Piston Assembly from the Cylinder Shell easily without removing both end caps

by removing one end cap and acvang the pressurized air to the air ng opposite of the open end cap.
Use as low of pressure air you can to remove the assembly, and make sure to catch the Piston Assembly
as it pops out of the Cylinder Shell.

Figure 4-2: Piston Assembly

12

4.3 Disassembling the Piston Assembly

Refer to Figure 4-2, above, for the following instrucons.

1. Slide two 3/4” adjustable wrenches over the ats on the outside of both the Piston halves [11] and [13].

2. Turn either one of the Piston halves counter-clockwise, while holding the other Piston staonary with the
wrench. Aer the two halves “break free”, connue to gently unscrew them by hand and set both pieces
aside on a clean surface with their threaded sides “up”.

3. Remove the Sleeve Assembly [12] from the Le Piston by hand.

4.4 Disassembling the Sleeve Assembly

Refer to Figures 4-3, 4-4, or 4-5 to Disassemble the Sleeve Assembly for your CV Valve.

The Figures 4-3, 4-4, 4-5 use false colors for illustrave purposes. Teon back-up rings are white, PEEK back­up rings are tan, and the O-ring color is material dependent.

14 15 16 15 14 17 18 19 14 15 16 15 14

PEEK back-up

ring

Main O-Ring

Seal

Sleeve Cone

Spacer

Teon™ back-up

Figure 4-3: Sleeve and Cone Assembly for CV-210 and CV-310

20 21 22 21 20 23 24 25 20 21 22 21 20

Ring

PEEK back-up

ring

Teon™ back-

up ring

Figure 4-4: Sleeve and Cone Assembly for CV-405, CV-410, CV-505, and CV-510 Valves

Sleeve

Cone Spacer

Main O-Ring

Seal

13

26 27 30 26 27 28

PEEK Back­up ring

Main O-ring Seal

28 27 26 26 27 27 26

29

Sleeve

Figure 4-5: Sleeve and Cone Assembly for CV-420 and CV-520 Valves

Seat

Teon™ Back

-up Ring

1. Grasp the Sleeve Assembly and, using a toothpick or other appropriate tool; GENTLY slide it into the in­side of one of the PEEK (tan) Back-Up Rings [14] on either side of the Sleeve Assembly. Only slide the End
Fing (or tool) in far enough to capture the PEEK Back-Up Ring, but not the Teon™ (white) Back-up Ring
[15] or the O-ring [16].

2. Remove the PEEK Back-Up Ring.

3. The objecve of this step is to remove the rings one at a me without damaging the inside surface of the
Sleeve. Repeat steps 1 and 2 for all remaining back-up and O-rings in the Sleeve Assembly, removing
them one at a me, for both ends of the sleeve.

Note: The sleeve assembly is slightly dierent for each CV-Valve Model. The gures below show details for
the CV-210 / CV-310 Valves, (Figure 4-3), the CV-405 / CV-410 / CV-505 and CV-510 Valves, (Figure 4-4) and
the CV-420 / CV-520 Valves, (Figure 4-5).

4.5 Inspecng the Sleeve and Cone

Now that the outside ring, O-rings, and the back-up rings are removed, wipe everything dry with a clean lint­free cloth.

Look inside of the sleeve. Check to make sure the area inside of the sleeve where the O-ring sits is clean and
scratch-free. If there is a build-up, or anything is stuck on the sleeve barrel, remove it. You may use a solvent
and rag to clean the sleeve assembly. DO NOT use steel wool. If you see any scratches inside of the sleeve
where the O-ring sits, a new O-ring may leak. Contact Vindum Engineering to purchase a replacement sleeve.

Next inspect the cone [18, 24], which is inside of the sleeve. Check to make sure the cone has no scratches,

nicks, cracks, or broken-o areas. Make sure the cone does not appear o-center or have an asymmetrical

wear paern. Proceed only if the cone appears in good condion. If the cone displays any of the above prob­lems, refer to Appendix 1 for informaon on replacing it. Replacement cones are available from Vindum Engi­neering.

For CV-420 and CV-520 valves, the enre sleeve must be replaced if there is damage to the seat. To with­stand the high pressures these valves are capable of, the valve seat is permanently embedded in the sleeve.

4.6 Reassembling the Sleeve Assembly

To reassemble the Sleeve Assembly, follow the instrucons below.

14

1. Carefully slide the two PEEK (tan) Back-up Rings [14, 20 or 26] into both sides of the Sleeve, on top of the

spacer [19 or 25] and one into the other side of the Sleeve. Press these Back-up Rings all the way down so

that they are seated at.

2. Next, carefully slide the two Teon™ (white) Back-up Rings [15, 21 or
27] into both sides of the Sleeve on top of the PEEK Back-up Rings.
Again, press these Back-up Rings all the way down so that they are
seated at.

3. Gently insert the Main O-ring [16, 22, or 28] into each end of the
Sleeve. Prevent the O-rings from rolling or binding. When fully

11

pressed in, the Main O-ring should be resng at against the Teon™
Back-up Ring.

Figure 4-6: assembling the Piston

Assembly

4. Carefully slide a second Teon™ Back-up Ring into each side of the
Sleeve on top of the Main O-rings. Press the Teon™ Back-up Ring all the way down unl it is seated at
against the Main O-ring.

5. Slide a second PEEK Back-up Ring into each side of the Sleeve. Make sure it is seated at and does not
protrude outside the outer edge of the sleeve.

4.7 Reassembling the Piston Assembly

Refer to Figure 4-2 to reassemble the Piston Assembly, following the instrucons below.

1. The larger half of the Piston Assembly, the Le Piston [11] has male threads. Slide the Sleeve Assembly
[12] into this part with the point of the Cone facing out.

2. Gently screw the Right Piston into the Le Piston. When the two halves become “snug” use two 3/4” ad-
justable wrenches to ghten them. Keep in mind which way the cone is facing.

3. As shown in Figure 4-2, each Piston half has two O-rings; one larger, external O-ring [10] and one smaller,
internal O-ring [9]. To remove any of these, use a tool such as a small wooden skewer or nylon rod, ap­proximately 1/8” in diameter and tapered at one end. Use care not to scratch or leave parcles in the O­ring grooves.

4. Use the tapered end of the tool to gently remove any O-rings. For the larger, external O-rings, gently re-

place them but do not “roll” them into their respecve grooves. When they are in place, they should not
be twisted.

4.8 Reassembling the 2-Way Valve

To re-assemble the Valve, follow the instrucon below.

1. Replace the O-rings [7] on the End Caps [4], aer verifying that there are no foreign parcles of wood, or
any other materials, on any O-rings and that all O-rings are not twisted.

15

2. Apply a small amount of high quality grease (not oil) to the external O-rings [10] and the smaller internal
O-rings [9]. Vindum Engineering uses Dow Corning 55 (M)® for ambient and high temperature valves

Vindum recommends Dupont® Krytox® for extra high temperature valves.

3. Gently slide the Piston Assembly into the Cylinder Shell. Place the piston so the “cone point” is facing
towards the “A” port of the cylinder shell.

4. The End Fings [5] and Main O-rings [16, 22 or 28] must be lubricated on the surfaces that will slide into
the Piston. Apply a drop of lightweight oil on these surfaces on each End Fing and spread the oil com­pletely around them. This oil should be compable with the uids with which this valve will be used.

5. Using a gentle rotang moon, slide both End Caps completely into both sides of the Cylinder Shell.

6. Use the 9/64” Allen wrench to replace the four 8-32 x 1/2" socket-head cap screws on the side of the Cyl-

inder Shell to which the cone is poinng. Tighten all four screws in a cross paern snugly.

7. Use the Allen wrench to replace the two 8-32 x 1/2” screws securing the valve to the Support Bracket,
and the other two 8-32 x 1/2" screws into the end Cap on the bracket side.

Note: The bracket is generally placed on the side of the valve containing the “B” port, with the valve cone

facing away from the bracket. However, depending on user preference, and changes during maintenance,
the bracket may be on the side of the valve containing the “A” port. To avoid confusion, we recommend
always placing the piston assembly into the cylinder shell such that the cone is always facing the “A” port.

16

Chapter 5

5. CV-300 Series and CV-500 Series Valve Maintenance

The informaon contained in Chapter 5 explains how to disassemble, reassemble and service all of the CV
Series 3-way valves.

5.1 Dierences Between the CV 2-Way and 3-Way Valves

The 3-way CV Valve contains all of the same sub-assemblies as the 2-way CV Valve. The 3-way valve is basi­cally two 2-way valves connected in the middle with a Center Fing [40]. As shown in Figure 5-1, the Center
Fing is a symmetrical part with a “nipple-like” appendage on each side which ts into each of the Piston
Assemblies. The Center Fing also has an O-ring [39] on each side to provide a seal with the two Cylinder

Shells. Instead of the Cylinder Shell being threaded on both sides to secure the End Caps, as with the 2-way

valve, one Cylinder Shell is bored and one is threaded so that longer (2-1/2”) socket-head cap screws can be
used to connect the two halves of the valve.

41

41

Piston

5.2 Disassembling the 3-Way Valve

1. Use a 9/64” Allen wrench to remove all of the 8-32 Socket Head Cap Screws [31,32] from both ends of the
valve. Separate the two “valve halves” by grasping the two Cylinder Shells by hand and gently twisng
them in opposite direcons while pulling them apart.

2. When the two valve halves have been separated, pull the Center Fing [40] free of the Cylinder Shell
[37,38] it is sll aached to, and set it aside.

3. Each half of the valve may now be disassembled as if it were a separate 2-way valve.

4. Grasp either of the halves of the 3-way valve in one hand and slide a 1/2" adjustable wrench onto one of
the End ngs [35]. Use the wrench to rotate the End Fing and End Cap [36] in a clockwise direcon
while simultaneously applying force away from the body of the valve. When there is sucient space be­tween the End Cap and the Cylinder shell [37] [38], grasp the End Cap by hand and gently separate the
two parts. As the End Cap begins to separate from the Cylinder Shell, connue to pull “straight back”,

Figure 5-1: 3-Way Valve

17

with a minimal amount of “rocking back-and-forth”.

NOTE: The End Fing is permanently aached to the End Cap with “Locte® 272”.

5. Repeat step 4 with the other End Cap / End Fing, and set both pairs of parts aside on a clean work sur-
face.

6. Gently slide the Piston Assemblies out of the Cylinder shells and set the Cylinder Shells aside.

5.3 Disassembling the Piston Assembly

Refer to Chapter 4, Secon 4.3 Disassembling the Piston Assembly for instrucons (page 14).

5.4 Disassembling the Sleeve Assembly

Refer to Chapter 4, Secon 4.4 Disassembling the Sleeve Assembly for instrucons (page 15).

5.5 Reassembling the Sleeve Assembly

Refer to Chapter 4, Secon 4.6 Reassembling the Sleeve Assembly for instrucons (page 17).

5.6 Reassembling the Piston Assembly

Refer to Chapter 4, Secon 4.7 Reassembling the Piston Assembly for instrucons (page 17).

5.7 Reassembling the 3-Way Valve

To reassemble the valve, follow the instrucons below.

1. Verify that there are no foreign parcles of wood, or any other materials, on any O-rings. Make sure that
all O-rings are not twisted.

2. Replace the O-rings [39] on both End Caps [36].

3. Gently slide the Piston Assembly into the Cylinder shell. Place a small piece of adhesive tape on the out-

side of the Cylinder Shell and draw an arrow on the tape poinng in the direcon of the “cone point”.

4. On the 3-way valve, lubricate the stems on both sides of the Center Fing [40]. The stems will slide into
the two Piston Assemblies.

5. Lubricate the narrow stems of each End Fing [35].

6. Lubricate the O-rings [39] on both sides of the Center Fing being careful to keep lubricaon o other
parts of the Center Fings.

7. Lubricate the other two O-rings.

18

8. Making sure that the “cone points” are each facing AWAY FROM THE CENTER FITTING, gently slide each
of the Cylinder Shell / Piston Assemblies on to the Center Fing.

9. Using a gentle rotang moon, gently slide both End Caps completely into both ends of the Cylinder
Shells.

10. Use the 3/4" adjustable wrench to rotate each of the End Caps unl their four clearance holes are aligned
with those on the Cylinder Shells. Look through the clearance holes on each End Cap to see which End
Cap is on the bored Cylinder Shell and carefully insert the 8-32 x 2-1/2” socket head cap screws [32]
through the End Cap and the bored Cylinder Shell, just unl the screws contact the Center Fing.

11. Hold the Shell staonary, and gently rotate the Center Fing unl the screws can be passed through it.

12. Hold the bored Cylinder Shell and the Center Fing staonary, and gently rotate the threaded Cylinder
Shell unl the screws can be easily threaded into it.

13. Make sure that the Fluid Port on the Center Fing, and the Air Fings on the Cylinder Shells, are

oriented in the correct direcon relave to each other.

14. Use the 9/64” Allen wrench to ghten all four screws in a cross paern snugly.

15. On the other End Cap, thread two 8-32 x 5/8” screws [31] through the Support Bracket [33] and into the

Cylinder Shell [37]. Make sure that the Fluid Inlet Port on the valve is facing the desired direcon.

16. Use the Allen wrench to replace the remainder of the 8-32” socket-head cap screws. Tighten all screws
snugly.

19

This page is intenonally blank.

20

Chapter 6

6. Maintenance & Troubleshoong

This chapter will help the user solve problems that might be encountered when operang the CV Valve. The
following secons are included:

• Air Supply Problems, Secon 6.1

• Fluid Supply Problems, Secon 6.2

• Valve Does Not Seal, Secon 6.3

6.1 Air Supply Problems

CV Valves are air actuated. Filtered air (85 to 115 PSI) must be connected to the solenoid pilot valves at all
mes. When encountering air supply problems, the rst thing to do is complete the following two checks:

• Solenoid Pilot Valve Visual Check, Secon 6.1.1

• Solenoid Pilot Valve Audio Check, Secon 6.1.2

Solenoid Pilot Valves are electrically operated to control air ow. They are used to open or close the uid in­lets inside of CV Valves. The solenoid pilot manifold takes in air from the user’s air supply and distributes that
air to the solenoid pilot valves. There is one solenoid pilot valve for each On/O Valve and two solenoid pilot
valves for each 3-Way Valve.

When encountering air supply problems, the user should perform both the Solenoid Pilot Valve Visual Check
and the Solenoid Pilot Valve Audio Check.

6.1.1 Solenoid Pilot Valve Visual Check

The Solenoid Pilot Valve Visual Check conrms that the solenoid pilot valves are operang properly. Some
solenoid pilot valves are equipped with a small red indicator light. When a valve is energized, the correspond­ing solenoid pilot valve indicator light turns ON and when a valve is de-energized, the corresponding solenoid
pilot valve indicator light turns OFF. If the solenoid pilot valves on your CV Valve are equipped with indicator
lights, perform the Solenoid Pilot Valve Visual Check on the ll and deliver side of each CV Valve in your sys­tem.

1. Open and close each CV Valve, using either a computer or manual means, depending on the type of in-
stallaon the valve uses.

2. As each CV Valve is opened, conrm the corresponding solenoid pilot light comes on.

3. As each CV Valve is closed, conrm the corresponding solenoid pilot light turns o.

6.1.1.1 If the Light Goes On and O for a Dierent Solenoid Pilot Valve

If the light acvates for a dierent solenoid pilot valve than the one you are controlling on the computer, the
solenoid pilot cables are switched and must be re-connected properly.

21

6.1.1.2 If No Light Goes On or O

If no light goes on or o while conducng the solenoid pilot visual check, do the following:

• Check that the proper voltage and the proper polarity is connected to the solenoid pilot valve(s)

6.1.2 Solenoid Pilot Valve Audio Check

Listen for an “air escaping” sound when the solenoid pilot valve opens and closes. The sound should be easy
to hear. It will not be a clicking sound. The clicking sound you may hear is simply the solenoid pilot valve
opening or closing. The “air escaping” sound is the same as when you open a can or bole that is under pres­sure and you hear an immediate gust of air. It is important that you hear this sound when the solenoid pilot
valve opens and closes.

If you do not hear the “air escaping” sound when each valve is opened and closed, then there is not adequate
air pressure to operate the valves. Go back and check that your air tubing has been connected properly and
that it is securely aached. If your air supply has a switch to turn it on, make sure the switch is turned on.

Perform the Solenoid Pilot Valve Visual Check and Solenoid Pilot Valve Audio Check on all the solenoid pilot
valves in your system.

If, aer compleng the Solenoid Pilot Valve Visual Check and Solenoid Pilot Valve Audio Check, there is sll
an air supply problem, the following secons may help you in correcng the problem.

• No “Air Escaping” Sound When Valves are Opened and Closed, Secon 7.1.2

• Constant “Air Escaping” Sound, Secon 7.1.3

6.1.2.1 No “Air Escaping” Sound When CV Valves Are Opened & Closed

If you do not hear the “air escaping” sound when each valve is opened and closed, then there is not adequate
air pressure to operate the valves.

• Check if there are any kinks in the air tubing which runs between the solenoid pilot valves and the CV

Valves.

• Check your air tubing has been connected properly and is securely aached.

• If your air supply has a switch to turn it on, make sure the switch is turned on.

• Make sure the pressurized air supply is a minimum of 85 PSI (5.7 bar).

6.1.2.2 The Air Supply is Not Dry

The air supplied to the CV Valve must be clean and dry. If the air supply is not dry, the solenoid pilot valves
may have rusted and stopped switching, which would result in no “air escaping” sound when opening and
closing the valves. To check this, do the following.

1. Turn o your air supply.

2. Unplug your air line.

22

3. `Check if there is any uid in the line.

4. If the solenoid pilot valves have rusted and no longer operate, they need to be replaced.

6.1.2.3 The Air Pressure is Too Low

Another cause of no “air escaping” sound when opening and closing a valve is the air pressure is too low to
operate the valves. Use a pressure gauge to determine the actual air pressure.

If the air pressure is too low:

• Check that your air tubing has been connected properly.

• If your air supply has a switch to turn it on, make sure the switch is turned on.

6.1.2.4 The Air Pressure is Too High

CV Valves need an air supply between 85 and 115 PSI (5.7 to 7.7 bar) to operate. If the air pressure is too high
(more than 115 PSI (7.7 bar)), install an air regulator to limit the air pressure.

6.1.2.5 Constant “Air Escaping” Sound

If you hear a constant “air escaping” sound when the valves are not being operated, then there is an air leak.
Check the following areas to determine the cause of the air leak.

• Verify that the plasc washers on all air ngs are present and not damaged.

• Check each air tube to see if it is cracked or damaged. Replace any cracked or damaged air tube.

• Verify that all air tubes are fully inserted into the quick-disconnect or compression ngs. All air tubing

should be able to withstand a “slight” tug when properly inserted and the ngs have been ghtened.

• Verify that all compression ngs are fully ghtened.

• Try using a soap and water soluon to detect small leaks.

• If air is escaping from the CV Valve Bleed Port, air is bypassing either the Piston External O-ring [10] or the

Piston Internal O-ring [9].

1. Inspect the Piston External O-rings and the Piston Internal O-rings. Make sure they are not

damaged and are free of contaminants.

2. Verify that the Piston External O-rings and Piston Internal O-rings are properly inserted. They

should be smooth, free of nicks and not twisted.

3. If any problems exist, replace and re-grease the O-rings.

23

• If you suspect air is escaping from the solenoid pilot valves, try the following.

1. Somemes a solenoid pilot valve will get stuck part way open or part way closed and allow air

passage. Try opening and closing the valve to get the soliniod unstuck and moved to a fully
open or fully closed posion. Opening and closing a solenoid pilot valve a few mes may free
up a stuck solenoid pilot. If this does not work, the solenoid pilot valve may have to be re
placed so it does not constantly leak air.

2. Verify that all solenoid pilot valves are securely screwed down to their manifold.

3. Verify that the gasket between the solenoid pilot valve and the air manifold is not damaged or
cracked. If the gasket is cracked, contact Vindum Engineering for a replacement.

4. If air connues to escape from the area between the solenoid pilot valve and the manifold,

apply a light coat of silicone based compound (Dow –Corning Compound 111 Valve Lubricant
and Sealant, or equivalent) to the gasket between the solenoid pilot valve and the air mani
fold.

6.1.2.6 Compressed Air Supply Runs Out Quickly

Tanks of compressed air are not recommended as a pressurized air source. Only a connuous air supply
should be used as the air source and air compressors need to be equipped with a dryer.

6.2 Fluid Supply Problems

If the valve leaks, either of the following can occur:

• It can leak to the outside, in which case the uid will come out the bleed port located between the air in-

lets.

• The cone will let uid pass by it.

• Fluid can leak from one of the high-pressure ngs.

6.2.1 Fluid Leaks from the CV Valve Bleed Port

If uid is coming out the Bleed Port, uid is going by one of the main O-ring seals. To determine where the

problem is, follow the steps below.

• On the Piston Assembly, inspect the piston internal O-ring. Make sure it is not damaged and is free of

wear. If there are any signs of damage or wear, replace the O-ring. Also, make sure the piston internal O­ring is free of contaminants. If contaminants are present, replace the O-ring.

• Inspect the smooth stem of the end ng for scratches. If a scratch is present the O-ring will not be able

to properly seal, therefore the end ng would need to be replaced or polished with 2000 grit polishing
paper.

• Check the inside surface of the sleeve. (The sleeve is part of the Sleeve Assembly, which is located inside

24

of the Piston Assembly.) Make sure there are no scratches on the inside surface of the sleeve. If scratches
are present, the sleeve must be replaced.

• For the 3-way valves, also check the Center Fing. Make sure there are no scratches on the stems of the

Center Fing. If scratches are present, the center ng should be replaced or the stems should be pol­ished with 2000 grit polishing paper.

6.2.2 Fluid Leaks Across a “Closed” Valve

If the uid is passing through the valve, or it does not hold pressure when it should be closed, this indicates
that uid is leaking by the closing cone.

• Verify the pressurized air source is 85 to 115 PSI.

• Inspect the Sleeve Assembly cone for signs of damage or wear at the sealing point. Replace if damage or

wear is visible.

• Inspect the Sleeve Assembly for contaminants blocking the cone. If contaminants are present, remove the

contaminants making sure that they have not le an indent in the cone, End Fing, or the conical seat in
the End Fing.

6.2.3 Fluid Leaks into Air Tubes

The most likely cause of uid leaking from the air tubes is water vapor is present in the pressurized air
source.

• Verify that the air compressor is equipped with a dryer and that the dryer is funconing properly.

NOTE: If the air compressor being used is not equipped with a dryer, or if the dryer is not working properly,
water vapor will eventually travel to the pilot valves. This will cause the pilot valves to rust and not work
properly.

6.2.4 Fluid is Not Traveling Properly

If the uid is not following the expected path at the expected me, do the following:

• The solenoid pilot valve air tubes are not connected properly. Manually trace each air tube to its desna-

on to determine which tubes go to which valve. Check to see if the tubes are connected in the proper
conguraon for your setup. See Chapter 3 for the correct tubing conguraons.

25

This Page Intenonally Le Blank

26

APPENDIX 1

Removal and Replacement of the Cone in the Sleeve Assembly

In the CV-200 and CV-300 Series of valves, the Cone [18] and Spacer [19] are “press-t” into the Sleeve As­sembly. In the CV-405, 410, 505, and 510 series of valves, the cone must be removed with a specialized tool,
available from Vindum Engineering In the CV-420 and CV-520 series of valves, however, the Cone cannot be
pressed out, and if the valve seat is damaged the sleeve assembly must be replaced.

Removing and replacing the cone from the sleeve assembly requires a specialized tool, available from Vin-

dum Engineering

Hardwood rod

Cone
Spacer

Metal Support Plate

Figure A.1.1 Removing the Cone and Spacer from the Sleeve Assembly

Removing the Cone and Spacer in the CV-200 and CV-300 Series of Valves

1. To remove the “press-ed” Cone and Spacer (gure A.1.1), place the Sleeve Assembly on a metal sup­port plate at least 1-inch thick on an arbor press. The “point” of the Cone should be poinng down. The
support plate must have an opening in it so that the Sleeve is supported, but its inside diameter is unob­structed so the Cone and Spacer can be pushed completely through and out of the Sleeve.

2. Use a thin rod of hardwood or plasc with an outside diameter of 3/16” to press from the backside of the

27

Cone as shown below. Use the arbor press and the thin rod to push the Cone and Spacer out of the
Sleeve.

Cone Install Tool

Cone

Sleeve

Figure A.1.2 Reinstalling the Cone and Spacer in the Sleeve Assembly

Reinstalling the Cone and Spacer in the CV-200 and CV-300 Series of Valves

Looking at the inside diameter of the Sleeve [20] from both sides, noce that on one side the inside shoul­der is “farther down” or deeper than it is when looking from the other side. Place the sleeve on a at sur­face with this “deeper” side up.

Using an arbor press and the cone install tool shown in Figure A.1.2, above, one at a me carefully press

the Cone [18] and the Spacer [19] into the Sleeve. Be sure that the “point” of the Cone is facing “up” to­wards the outside of the Sleeve, as shown, as the Cone and Spacer are both pressed in all the way to the
shoulder.

28

Removing the Cone and Spacer from the CV-405,410,505, and 510 Series of Valves

Using a toothpick or other non-metal tool used to remove the back-up rings and O-rings from the sleeve,
gently pull the spacer out of the sleeve. Unlike the CV-210 and CV-310 valves, the spacer is not press ed
into the sleeve, and should remove easily. Then line up the prongs on the cone removal tool (gure A.1.3)
with the cone removal holes on the cone (shown in green in Figure A.1.4 and A.1.5) do not place the cone
removal tool in the uid ow holes (shown in blue in Figures A.1.4 and A.1.5). Unscrew the cone from the
sleeve and remove it (Figure A.1.6).

Figure A.1.4

Figure A.1.3

Figure A.1.6

Figure A.1.5

Replacing the Cone and Spacer for the CV-405, 410, 505, and 510 Series of Valves

Place the cone into the deeper side of the sleeve with the threads facing into the sleeve. Place the cone re-

moval tool’s prongs into the cone removal holes (shown in green in gures A.1.4 and A.1.5.) and reghten

the cone unl hand-ght. Do not overghten, as you might strip the threads on the cone.

29

APPENDIX 2

CV-210 and CV-310 Valve Components

Valve Assembly - Refer to Figure 4-1 on page 11 or ( Figure 5-1) on page 17.

Figure

Number

1 & (31)

2 & (32)

(34) Socket Head Cap Screw NA 4 8-32 x 2-1/2-SHSS

3 &(33) Support Bracket 1 410090 1 440060

4 & (36) End Cap 2 440070 2 440070

5 & (35) End Fings 2 440040* 2 440040*

6 & (37) Cylinder Shell 1 440100-TH 1 440100-TH

(38) Cylinder Shell NA 1 440100-BO

7 & (39) O-Ring 2 2-028 4 2-028

8 & (41) Piston Assembly 1 460190* 2 460190*

(40) Center Fing NA 1 440050*

Descripon

Socket Head Cap Screw 8 8-32 x 1/2-SHSS 4 8-32 x 1/2-SHSS

Quanty / Part Number

CV-210 VALVE

CV-310 VALVE

Quanty / Part Number

Piston Assembly - Refer to Figure 4-2 on page 12.

Figure

Number

9 O-Ring (Internal) 2 2-014 4 2-014

Descripon

CV-210 VALVE CV-310 VALVE

10 O-Ring 2 2-125 4 2-125

11 Piston (Male) 1 440110 2 440110

12 Sleeve Assembly 1 460180* 2 460180*

13 Piston (Female) 1 440120 2 440120

Sleeve and Cone Assembly - Refer to Figure 4-3 on page 13.

Figure

Number

14 PEEK Back-up Ring 4 410301 8 410301

15 Teon™ Back-up Ring 4 410302 8 410302

16 Main O-ring Seal 2 2-008** 4 2-008**

17 Sleeve 1 440010* 2 440010*

18 Cone 1 410030 2 410030

19 Spacer 1 410100 2 410100

*Available in Stainless Steel and Hastelloy.

** Weed O-ring, Item #16, available in several dierent materials.

Descripon

Quanty / Part Number

CV-210 VALVE

Quanty / Part Number

CV-310 VALVE

NOTE: O-rings are Viton unless otherwise specied.

30

APPENDIX 3

CV-405 and CV-505 Valve Components

Valve Assy - Refer to Figure 4-1 on page 11 or (Figure 5-1) on page 17.

Figure

Number

1 & (31)

2 & (32)

(34) Socket Head Cap Screw NA 4 8-32 x 3-SHSS

3 & (33) Support Bracket 1 480060 1 480060

4 & (36) End Cap 2 480070 2 480070

5 & (35) End Fings 2 480046 2 480046*

6 & (37) Cylinder Shell 1 480100-TH 1 480100-TH

(38) Cylinder Shell NA 1 480100-BO

7 & (39) O-Ring 2 2-030 4 2-030

8 & (41) Piston Assembly 1 460190* 2 460190*

(40) Center Fing NA 1 480055*

Descripon

Socket Head Cap Screw 8 8-32 x 1/2-SHSS 4 8-32 x 1/2-SHSS

CV-405 VALVE

Quanty / Part Number

CV-505 VALVE

Quanty / Part Number

Piston Assembly - Refer to Figure 4-2 on page 12.

Figure

Number

9 O-Ring (Internal) 2 2-014 4 2-014

Descripon

CV-405 VALVE

Quanty / Part Number

CV-505 VALVE

Quanty / Part Number

10 O-Ring 2 2-129 4 2-129

11 Piston (Male) 1 480110 2 480110

12 Sleeve Assembly 1 480185* 2 480185*

13 Piston (Female) 1 480120 2 480120

Sleeve and Cone Assembly - Refer to Figure 4-4 on page 13.

Figure

Number

20 PEEK Back-up Ring 4 480020 8 480020
21 Teon™ Back-up Ring 4 480025 8 480025

22** Main O-ring Seal 2 2-010** 4 2-010**

23* Sleeve 1 480010* 2 480010*

24 Cone 1 480030 2 480030
25 Spacer 1 480105 1 480105

*Available in Stainless Steel and Hastelloy.

** Weed O-ring, Item #22, available in several dierent materials.

NOTE: O-rings are Viton unless otherwise specied

Descripon

CV-405 VALVE

Quanty / Part Number

CV-505 VALVE

Quanty / Part Number

31

APPENDIX 4

CV-410 and CV-510 Valve Components

Valve Assy - Refer to Figure 4-1 on page 11 or (Figure 5-1) on page 17.

Figure

Number

1 & (31)

2 & (32)

(34) Socket Head Cap Screw NA 4 8-32 x 3-SHSS

3 & (33) Support Bracket 1 480060 1 480060

4 & (36) End Cap 2 480070 2 480070

5 & (35) End Fings 2 480045* 2 480045*

6 & (37) Cylinder Shell 1 480100-TH 1 480100-TH

(38) Cylinder Shell NA 1 480100-BO

7 & (39) O-Ring 2 2-030 4 2-030

8* & (41)* Piston Assembly 1 480195* 2 480195*

(40) Center Fing NA 1 480055*

Descripon

Socket Head Cap Screw 8 8-32 x 1/2-SHSS 4 / 8-32 x 1/2-SHSS

CV-410 VALVE

Quanty / Part Number

CV-510 VALVE

Quanty / Part Number

Piston Assembly - Refer to Figure 4-2 on page 12.

Figure

Number

9 O-Ring (Internal) 2 2-014 4 2-014

Descripon

CV-410 VALVE

Quanty / Part Number

CV-510 VALVE

Quanty / Part Number

10 O-Ring 2 2-129 4 2-129

11 Piston (Male) 1 480110 2 480110

12* Sleeve Assembly 1 480185* 2 480185*

13 Piston (Female) 1 480120 2 480120

Sleeve and Cone Assembly - Refer to Figure 4-4 on page 13.

Figure

Number

20 PEEK Back-up Ring 4 480020 8 480020

21 Teon™ Back-up Ring 4 480025 8 480025

22** Main O-ring Seal 2 2-010** 4 2-010**

23* Sleeve 1 480010* 2 480010*

24 Cone 1 480030 2 480030

25 Spacer 1 480105 2 480105

*Available in Stainless Steel and Hastelloy.

** Weed O-ring, Item #22, available in several dierent materials.

Descripon

CV-410 VALVE

Quanty / Part Number

CV-510 VALVE

Quanty / Part Number

NOTE: O-rings are Viton unless otherwise specied.

32

APPENDIX 5

CV-420 and CV-520 Valve Components

Valve Assembly - Refer to Figure 4-1 on page 11 or (Figure 5-1) on page 17.

Figure

Number

1 & (31)

2 & (32)

(34) Socket Head Cap Screw NA 4 8-32 x 3-SHSS

3 & (33) Support Bracket 1 480060 1 480060

4 & (36) End Cap 2 480070 2 480070

5 & (35) End Fings 2 480130* 2 480130*

6 & (37) Cylinder Shell 1 480100-TH 1 480100-TH

(38) Cylinder Shell NA 1 480100-BO

7 & (39) O-Ring 2 2-030 4 2-030

8* & (41*) Piston Assembly 1 480200* 2 480200*

(40) Center Fing NA 1 480050*

Descripon

Socket Head Cap Screw 8 8-32 x 1/2-SHSS 4 8-32 x 1/2-SHSS

CV-420 VALVE

Quanty / Part Number

CV-520 VALVE

Quanty / Part Number

Piston Assembly - Refer to Figure 4-2 on page 12.

Figure

Number

9 O-Ring (Internal) 2 2-014 4 2-014

Descripon

CV-420 VALVE CV-520 VALVE

10 O-Ring 2 2-129 4 2-129

11 Piston (Male) 1 480110 2 480110

12 Sleeve Assembly 1 480186* 2 480186*

13 Piston (Female) 1 480120 2 480120

Sleeve and Cone Assembly - Refer to Figure 4-5 on page 15.

Figure

Number

26 PEEK Back-up Ring 4 480020 8 480020

27 Teon™ Back-up Ring 4 480025 8 480025

28** Main O-ring Seal 2 2-010** 4 2-010**

29* Sleeve 1 480011* 2 480011*

30 Seat 1 480140 2 480140

*Available in Stainless Steel and Hastelloy.

** Weed O-ring, Item #28, available in several dierent materials.

NOTE: O-rings are Viton unless otherwise specied.

Descripon

CV-420 VALVE

Quanty / Part Number

CV-520 VALVE

Quanty / Part Number

33

APPENDIX 6

Commercially Available Parts

A.6.1 Fluid Fings

Descripon Manufacturer Part Number Notes

Fing Sleeve*
CV210 / CV-310

Fing Sleeve*

CV-405, CV-410

CV-505, CV-310
Collar

CV-420, CV-520
Fing Nut

CV-210, CV-310
Fing Nut

CV-405, CV-410

CV-505, CV-510
Fing Nut

CV-420, CV-520
1/8 inch Tubing Vindum .125” OD x .035” wall SS-316

1/4 inch Tubing

Autoclave SSL20 XX XX is material type:

SS for Stainless 316

HC for Hastelloy C-276

Autoclave SSL40 XX XX is material type:

SS for Stainless 316

HC for Hastelloy C-276

Autoclave ACL-40-316

Autoclave SMN20

Autoclave SMN40

Autoclave AGL-40-316

Hastelloy C-276

Vindum

SS-316

(5 – 10 kpsi)

1/4 inch Tubing

(20 kpsi)

* The weed material for the valves is listed on the warranty card.

Vindum

.250” OD x .065” wall

.250” OD x .083” wall

Hastelloy C-276

SS-316

Hastelloy C-276

34

A.6.2 Pilot Valves / Air Manifold

Descripon Manufacturer Part Number Notes

Pilot Valve SMC SYJ5120-XL0Z-M5

Air Manifold SMC SYJ5-20-XX-00T

Wire and Electrical Con-

nector for Pilot Valve

1/8” Quick-Disconnect Air

Fing for CV Valve and

Pilot Valve

1/8” Swage-type Air Fing

for High Temperature CV

Valve

¼” Quick Disconnect Air

Fing For Air Manifold

Inlet

Air Manifold Plug Dynamco 506-5 or similar The manifold port accepts 1/8’ NPT.

SMC SY100-30-4A-XX X is length of wire in decimeters. (e.g., X

SMC KQ2H 01-32A or similar

Beswick MCB-1018-1 Viton or similar

SMC KQH 07-34S or similar

X is 6 for 12 volt, 5 for 24 volt.

Verify that number on side of pilot
valve is SYJ5120 and voltage is correct.

XX is number of staons, 2 to 20. This
manifold accepts SYJ5120 pilot valves.
Verify pilot valve is SYJ5120 before pur-

is nil for 300 mm (12”), 6 for 600 mm
(24”), 30 for 3 m (120”). This connector
ts in SYJ5120 pilot valves. Verify pilot
valve is SJY5120 before purchasing con­nector.

The manifold port accepts 1/8” NPT.

11/8” Nylon Air Tubing for

Ambient Temperature

Valves

1/8” Teon™ Air Tubing for

High Temperature Valves

¼” Nylon Air Tubing for Air SMC TISA 07B-20 or similar

SMC TIA01B or similar

Any Supplier 1/8” Teon™ Air Tubing 125

PSI

A.6.3 Lubricants And Adhesives

Descripon Manufacturer Part Number Notes

Grease for Air Seal O-Rings
on Piston for Ambient Tem­perature Valves
Grease for Air Seal O-Rings
on Piston for High Temper­ature Valves

Grease for Pilot Valve Gas­ket
Permanent Bond between Locte® 272

Parker® O-Lube

Dow Corning®

or Dupont®

Dow Corning® 111

55 or 55M

Krytox®

35

APPENDIX 7

O-Ring Compability Chart

(Sourced from “Parker O-Ring® Handbook”)

P = Poor
F = Fair
G = Good

E = Excellent
Butyl

(-75 - 250F) FG G E G F G P G E P GE FG G G G GE

Abrasion Resistance

Chemical Resistance

Acid Resistance

Cold Resistance

Electrical Properes

Dynamic Properes

Flame Resistance

Heat Resistance

Impermeability

Ozone Resistance

Oil Resistance

Set Resistance

Tensile Strength

Tear Resistance

Water / Steam Resist

Weather Resistance

Chlorinated Poly­ethylene

Chloro-sulfonated
Polyethylene

Ethylene Propylene

Flourocarbon
(Viton)

(-515 - 400F) G E E FP GE F E E G E E GE F GE FG E
Flourosilicone

(-100 – 350F) P FG E GE P E G E P G E GE P F F E
Neoprene

(-45 – 250F) G FG FG FG F F G G G FG GE F FG G F E
Nitrile or Buna N

(-30 – 250F) G F FG G GE F P G G E P GE FG GE FG F
Polyacrylate

(-5 to 350F) G P P P F F P E E E E F FG F P E
Polyurethane

(-40 – 180F) E P F G E FG P F G G E F GE E P E
SBR or Buna S

(-70 – 400F) G F FG G G G P FG F P P G FG GE FG F
Silicone
(-70 – 400F) P FG GE E P E F E P PG E GE P P F E
Teon™
Encapsulated G E E G G G G G
(-70 – 400F)

G F FG FP G G GE G FG E F FG G F E

G G E FG F F G G G F E F G F F E

GE G E GE GE G P E G P E GE GE GE E E

36

APPENDIX 8

Quote Request / Order Form

For CV Series High Pressure Valves

Required Valve Type and Conguraon Informaon.

2-Way Valve 3-Way Valve

Select Weed Material

316 Stainless Steel ________ ________

Hastelloy C-276 ________ ________

Expected Fluid Types

Water (dislled) ________ ________

Brine ________ ________

Mineral Oil ________ ________

Crude Oil ________ ________

(Specify)
Other Oil ________ ________ ________
Solvents ________ ________ ________
Acids ________ ________ ________
Corrosives ________ ________ ________

Polymers ________ ________ ________

Other ________ ________ ________

Expected Operang Temperature

Less than 60ºF (16ºC) ________ ________

If less than 60ºF, how low? ________ ________ ________

Between 60ºF and 150ºF (16º to 65º C) ________ ________

Between 60ºF and 300ºF (16º to 149º C) ________ ________

Greater than 300ºF (149ºC) ________ ________

If greater than 300ºF, how high? ________ ________

________

Customer’s Name _____________________________
Company _____________________________
Address _____________________________
Phone Number _____________________________
Fax Number _____________________________
Email Address _____________________________
Purchase Order Number _________________________

37

A

Air Compressor ............................................. 7,24,25

Air Inlet Fings ...................................................... 8

Air Lines

Numbered or Color Coded Tags ........................ 8

Air Supply

Input and Output ............................................... 7

Requirements .................................................... 7

C

Cone

Inspecng ........................................................ 14

Conguraon .......................................................... 1

2-Way Valve ...................................................... 5

3-Way Valve ...................................................... 6

Closed / Closed .................................................. 6

Closed / Open .................................................... 6

Open / Closed .................................................... 6

Open / Open ...................................................... 6

D

Dimensions ............................................................. 4

F

Fings ............................................................... 4,34

Flow Coecient ...................................................... 3

Flow Direcon ........................................................ 5

Fluid Supply Problems .......................................... 24

M

Maintenance ........................................................ 21

Tools ................................................................ 11

Manifolds ............................................................... 7

O

Operaon Principles

2-Way Valve ...................................................... 5

3-Way Valve ...................................................... 5

O-Ring

Compability Chart ......................................... 36

Greasing ................................................ 16,23,35

Seal Material ..................................................... 1

Disassemble ..................................................... 13

Reassemble ..................................................... 15

Q

Quote

Order Form ...................................................... 37

Request Form .................................................. 37

S

Sleeve

Inspecng ........................................................ 14

Sleeve & Cone Assembly

Diagram ........................................................... 13

Sleeve Assembly

Disassemble ..................................................... 13

Reassemble...................................................... 14

Solenoid Pilot Valve ................................................ 1

Audio Check ..................................................... 22

Connecng ..................................................... 7-9

Visual Check ..................................................... 21

T

Temperature Rang ............................................... 2

Troubleshoong ................................................... 21

V

Valve

Closed Valve Diagram ........................................ 5

CV-210 Connecon Diagram .......................... 8,9

CV-210 Diagram ............................................... 11

CV-310 Connecon Diagram ............................. 9

CV-310 Diagram ............................................... 17

Disassemble 2-Way ......................................... 11

Disassemble 3-Way ......................................... 17

High Temperature ............................................. 9

Connecng Air Lines ..................................... 9

Maintenance ......................................... 11,17,21

Models ............................................................... 3

Open Valve Diagram .......................................... 5

Reassemble 2-Way .......................................... 15

Reassemble 3-Way .......................................... 18

Size .................................................................... 4

Valve-Solenoid Pilot

See Solenoid Pilot Valve .................................... 7

Volume

Internal .............................................................. 3

W

Weed Parts ........................................................... 2

P

Piston Assembly

Diagram .......................................................... 12

Disassemble ..................................................... 13

Reassemble ..................................................... 15

Power

Solenoid Pilot Valve ........................................... 8

Pressure Rang ....................................................... 1

Maximum .......................................................... 1

38