Siemens 599-01134, 599-01133, Powermite 599 Series, 599-01132, 599-01136 Technical Instructions

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Powermite 599 Series

Technical Instructions

MZ Series Zone Control Three-way Valves

Document No. 155-199P25

VF 599-8

October 24, 2005

Description

Features

Application

Product Numbers

The Powermite 599 Series ANSI Class 250 MZ Series three-way valves are designed to work the SSB MZ Series actuator with a 7/32-inch (5.5 mm) stroke.

Direct coupled universal bonnet ANSI Leakage Class IV (0.01% of Cv)

A typical application for the Powermite three-way valve is the mixing of hot or chilled water for convectors, fan coil units, unit conditioners, radiation, reheat coils, and similar terminal units requiring an actuator that delivers a minimum of 45 pounds force (200 N).

Table 1. Product Numbers.

Flow Rate Line Size Product

Cv (Kvs) inch (mm) Number

0.4 (0.34) 1/2 (15) 599-01132

0.63 (0.54) 1/2 (15) 599-01133 1 (0.85) 1/2 (15) 599-01134

1.6 (1.37) 1/2 (15) 599-01135

2.5 (2.15) 1/2 (15) 599-01136 4 (3.44) 1/2 (15) 599-01137

6.3 (5.43) 3/4 (20) 599-01138

10 (8.6) 1 (25) 599-01139

Siemens Industry, Inc.

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Technical Instructions

Line size 1/2 to 1 inch (15 to 25 mm)

Body UNS CA844 bronze

Canadian Registration Numbers 0H7645.5

Document No. 155-199P25 October 24, 2005

Ordering a Valve Plus Actuator Assembly

Specifications

Material

Operating

To order a complete valve plus actuator assembly from the factory, combine the actuator prefix code with the suffix of the valve assembly product number. See Technical Bulletin (TB) 252 (155-307P25) for selection procedure and ordering codes.

Valve assemblies can be ordered using the numbers in Table 1.

Capacity See Tables 3 and 4 and Figure 1 Body style Globe Seat style Metal-to-metal Action Three-way mixing Valve body rating ANSI Class 250; See Table 2 Stem travel (Stroke) 7/32-inch (5.5 mm)

or forged brass C37700 Body trim Brass Stem Stainless steel ASTM A582 Type 303 Packing Ethylene propylene O-ring Controlled medium Water, glycol solutions to 50% Medium temperature range 35°F to 250°F (2°C to 120°C) Maximum inlet pressure See Table 2 Maximum recommended differential pressure

for modulating service 25 psi (173 kPa) Rangeability Cv <1 >50:1 Cv >1 >100:1 Close-off pressures See Table 5 and Figure 2 Close-off ratings According to ANSI/FCI 70-2 Leakage rate Class IV (0.01% of Cv) Flow characteristics Linear

Miscellaneous

Service Kit

Page 2 Siemens Industry, Inc.

0C0838.9 Mounting location NEMA 1 (interior only) Dimensions See Tables 6 and 7 and

Figures 4 and 5 Valve Weight See Table 6

Protective black knob to cover the bonnet and threads

4 268 8895 0

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Powermite 599 Series MZ Zone Control Three-way Valves Technical Instructions Document No. 155-199P25 October 24, 2005

Table 2. Body Temperature-Pressure Rating.

Valve

Size

inches

1/2

3/4

Valve

Temperature

Pressure

psig (kPa)

Body

F° C° ANSI Class 250

-20 to +150 (-30 to 66) 400 (2758) +200 (93) 385 (2655) +250 (121) 365 (2586)

Bronze or

+300 (149) 335 (2300)

Forged Brass

+350 (177) 300 (2068)

Table 3. Maximum Water Capacity - U.S. Gallons per Minute.

Pressure Differential - psi

Cv\1 2 3 4 5 6 8 10 15 20 25 30 40 50 60 75

0.4 0.6 0.7 0.8 0.9 1.0 1.1 1.3 1.5 1.8 2.0 2.2 2.5 2.8 3.1 3.5

0.63 0.9 1.1 1.3 1.4 1.5 1.8 2.0 2.4 2.8 3.2 3.5 4.0 4.5 4.9 5.5

1.0 1.4 1.7 2.0 2.2 2.5 2.8 3.2 3.9 4.5 5.0 5.5 6.3 7.1 7.8 8.7

1.6 2.3 2.8 3.2 3.6 3.9 4.5 5.1 6.2 7.2 8.0 8.8 10.1 11.3 12.4 13.9

2.5 3.5 4.3 5.0 5.6 6.1 7.1 7.9 9.7 11.2 12.5 13.7 15.8 17.7 19.4 22 4 5.7 7 8.0 8.9 10 11.3 12.6 15.5 17.9 20.0 21.9 25 28 31 35

6.3 8.9 10.9 12.6 14.1 15.4 17.8 20 24 28 32 35 40 45 49 55

10 14.1 17.3 20 22 24 28 32 39 45 50 55 63 71 77 87

/hr).

Valve

Table 4. Maximum Water Capacity - Cubic Meters per Hour (m

Pressure Differential - kPa

Size

1 10 20 30 40 50 60 80

Kvs/

150 200 300 400 500

100

0.03 0.11 0.15 0.19 0.22 0.24 0.26 0.30 0.34 0.42 0.48 0.59 0.68 0.76

0.05 0.17 0.24 0.30 0.34 0.38 0.42 0.48 0.54 0.66 0.76 0.94 1.08 1.21

0.09 0.27 0.38 0.47 0.54 0.60 0.66 0.76 0.85 1.0 1.2 1.5 1.7 1.9

0.14 0.43 0.61 0.75 0.87 0.97 1.06 1.23 1.37 1.7 1.9 2.4 2.7 3.1

0.21 0.68 0.96 1.17 1.35 1.51 1.66 1.91 2.15 2.6 3.0 3.7 4.3 4.8

0.34 1.1 1.5 1.9 2.2 2.4 2.7 3.1 3.4 4.2 4.9 6.0 6.9 7.7

0.54 1.7 2.4 3.0 3.4 3.8 4.2 4.9 5.4 6.7 7.7 9.4 10.9 12.1

0.86 2.7 3.8 4.7 5.4 6.1 6.7 7.7 8.6 10.5 12.2 14.9 17.2 19.2

Siemens Industry, Inc. Page 3

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Technical Instructions Document No. 155-199P25 October 24, 2005

Selection Example

See Figure 1.

Figure 1. Water Capacity Graph.

Select a valve given:

 Required flow = 20 gpm.  Desired pressure drop = 5 psi.  Choose a 1-inch (25 mm) valve, Cv 10.

Table 5. Close-off Pressures.

Action Valve Size Inches (mm)

1/2", 0.4< Cv <1.6

Upper port

Bottom port

(15 mm, 0.34< Kvs <1.37)

1/2", 2.5< Cv <4

(15 mm, 2.15< Kvs <3.44)

3/4" and 1" (20 mm and 25 mm) 30 (207)

1/2", 0.4< Cv <1.6

(15 mm, 0.34< Kvs <1.37)

1/2", 2.5< Cv <4

(15 mm, 2.15< Kvs <3.44)

3/4" and 1" (20 mm and 25 mm) 10 (69)

SSB Actuator

psi (kPa)

70 (483)

40 (276)

25 (172)

15 (103)

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Powermite 599 Series MZ Zone Control Three-way Valves Technical Instructions Document No. 155-199P25 October 24, 2005

Operation

Sizing

Figure 2. Close-off Pressures.

As the valve stem moves downward, the flow through the NO port decreases and the flow through the NC port increases. As the valve stem moves upward, the flow through the NO port increases and the flow through the NC port decreases.

In the event of power failure, a fail-safe actuator returns the valve to its normal position. Fail-in-place actuators will hold the last commanded position. See the Technical Instructions of the various actuators for additional information.

Figure 3.

The sizing of a valve is important for correct system operation. An undersized valve will not have sufficient capacity at maximum load. An oversized valve can initiate cycling, and the seat and throttling plug can be damaged because of the restricted opening. Correct sizing of the control valve for actual expected conditions is considered essential for good control.

The following variables must be determined:

• The medium to be controlled: water, etc.

• The maximum inlet temperature and pressure of the medium at the valve.

• The pressure differential that will exist across the valve under maximum load

demand.

Siemens Industry, Inc. Page 5

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Technical Instructions Document No. 155-199P25 October 24, 2005

Sizing, Continued

Mounting and Installation

Service Dimensions

• The maximum capacity the valve must deliver.

• The maximum line pressure differential the valve actuator must close against.

See Application Bulletin (AB)-1 Control Valve Selection and Sizing (155-285) for further

recommendations. See Tables 3 and 4 for valve capacities. Install the valve so that the flow follows the direction of the arrow indicated on the valve

body. For best performance, install the valve assembly with the actuator above the valve body.

The valve and actuator can be installed in any position between vertical and horizontal. It is not recommended to install the valve assembly so that the actuator is below horizontal or up side down.

Allow sufficient space for servicing the valve and actuator. See Table 6 for valve body dimensions. See Figure 5 and Table 7 for dimensions of the service envelope recommended around the actuator.

NOTE: Instructions for field mounting an actuator, wiring diagrams, and start-up

are covered in the Technical Instructions and Installation Instructions for

each actuator. Replace the valve if inoperable. See Table 6 for valve body dimensions. The letters in Figure 5 refer to the valve

centerline to top of actuator, the actuator width, and service envelope dimensions in Table 7.

Table 6. Three-way Valve Dimensions.

Figure 4. Three-way Valve.

Valve Size inch (mm)

1/2

(15)

3/4

(20)

(25)

A B C

2-3/4

(70)

3-1/4

(83)

3-7/8

(98)

2-15/16

(74)

3-9/16

(90)

3-15/16

(99)

1-5/16

(33)

1-5/16

(33)

1-9/16

(39)

Weight

lb (kg)

1.10 (0.5)

1.44 (.65)

2.20 (1.0)

Page 6 Siemens Industry, Inc.

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Powermite 599 Series MZ Zone Control Three-way Valves Technical Instructions Document No. 155-199P25 October 24, 2005

Figure 5.

Table 7. Dimensions of the Actuator and Recommended Service Envelope.

Dimensions in Inches (Millimeters).

Actuator

SSB

Actuator

Prefix

Code

254 255

Valve

line Size

Center line to

Top of

Actuator, H1

Service

Height

Actual width of

the Actuator

Service

Width

1/2 (15) 4-7/8 (124) 13-1/8 (330) 3-1/4 (83) 11-1/4 (282) 3/4 (20) 4-7/8 (124) 13-1/8 (330) 3-1/4 (83) 11-1/4 (282)

1 (25) 5-1/8 (130) 13-3/8 (335) 3-1/4 (83) 11-1/4 (282)

Siemens Industry, Inc. Page 7

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Technical Instructions

Siemens Industry, Inc.

+ 1 847-215-1000

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Document No. 155-199P25

Document No. 155-199P25 October 24, 2005

Parts Of The Valve

Table 8. Three-way Bronze/Forged Brass Valves.

Item Part Name Part No. Q’ty Material

1 Bonnet Ass’y — 1 — 2 Spring — 1 Stainless steel 3 Wiper — 1 Nylon 4 Valve Body — 1 Bronze or

Forged Brass

5 Stem and Plug

Assembly

— 1 Stainless steel

or brass 6 Upper guide disc — 1 Brass 7 Retaining ring — 1 Stainless steel

Information in this publication is based on current specifications. The company reserves the right to make changes in spec i fications and m odel s as design improvements are introduced. Other product or com pany names mentioned herein may be the trademarks of t hei r respective owners. © 2005 Siemens Industry, Inc.

Building Technologies Divis i on 1000 Deerfield Parkway Buffalo Grove, IL 60089

comments about this document, please send them to [email protected]

Printed in the USA

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