VEL2199 04/14
Velcon Filtration Division
Effective: April 2014
Standard
Filter Vessel
Installation and
Operation
Manual (VF &
HF)
Parker Hanni n Corporation
Velcon Filtration Division
1210 Garden of the Gods Road
Colorado Springs, CO 80907
+1 719 531 5855 Phone
+1 719 531 5690 Fax
www.velcon.com
vfsales@parker.com
VEL2199 0414
Velcon Filtration Division
Filter Vessel Installation & Operation Manual
WARNING
DO NOT PRESSURE TEST
THIS VESSEL WITH AIR!
PRESSURE TESTING
WITH AIR IS A
HAZARDOUS PROCEDURE!
THIS VESSEL IS TO BE PRESSURIZED
ONLY WITH THE LIQUID FOR WHICH IT
IS INTENDED TO BE USED AND ONLY
TO THE MAXIMUM DESIGN PRESSURE
SHOWN ON THE VESSEL NAME PLATE.
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Parker Hanni n Corporation
Velcon Filtration Division
Colorado Springs, CO 80907 USA
VEL2199 0414
Filter Vessel Installation & Operation Manual
Velcon Filtration Division
TABLE OF CONTENTS
General Description .....................................................................................................................4
Installation of Vessel ....................................................................................................................5
Start-Up Procedure .....................................................................................................................6
Operating Information .................................................................................................................7
Cartridge Change or Inspection Procedure ..............................................................................13
Installation Instructions
Open-Ended Filter Cartridges ...................................................................................................10
Torque Requirements for Vessels with O-ring Closures ............................................................11
Installing Tie Rods .....................................................................................................................12
Appendix
A - Pleated Media Filter Cartridges .................................................................................... 16-17
B - F0-6xxA3 & FOH-6xxA1 - EI1590 Quali ed Filter Cartriges ......................................... 18-19
C - VF Series - Vertical Filter Vessels .................................................................................. 20-21
D - Assembly Torque Recommendations ........................................................................... 22-23
DISCLAIMER: This generic vessel manual is provided for your information with the
understanding that each vessel sent out from Velcon is customized for the particular
vessel and contains accessory information not included in this document. This document makes references to other pieces of literature, such as schematics and drawings
that are added to the manual as needed depending on the vessel parameters.
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Parker Hanni n Corporation
Velcon Filtration Division
Colorado Springs, CO 80907 USA
VEL2199 0414
Velcon Filtration Division
Filter Vessel Installation & Operation Manual
4
Parker Hanni n Corporation
Velcon Filtration Division
Colorado Springs, CO 80907 USA
VEL2199 0414
Velcon Filtration Division
Filter Vessel Installation & Operation Manual
GENERAL DESCRIPTION
The Velcon that you have received consists of the vessel,
filter elements, and accessory equipment to meet your
specific requirements. Descriptive literature covering the
accessories is included near the back of this manual.
A Velcon is specifically designed to remove solid
contaminants from the product being filtered. The product
enters from the inlet nozzle, rising vertically behind a baffle
until it reaches the region above the top of the highest
elements. The elements are arranged in vertical stacks
rising up from a flat division plate. The fluid enters the
outside of each element and flows toward the center of the
element. The flow then goes downward to the outlet.
Velcon are manufactured to meet a variety of different end
uses and specifications. The finest workmanship has gone
into the building of this Velcon. It is of no value, however, if
elements are improperly installed or the unit is improperly
operated. We urge you to read the manual carefully and
follow the instructions given.
NOTE
Velcon has qualified the FO-6xxA3 pleated
media filter cartridges to EI Specification 1590,
“Specifications and Qualification Procedures for
Aviation Fuel Microfilters.”
INSTALLATION OF VESSEL
1. Identify the Filter inlet and outlet by the markings
provided on the vessel piping. The Filter must be
installed in the correct direction of ow to perform
properly and to avoid damage to the system.
2. INLET and OUTLET PIPING should be carefully
aligned to avoid stressing the Filter connections
during installation. Installation of shut-off valves on
either side of the Filter is recommended so that it
can be independently drained for cartridge change
or inspection.
6. Cartridges are normally packed separately.
Open the vessel cover and install cartridges as
explained on page 8 and as per enclosed element
stack drawing. Tighten nuts on tie rods until the
rubber washers begin to curl. Do not over-torque.
sequence.
7. Be sure the cover gasket is in place and properly
aligned. Replace cover and secure tightly.
NOTE
FILTERS MUST BE PROVIDED WITH
PRESSURE RELIEF VALVES IF THE
SYSTEM HAS POSITIVE DISPLACEMENT
PUMPS UPSTREAM OR AUTOMATIC
SHUT-OFF VALVES DOWNSTREAM OF
THE VESSEL.
START UP PROCEDURE
If the Velcon Filter has the accessories listed below, they
should be placed in the following positions:
1. Manual drain valves closed.
2. Manual air eliminator valve open.
3. The valves in the inlet and outlet piping should be
closed.
4. The pressure gauge valve to OFF position. For
Filters equipped with selector valves, this is done
by turning the handle outward so that the arrow
points toward the vessel.
For information on operation of accessories, turn to
Accessory Instructions in the back of the manual.
After the valves have been positioned as outlined, the unit
is ready to be filled.
The following operating instructions can be used for initial
start-up and for subsequent start-ups after installation of
replacement elements or servicing of the unit.
STEPS 3 AND 4 SHOULD BE
PERFORMED BEFORE REMOVING HINGE OR PIVOT MOUNTED
CAUTION
COVER TO ENSURE STABILITY OF
THE FILTER.
3. Bolt the lter to a stable base.
4. Carefully install correct gaskets on the inlet and
outlet connections and connect to the inlet and
outlet piping.
5. Connect any accessories that are not already
installed. See Accessory Parts List and literature
as required.
1. Start the system pump.
2. Slightly open the inlet valve, allowing the Filter to
slowly ll with uid. (Take about 10 – 15 minutes
to ll the vessel to eliminate the possibility of an
internal re.)
3. If the unit is equipped with a manual air eliminator
valve, leave the valve cracked open until the uid
ows from the opening; then close quickly.
4. If equipped with an automatic air eliminator, the
unit is lled when the air eliminator stops owing
air. When the Velcon Filter is lled with uid, slowly
open the valve on the inlet line, then slowly open
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Parker Hanni n Corporation
Velcon Filtration Division
Colorado Springs, CO 80907 USA
VEL2199 0414
Velcon Filtration Division
Filter Vessel Installation & Operation Manual
the valve on the outlet line.
5. When the unit is in operation, open the pressure
gauge, take a differential pressure reading and
record the reading. If there is no pressure differential, the system should be shut down and the Filter
inspected for broken seals or possibly elements left
out. See Differential Pressure Readings on Page 5
OPERATING INFORMATION
Below are the Velcon recommendations for operating
procedures. Your Company Maintenance and/or Quality
Control procedures may provide alternate instructions on
these matters.
1. FILTER CARTRIDGES should be changed in accordance with one of the following (whichever comes
rst):
A. When the differential pressure reaches the level
speci ed on the cover page of this manual.
For Filters equipped with differential pressure
gauges, see paragraph 2 below.
B. When the ow rate is reduced to an unaccept-
able level because the cartridges are plugged
with contaminant.
C. Whenever ef uent product is unacceptably
contaminated.
2. DIFFERENTIAL PRESSURE READINGS Differential
pressure is the difference between the pressure
upstream and downstream of the Filter. Differential
pressure increases when contaminant is ltered by
the lter cartridges and causes ow restriction.
Readings should be taken when the system
is owing at maximum capacity. If the Filter is
equipped with a direct reading differential pressure
gauge, the reading shown on the gauge is the differential pressure across the Filter.
If the Filter is equipped with a pressure gauge and
a selector valve, use the following procedure for
determining differential pressure:
If the lter/separator is equipped with a pressure
gauge and a selector valve, use the following
procedure for determining differential pressure:
A. Turn the handle one way and record the
pressure reading.
B. Turn the handle the other way (90° or 180°,
depending on the type of valve) and record the
pressure reading.
C. Subtract the lower reading from the higher
reading to determine differential pressure. The
higher reading is inlet pressure.
Differential pressure readings should be taken at
least once during every operating week and more
frequently in high throughput installations or when
the differential is increasing rapidly. Records of
the differential pressure and throughput should be
maintained to determine when cartridges should
be changed.
A sudden drop in pressure differential is an indication of a possible problem. Check rst to be sure
that readings were taken at equivalent ow rates.
If so, shut the system down, open the Filter, and
inspect for the following:
A. Collapsed or ruptured cartridges caused by
severe pressure differential or shocks in excess
of design limits.
B. Ruptured seals. Check to see that all O-ring
seals and gaskets seals are in place and have
the same alignment as when the elements and
parts were installed.
C. Broken end plates. Inspect all of the end plates
of the elements.
D. If any of the above are observed, check the
system for possible hydraulic shock conditions. If the system is not provided with adequate surge controls, the sudden start-up of a
high-pressure pump can create extremely high
shock
A. Turn the handle one way and record the pres-
sure reading.
B. Turn the handle the other way (90° or 180°,
depending on the type of valve) and record the
pressure reading.
C. Subtract the lower reading from the higher
reading to determine differential pressure. (The
higher reading is inlet pressure.)
CARTRIDGE CHANGE OR INSPECTION PROCEDURE
A. Shut off the pump.
B. Close the inlet and outlet pipe valves.
C. Open the drain valves and remove the product
from the Filter.
D. Open the manual air eliminator valve. This will
permit the unit to drain faster.
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Parker Hanni n Corporation
Velcon Filtration Division
Colorado Springs, CO 80907 USA
VEL2199 0414
E. Open the cover and inspect the cover gasket –
replace the gasket if it is damaged.
F. Completely drain lter chamber.
G. Remove spent cartridges for cartridge change.
H. Wipe off or wash down any foreign matter from
the vessel interior.
I. Install the cartridges in accordance with in-
structions on page 8.
J. Tighten nuts on tie rods until the rubber wash-
ers begin to curl. Do not over-torque.
K. Check the cover gasket for alignment, re-
place the cover and secure tightly. The Filter
is now ready for the start-up procedure.SUMP
CHECKS
Velcon Filtration Division
Filter Vessel Installation & Operation Manual
NOTE
USE ONLY PARKER VELCON
CARTRIDGES IN THIS FILTER. VELCON
CANNOT WARRANT PERFORMANCE
IF ANY OTHER MANUFACTURER’S
CARTRIDGES ARE USED.
To reorder cartridges and replacement parts or
to obtain further information, contact your Velcon
representative:
Parker Hanni n Corporation
Filtration Group
Velcon Filtration Division
1210 Garden of the Gods Road
Colorado Springs, CO 80907-3410
Tel: +1 719 531 5855
Fax: +1 719 531 5690
vfsales@parker.com
www.velcon.com
7
Parker Hanni n Corporation
Velcon Filtration Division
Colorado Springs, CO 80907 USA
VEL2199 0414
Velcon Filtration Division
Filter Vessel Installation & Operation Manual
8
Parker Hanni n Corporation
Velcon Filtration Division
Colorado Springs, CO 80907 USA
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