3M Liqui-Cel EXF-10x28 Series Installation instructions

3M™Liqui-Cel™EXF-10×28
Series Membrane Contactor
Assembly and Disassembly Instructions
3M.com/Liqui-Cel

TABLE OF CONTENTS
I. Safety and Warning 3
II. Assembly Parts 4
III. Part Orientation 4
IV. Assembly Tools 5
V. End Cap Removal 6
VI. Cartridge Insertion 7
VII. End Cap Preparation / Installation 9
Manual Insertion 9
Vacuum Insertion 10
IX. Center Seal Tightening 11
X. Pressure Test 11

SAFETY INFORMATION
Read, understand, and follow all safety information contained in these
instructions prior to the use of this 3M™Liqui-Cel™Membrane Contactor.
Retain these instructions for future reference.
Intended Use:
This Liqui-Cel Membrane Contactor is intended to add to or remove
dissolved gases from non-dangerous liquid streams. It is expected that all
users be fully trained in the safe operation of membrane contactors.
Membrane contactors are intended for installation and operation by
qualied installers and operators in accordance with all operating
guidelines, installation instructions, and any other industry requirements.
Use in any other application may not have been evaluated by 3M and may
lead to an unsafe condition.
WARNING
To reduce the risks associated with explosion:
• Only use replacement parts supplied by 3M for this product.
To reduce the risks associated with crush or impact related injuries:
• Always ensure the membrane contactor is properly secured. Be sure the
membrane contactor cannot tip, roll, fall, slide or make any movement that
may cause injury or damage to other system components.
• No liquid, vacuum or sweep gas should be running through the contactor
when changing cartridges or other parts. Membrane contactors should be
completely drained of liquid before attempting to service.
• Care must be taken not to hit or jar (shock) the membrane contactor.
To reduce the risks associated with lifting or moving:
• Always consult the product datasheet or operating guide for membrane
contactor weights. Use appropriately rated lifting equipment for lifting or
moving heavy membrane contactors.
• Drain liquid from the contactor before moving. Do not move a membrane
contactor while it contains liquid.
CAUTION
To reduce the risks associated with environmental contamination:
• At the end of useable life, dispose of the membrane contactor or cartridges
in accordance with local regulations and laws.
NOTICE
• The membrane contactor(s) should not be stored where they are exposed to
direct sunlight. Membrane contactors should always be stored in sealed bags
or shrink wrap material and in the original box or other opaque box.
• Store dry membrane contactor(s) at temperatures < 49° C(120° F) with low to
moderate humidity levels (<60% relative humidity).
• Avoid contact with surfactants/solvents or oxidants (e.g. ozone, chlorine) to
prevent wet-out or oxidation of the hydrophobic membrane.
• To avoid contamination, gloves are recommended when handling the
membrane cartridges.
• Do not use dope or metal connections to connect to plastic connections of
the membrane contactor.
• Failure to follow any instructions in this guide will void any warranty, if any
exists.
EXPLANATION OF SIGNAL WORD CONSEQUENCES
WARNING Indicates a potentially hazardous situation, which, if not avoided, could result in death or serious injury and/or property damage.
CAUTION Indicates a potentially hazardous situation, which, if not avoided, could result in minor or moderate injury and/or property damage.
NOTICE Indicates a potentially hazardous situation, which, if not avoided, could result in property damage.
EXPLANATION OF SAFETY AND RELATED SYMBOLS
Warning: Explosion
Warning: Crush or Impact
Caution: Lifting or Moving Hazard
Caution: Possible Environmental Impact
3

ASSEMBLY PARTS
A. O-rings (4)
Inner O-ring To seal the cartridge into the housing, this
7.5 mm O-ring is the shellside or liquid side O-ring.
Outer O-ring To seal the cartridge into the end cap, this
6.9 mm O-ring is the lumenside or gas side O-ring.
B. Lock ring (2) An elastomeric ring used to position the inner shellside
O-ring.
C. Center Seal (2) To seal the center tube of cartridge and center nozzle
of the end cap.
D. Center Seal Washer To protect the center seal during tightening.
(not shown)
E. L Washer To compress the center seal during tightening.
(not shown)
PART ORIENTATION
BA
C
4

ASSEMBLY TOOLS
10 × 28 Change-Out Tools
Rubber Mallet Used to tap T-handle during inner O-ring insertion.
T-Handle Used to insert inner (shellside) O-ring during
assembly.
O-ring Pick Used to remove the inner (shellside) O-ring
during disassembly.
Center Seal Tool Used to loosen / tighten Center Seal Nut.
Allen Wrench Used to change protective bushing and socket
(plastic parts) on Center Seal Tool.
Reversible Torque Wrench
with 3/4 inch (19 mm) Fits onto hexagonal rod on the Center Seal Tool
(not included with kit).
Cartridge Alignment Tool Used to align the cartridge with the housing.
10 × 28 Change-Out Tools
A complete assembly tool kit will include four (4) sets of the following;
Assembly Rods Threaded rod that will be screwed together
to make a complete assembly tool.
Assembly Clips Dark machined parts that slide over the
Assembly Rods.
Centering Slide
Assembly Rods
Assembly Chips
The equipment illustrated above is required for the assembly or disassembly of a 3M™Liqui-Cel™EXF-10×28 Series
Membrane Contactor that will be assembled in a 316L SS Housing.
5
Rubber
Mallet
T-Handle
Allen Wrench
O-ring
Pick
Center
Seal
Tool

END CAP REMOVAL
WARNING
To reduce the risks associated with crush or impact related injuries:
• Always ensure the membrane contactor is properly secured. Be sure the
membrane contactor cannot tip, roll, fall, slide or make any movement that may
cause injury or damage to other system components.
• No liquid, vacuum or sweep gas should be running through the contactor when
changing cartridges or other parts. Membrane contactors should be completely
drained of liquid before attempting to service.
• Care must be taken not to hit or jar (shock) the membrane contactor.
To reduce the risks associated with lifting or moving:
• Always consult the product datasheet or operating guide for membrane
contactor weights. Use appropriately rated lifting equipment for lifting or moving
heavy membrane contactors.
• Drain liquid from the contactor before moving. Do not move a membrane
contactor while it contains liquid.
CAUTION
To reduce the risks associated with environmental contamination:
• At the end of useable life, dispose of the membrane contactor or cartridges
in accordance with local regulations and laws.
NOTICE
• To avoid contamination, gloves are recommended when handling the membrane
cartridges.
END CAP REMOVAL STEPS
• (A) Place the contactor horizontally. Insert the center seal tool into the
center nozzle. Slowly loosen the center seal nut by turning in a
clockwise direction 2 rotations.
• Loosen the V-Band clamp. Remove the nut from the V-band clamp and
remove the clamp from the assembly.
NOTE: Using ISO Ashby Cross oil on the nut will help get the nut
on and o more easily.
• (B) Using a permanent marker place 2 small alignment marks, one on
the housing and one on the end cap. This will allow the end cap to
be reassembled in the same position.
• Move end cap up and down, and left and right until it becomes loose.
Remove end cap and set aside. It may also be necessary to insert a
prybar or screwdriver into the space between the end cap and housing
to separate the two pieces.
• EXTREME CAUTION must be used to ensure that the epoxy surface of
the contactor is not damaged. Be sure to keep the end cap with same
end of the housing to allow proper realignment upon reassembly.
• Remove all seal elements between the cartridge and the housing.
It will be necessary to use the O-ring pick to remove the inner
(shellside) O-ring. Discard used O-rings.
Repeat all of the above steps for each end of the contactor.
A
B
6

CARTRIDGE INSERTION
WARNING
To reduce the risks associated with explosion:
• Only use replacement parts supplied by 3M for this product.
To reduce the risks associated with crush or impact related injuries:
• Always ensure the membrane contactor is properly secured. Be sure the
membrane contactor cannot tip, roll, fall, slide or make any movement that
may cause injury or damage to other system components.
• Care must be taken not to hit or jar (shock) the membrane contactor.
To reduce the risks associated with lifting or moving:
• Always consult the product datasheet or operating guide for membrane
contactor weights. Use appropriately rated lifting equipment for lifting
or moving heavy membrane contactors.
NOTICE
• To avoid contamination, gloves are recommended when handling the
membrane cartridges.
CARTRIDGE INSERTION STEPS
• (A) Carefully clean the sealing surfaces of the housing and the
cartridge.
• Slide the cartridge into the housing leaving the epoxy equally
exposed on each end.
NOTE: Be careful not to chip the epoxy edge of the contactor.
• Review the Assembly Parts and Part Orientation drawing to become
familiar with the part location and terminology.
• (B) Check to be sure that the cartridge is centered in the housing.
Look at and feel both ends to ensure proper alignment.
• Measure both ends using a ruler to assure the membrane cartridge
is centered in the housing.
• (C) Loosen the wing nuts on the centering slide on the cartridge
alignment tool.
• Clamp the cartridge alignment tool on one end of the housing.
• Move slide until it is ush against the face of the cartridge and
tighten wing nuts.
• Check to make sure the cartridge is still centered.
Use a ruler if necessary.
• If adjusting is necessary, it must be done now before O-rings are
inserted completely.
• (D) Starting at the end opposite the alignment tool, place the
7.5 mm shellside O-ring around the outside of the cartridge.
• Lift the cartridge slightly and use the T-handle insertion tool to press
the O-ring into the space between the housing wall and the epoxy
sealing surface of the contactor at the 6 o'clock position
(see diagram 1).
• Recheck cartridge alignment.
• Once the alignment is acceptable, continue to set the O-rings in the
12 o’clock, 3 o’clock and 9 o’clock positions using the T-handle
insertion tool.
A
B
C
Diagram 1
12 o'clock
6 o'clock
3 o'clock9 o'clock
7

• (E) Use the T-Handle insertion tool to press in the remaining O-ring
sections. When inserting the O-rings, it is best to always divide each
section of un-inserted O-ring in half and press in the middle section.
See the photograph to the right, for an example.
• When the 7.5 mm O-ring is completely inserted, remove the cartridge
alignment tool.
• Repeat the same process on opposite end of cartridge.
NOTE: If the O-ring is ever pinched or cut it MUST be removed and
discarded.
• (F) After the O-ring has been inserted where these arrows point,
use insertion tool as pictured.
• (G) Place the lock ring around the outside of the cartridge.
(See Assembly Part “b” on page 3).
• (H) Place the outer O-ring (6.9 mm) on the lumen epoxy sealing surface.
If the O-ring appears to be rolled or twisted, please adjust the
position so the O-ring sits at on the epoxy.
(See Assembly Part “a” on page 3).
E
F
G
H
8

Repeat these steps on the opposite end of the cartridge.
END CAP PREPARATION/INSTALLATION
WARNING
To reduce the risks associated with explosion:
• Only use replacement parts supplied by 3M for this product.
To reduce the risks associated with crush or impact related injuries:
• Always ensure the membrane contactor is properly secured. Be sure the membrane
contactor cannot tip, roll, fall, slide or make any movement that may cause injury or
damage to other system components.
• Care must be taken not to hit or jar (shock) the membrane contactor.
To reduce the risks associated with lifting or moving:
• Always consult the product datasheet or operating guide for membrane contactor
weights. Use appropriately rated lifting equipment for lifting or moving heavy
membrane contactors.
NOTICE
• To avoid contamination, gloves are recommended when handling the membrane
cartridges.
There are two options for inserting an end cap. Option 1 is Manual Insertion,
option 2 is Vacuum Insertion. Determine your method of choice and go to that
section.
MANUAL INSERTION
• (A) Inspect and clean the sealing surface of both end caps.
• Place L washer around the center nozzle and press it down until it touches
the cap nut.
• Place the center seal (see Assembly Part "d" on page 3) on the center
nozzle. Press it over the threads and down against the L washer.
Place the center seal washer (thinner washer) over the threads and against
the center seal (see Assembly Parts "e" on page 3). Screw the center seal
nut onto the nozzle. Once it touches the washer,
loosen one turn.
• (B) Lift the end cap and place the center nozzle into the center tube of the
cartridge. Check the identication marks to ensure the end cap
matches the correct end of the housing.
• Slowly slide the end cap in until it touches the outer O-ring (lumenside).
Complete this step for both ends of the contactor.
• Rotate the end cap to align the marks placed on the end cap and the
housing during disassembly.
• Place the V-Band clamp behind the clamping ridge of the housing. The
clamp will need to remain there until the assembly process is complete.
• (C) Hook the assembly clips onto the end cap at both ends and adjust
the nut for a secure t. Repeat this step for the remaining assembly
xtures.
• Tighten nuts (2 rotations max at a time) to pull the end cap onto the
cartridge. Tighten in an even manor that will allow the end cap to progress
slowly and evenly. It will be necessary to do the tightening from both ends
of the assembly arms during the installation process.
• Continue checking the alignment marks on the end caps and housing to
properly align the end caps.
A
B
C
L Washer Center seal
washer
Center seal Center
seal
nut
9

• (D) It is necessary to tighten in a pattern similar to the one shown on this
picture. This will ensure that the end cap is inserted evenly.
• While the end cap is pulled tight against the housing, place the V-Band
clamps on the ridges of housing and the end caps and tighten the clamps.
• Loosen the threaded rods of the assembly tool and disconnect the tool
from the housing.
VACUUM INSERTION
• (E) Inspect and clean the sealing surface of both end caps.
• Place the L washer around the center nozzle and press down until it
touches the cap nut.
• Place the center seal (see Assembly Part "d" on page 3) on the center
nozzle. Press it over the threads and down against the
L washer. Place the center seal washer (thinner washer) over the
threads and against the center seal (see Assembly Part "e" on page 3).
Screw the center seal nut onto the nozzle. Once it touches the washer,
loosen it one turn.
• Bolt blind anges on both lumen ports and one of the shell ports of the
end caps.
• Lift the end cap and place center nozzle into center tube of the cartridge.
Slowly slide the end cap in until it touches the outer O-ring (lumenside).
Complete this step for both ends of the contactor.
• Rotate the end cap to align the marks placed on the end cap and housing
during disassembly.
• (F) Bolt the vacuum ange onto to remaining shell port.
Connect the vacuum hose to the ange and the vacuum.
D
E
F
L Washer
Center seal
washer
Center seal Center
seal
nut
10

• (G) Turn the vacuum pump on. Press the end caps against the O-rings.
• (H) While the end cap is pulled tight against the housing, place the V-Band
clamp on the ridge of the housing and the end cap and tighten the
clamp. Repeat this step for the other end.
NOTE: Using ISO Ashby Cross oil on the nut will help get the nut
on and o more easily.
• Turn o the vacuum. Remove the blind anges from the shell connections
and proceed to tighten the center seal.
CENTER SEAL TIGHTENING
• (I) Insert the center seal tool into the center nozzle. Turn the tool until you
feel the notch in the tool mesh with the nubs of the center nut.
• Using a counter clockwise motion, slowly torque the center seal to
90 ft/lb. (122 Newton/meters). Repeat for other end.
PRESSURE TEST
• (J) Bolt blind anges on both lumen ports and one of the shell ports.
• Bolt a ange equipped with a 0-100 psi gauge and hose connection.
• Pressurize the housing to 60 psig with clean, oil free, air.
• Isolate the pressurized housing and monitor the pressure to verify a leak
free seal. There should be no pressure decay over 30 minutes.
G
H
I
J
Compressed
Air Source
11

LC-1088
Rev. 04/2021
3M.com/Liqui-Cel
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