GPT LINK-SEAL User Manual

LINK-SEAL® MODULAR SEALS INSTALLATION INSTRUCTIONS

1. Center the pipe, cable or conduit in wall
opening or casing. Make sure the pipe will
be adequately supported on both ends.
LINKSEAL® modular seals are not intended
to support the weight of the pipe.

2. Loosen rear pressure plate with nut just
enough so links move freely. Connect both

ends of belt around the pipe.

3. Check to be sure all bolt heads are facing
the installer. Extra slack or sag is normal. Do

not remove links if extra slack exists.

NOTE: On smaller diameter pipe, links may need to
be stretched.

4. Slide belt assembly into annular space. For
larger size belts, start inserting LINKSEAL®
modular seal assembly at the 6 o'clock
position and work both sides up toward the
12 o'clock position in the annular space.

Connect

5. LS-200 through LS-315 Using a hand
socket allen head or off-set wrench ONLY,
start at 12 o'clock. Do not tighten any bolt
more than 4 turns at a time. Continue in
a clockwise manner until links have been
uniformly compressed. (Approx. 2 or 3
rotations)

5a.LS-325 through LS-650 Using a hand socket

or off-set wrench ONLY, start at 12 o'clock.
Do not tighten any bolt more than 4 turns
at a time. Continue in a clockwise manner
until links have been uniformly compressed
(Approx. 2 or 3 rotations).

6. Make 2 or 3 more passes at 4 turns
per bolt MAXIMUM, tightening all bolts
clockwise until all sealing elements “bulge”
around all pressure plates. On type 316
stainless steel bolts, hand tighten ONLY
without power tool.

7. If the seal doesn’t appear to be correct
using the instructions provided, call GPT at
1-800-423-2410.

Bulge

Installation Complete

Installation Notes: The LINKSEAL® modular seal bolt heads are usually recessed below the wall opening or the edge of casing pipe and
therefore a socket or offset wrench must be used.

LINKSEAL® Modular Seal - Do's

1. Make sure pipe is centered.

2. Install the belt with the pressure plates evenly spaced.

3. Install the exact number of links indicated in sizing charts.

4. Check to make sure pipe is supported properly during backfill
operations.

support the weight of the pipe.

NOTE: LINKSEAL® modular seals are not intended to

5. Make sure seal assembly and pipe surfaces are free from
dirt.

6. For tight fits, use non-polluting liquid detergent to assist
installation.

CORRECT INCORRECT

LINKSEAL

1. Don’t Install the belt with the pressure plates aimed in irregular
directions. (Staggered)

2. Don’t Install LINKSEAL® modular seals where weld-beads or
other irregular surfaces exist without consideration of the
sealing requirements.

3. Don’t torque each bolt completely before moving on to the next.

4. Don’t use high speed power tools (450 rpm or more)

5. Do not use power tools on LINKSEAL® modular seal 316 stainless
steel bolts.

6. Don’t use grease installing LINKSEAL® modular seals.

Hand Tools: Review provided chart below. (Tools not provided.) Tools

®

Modular Seal - Don'ts

can be purchased from hardware store, auto parts store, or home
improvement store.

If the seal doesn’t appear to be correct using the techniques
provided, Call GPT at 1-800-423-2410.

ALWAYS WEAR PPE WHEN USING LINK-SEAL® MODULAR SEALS

LINKSEAL® Model

LS-200, LS-275 4mm, Allen
LS-300, LS-315 6mm, Allen

LS-325, LS-340, LS-360 13mm, Hex
LS-400, LS-410, LS-425, LS-475 17mm, Hex
LS-500, LS-525, LS-575 19mm, Hex
LS-615 30mm, Hex
LS-650 19mm, Hex

Tool Size/ Type

Req.

Bolt Head

Type

CENTURY-LINE® INSTALLATION INSTRUCTIONS

CENTURYLINE® Sleeves are thermoplastic wall or floor pipe penetration sleeves. One person working alone can usually install a CENTURY
LINE®

Sleeve regardless of the size.

1. Measure the center line to position
CENTURYLINE® Sleeve end cap.

2. Nail one of the end caps at the marked
center line. A 2” minimum clearance is
suggested when nesting sleeves.

3. Place the CENTURYLINE® Sleeve on
the end cap. When field cutting non
standard CS sleeve lengths, the sleeve
and end caps total length should be ¼”
longer than the thickness of the wall.

Cut with a hand or power saw.

NOTE: To insure minimum water migration,
center the water stop in wall by cutting equal
lengths from each end of the sleeve, except as
noted below.

ALTERNATIVE TECHNIQUES USING THREADED ROD

After nailing end cap to form, drive
(threaded rod*) through the end plate and
form and (thread nut*) on other side.

NOTE: Remember to measure the (threaded
rod*) to match the length of the sleeve.

4. Place second end cap on sleeve.
Check to determine that the cap is
properly inserted.

5. For additional stability, it’s necessary
to secure the sleeve with wire to
the rebar. Insert the other end cap
firmly, check that second end cap is
positioned correctly, confirm sleeve
length and close the form.

6. After the concrete is poured and
cured, remove end caps with screw
driver or crow bar. End caps may be
replaced to protect sleeve until pipe
penetration is made.

Wall
Thickness

Cut From

Left End

Dimension ACut From

Right End

16" 0.0" 7.125" 0.0" 7.125"

14" .875" 6.125" .875" 6.125"

12" 1.875" 5.125" 1.875" 5.125"

10" 2.375" 4.625" 3.375" 3.625"

8" 2.375" 4.625" 5.375" 1.625"

End
Cap

½"

Center

Water Stop

A B

1"

Dimension

B

End
Cap

½"

Place the sleeve over the end cap nailed
to the form.

* = Not Provided by GPT®

Place second cap on the sleeve and
use a (block of wood*) and (wing nut*)
to tighten unit in place. Make certain

sleeve is plumb.

ALWAYS WEAR APPROPRIATE PPE

Always install LINKSEAL®
modular seals on side A

NOTES:

1. Example: To convert 16” to 12”, cut

1.875” off each end.

2. Endcaps leave 1/2” depression in face

of concrete.

3. On sleeves under 12” length, install

LINKSEAL® modular seal on the “long
side” of the waterstop. (a) For LINK
SEAL® modular seals models LS-200, LS-275, LS-300, LS-315, LS-340
and LS-360 - install with pressure plates flush with outer edge of the
sleeve. (b) For LINKSEAL® modular seals models LS-325, LS-400, LS­410, LS-425 and LS-475 - install with pressure plates partially inserted
into the sleeve. When tightened, the pressure plates will “pull” into the
sleeve. (c) For LINKSEAL® modular seals models LS-500, LS-525, LS­575, LS-615 and LS-650 - the minimum sleeve length is 10”. Follow the
instructions in 3 above.