February 11
th
, 2019
10
Installing a PLCS Low-Profile Plug
Instructions and tooling is ONLY intended for the installation of PLCS/ALH Low-Profile plugs
Low-Profile plugs are available for insertion gas-free through the ALH System-One in the
following sizes:
PLCS Part # Description
46-A0163
1 ¼” Plug/Cap to fit 4” Pipe Profile
46-A0164
1 ¼” Plug/Cap to fit 6” Pipe Profile
46-A0165
1 ¼” Plug/Cap to fit 8”-12” Pipe Profile
46-A0158
1 ½” Plug/Cap to fit 4” Pipe Profile
46-A0159
1 ½” Plug/Cap to fit 6” Pipe Profile
46-A0160
1 ½” Plug/Cap to fit 8”-12” Pipe Profile
46-A0110
2” Plug/Cap to fit 8”-12” Pipe Profile
46-A0157
2 ½” Plug/Cap to fit 8”-12” Pipe Profile
46-A0161
1 ¼”- 1½” Plug Insertion Tool (Adaptor)
46-A0111
2 – 2 ½” Plug Insertion Tool (Adaptor)
1. To install a PLCS Low-Profile plug first separate the plug into its three separate
components.
2. Using the large cap screw supplied with the Plug Insertion tool adaptor join the plug body
and adaptor by lining up the square and snug up cap screw with a hex wrench (DO NOT
OVERTIGHTEN).
3. Attach the adaptor/plug to the plug fitting spindle using the T-Handle hex wrench to tighten
the shaft cap screw.
4. Lubricate the plug insertion shaft with a little silicone paste or spray.
5. Place the plug end of the shaft on a flat surface, position the canopy centrally over the shaft
and push the canopy down the shaft
6. Apply PLCS Thread-Seal or pipe dope to the plug threads and withdraw the plug up into
the top of the canopy by pulling upwards on the shaft.
7. Place the canopy on the valve and attach with the swing bolts.
8. Tighten the bolts alternately with the short valve wrench until snug
(Photo 13).
9. Make sure the plug is not resting on the valve gate by pulling up on the shaft
(Photo 14)
and then open the slide valve.
Contoured Cap
and Nitrile O-ring
Low-Profile NPT
Plug Body
Custom Machined
Bolt with Bonded
Seal Washer
Assembled
Low-Profile Plug
