3
MDX PRESSURE TESTING
With Pressure Plugs
Old Style Test Plug
1.
Use four wraps of Teflon tape. Insert plug into
threaded socket. Set plug wrench on lug and tighten
by hand until snug. Apply handle to wrench and turn
1.5 to 2 turns. Do not under or over tighten plug.
OR USE ALTERNATE METHOD
If using silicone sealant, install plug a day before
using. Remove Teflon tape. Apply silicone liberally to
threads of plug. Insert plug into threaded socket.
Tighten by hand until snug. Do not over tighten plug.
Allow silicone to set for 24 hours before putting
under pressure.
2.
Install a pressure stack to both lines at a
location away from the MDX Debris Removal System
Sump.
3.
Pressure should remain on the system through
construction until interior cleanup.
2” HYDROSTATIC PLUG
2 1/2” PLUGS (QUANTITY=2)
Notice:
Release pressure on the system before removing plugs
Pressure Test-READ BEFORE INSTALLATION:
New Style Test Plug
The new style 2 1/2” pressure test plugs (005-252-1611-00) use an o-ring to make the seal.
1.
Wrap once withTeflon tape to prevent plastic threads from binding. Insert plug into threaded socket. Set
plug wrench on lug and tighten by hand until snug. Apply handle to wrench and turn. Over tightening may
cause parts to break.
N
NO
OT
TE
E::
If have a sump withiut the o-ring groove around the socket, proceed with one of the alternate
methods below
to make the seal.
