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FRM-22.1-Rev.H-SMDBB
6.
Installing
the GripSafe ST DBB Plug
6.1 Inserting the GripSafe ST DBB plug into the pipe.
•
See Table 2 for clearance requirements and ensure the pipe ID falls within the
Internal Diameter Range.
6.2 Slowly push the plug into the pipe.
6.3 A slight rocking motion will assist installation.
•
Once the
Wedge Grippers(16)
contact the inner diameter of the pipe, it will
automatically grip and removal of the plug at this point is not possible, see Section
8 for plug removal if necessary.
6.4 For pipe installation, push the GripSafe ST DBB plug further into the pipe to the desired
depth. The top of the
DBB Spring Plate’s(7)
slotted section must not be protruding past
the face of the pipe it is installed in. See Figure 6 for properly installed plug and Figure 7
for improperly installed plug. The top of the
DBB Spring Plate’s(3)
slotted section can be
inserted further into the pipe if necessary. For a welding neck installation, see Section 7.
CAUTION:
Ensure pipe I.D. is clean. Debris, pipe scaling, and rust layer must be
removed to the deepest point the plug will be installed into. If the pipe is lined or has
irremovable product,
STOP
and contact USA Industries for support before proceeding.
Failure to do so may impede the wedge’s ability to grip and cause the plug to eject under
pressure. Be sure to wear proper PPE and follow all site guidelines.
Figure 7: GripSafe ST DBB incorrect Insertion Depth in a Sectioned Pipe
Figure 6: GripSafe ST DBB Minimum Insertion Depth in a Sectioned Pipe
