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Order LookupMechanical Blocking Plugs
Available11 products
Mechanical blocking plugs provide a seal inside or at the end of a pipe to block flow and allow for pressure testing, maintenance, or to prevent unwanted material from entering the pipeline. A manual closure mechanism squeezes two plates together to compress and expand a rubber seal that presses against the internal walls of the pipe. They are primarily used in drain, waste, and vent (DWV) systems.
Brand
Hex-Nut Closure Plugs with Vent
These blocking plugs have a vent to allow pressure to be released before removing the plug. They install with a hex-nut closure mechanism that expands and tightens the plug with a hex-nut driver.
For: End of Pipe
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