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Test-Tite now offers a totally redesigned series of pneumatic test plugs (1-1/2 in. to 4 in.) with pressure relief (PR) valves. The built-in PR valve releases excess pressure if the plug has accidentally been overinflated. This patent-pending design prevents damage to the plug and increases user safety on the jobsite as overinflated plugs can easily rupture causing downtime and possibly injuries.
- 4 in. pressure relief test plug
- Pressure relief automatically resets for each inflation
- Pressure relief has no moving parts to fail or malfunction
- 5 sealing ribs in the center portion of the plug for positive sealing
- Molded as 1-piece with no seams or bonded parts
- Pressure relief exhaust out of the top of the plug not into test area