IPS Introduces Test-Tite Pressure Relief Pneumatic Plug The Test-Tite pressure relief pneumatic test plug from IPS Corp. features an internal-pressure, safety relief valve that reduces the risk of exceeding the proper inflation. If the recommended pressure is exceeded, the excess is released through the top of the plug, not the test area. Designed for testing or temporarily blocking plumbing DWV systems, the plug can be used in place of standard pneumatic test plugs. It features no moving parts, has a five-ring center seal and one-piece, injection-molded construction for strength and durability. Additional features include a crimped ferrule that attaches the
