This is new swimming pool leak detection pressure testing plug. Its called the butterfly plug and is easy to remove by hand. ITs both a pressure testing plug and an inducer plug for air/water or tracer gas such as helium or hydrogen. It has a o-ring seal that ensures the entire pipe is included in the pressure test right up to the o-ring.
Негізгі бет Тәжірибелік нұсқаулар және стиль Pressure Testing Swimming Pool Plumbing BUTTERFLY PLUG
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