National Pipe Thread Taper (NPT) is a U.S. standard for tapered threads used on threaded pipes and fittings. In contrast to straight threads that are found on a bolt, a taper thread will pull tight and therefore make a fluid-tight seal.
Stainless steel camlock Coupler DC are typically used with Type A, E & F adapters to seal the end of the connection. Stainless steel 316 cam & groove couplings are ideal for harsh applications such as salt water, various chemicals & liquids that have strict requirement of sanitary. Among all the camlock couplings, stainless steel hose coupling is the superior one in durability and performance although its price is a little expensive.
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