Aluminum 4" NH Barrel Strainer with Foot Valve (USA) Threads_NPSH 11 1/2 threads per inch

11 1/2 threads per inch and male 1 inch NPSH

National Pipe Tapered (NPT) Carbon Steel Flange

Aluminum 1 inch NPSH Quarter Turn Forestry Coupling

Warning: Polypropylene cam & groove should not be mixed with metal fittings

Type "A" polypropylene 2 inch male camlock (Cam & Groove) coupler to 2 inch female NPT threads

Aluminum 4" NH Barrel Strainer with Foot Valve (USA) Threads_NPSH 11 1/2 threads per inch4 inch NH NST barrel strainer with poppet style check valve. Female threads do not swivel. NH NST threads are used by most fire departments. A foot valve is essentially a check valve that is integrated into this aluminum barrel strainer which is attached to the inlet side (suction side) of a water suction hose to keep it from losing it's prime during the off cycle. This can drastically reduces water relay time. It can also be back filled to aid in