Aluminum 4" NH Barrel Strainer with Foot Valve (USA) Female Size_4 Inch years of trouble free use

years of trouble free use and adequate reinforcement

This thread is NOT the same thread as the thread known as NYFD or FDNY thread

The female threaded side of this adapter will only connect to a 3 inch male National Pipe Tapered (NPT) or National Pipe Straight Hose (NPSH) thread

No epoxy or glue necessary

Made in the USA barrel strainer is the basic tool for drafting operations

Aluminum 4" NH Barrel Strainer with Foot Valve (USA) Female Size_4 Inch years of trouble free use4 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