Aluminum 4" Female BSP to 4" Male NPT Material_Aluminum High quality Red Head Brass

High quality Red Head Brass chromed brass 1 1/2 inch NH/NST rocker lug cap with chain

Polyamide flow control ring with raised lugs for easy flow control adjustment under pressure

and sealant is provided to help secure the male and female connection

manufactured couplings as soon as we are able

Lightweight aluminum construction designed for wildland firefighting

Aluminum 4" Female BSP to 4" Male NPT Material_Aluminum High quality Red Head BrassBritish Standard Pipe (BSP) can be most commonly found in Canada, UK, Europe, Asia and Australia. It is a finer thread than National Pipe Thread (NPT), and will not seal properly if used in conjunction with it. Two types of threads are used: British Standard Pipe Taper (BSPT) and British Standard Pipe Parallel (BSPP). British Standard Pipe Taper uses a tapered thread system, and sealant is provided to help secure the male and female connection.