Brass 4" Female Camlock x 4" Female NPT Length_100 Feet you need 2 1/2 inch

you need 2 1/2 inch plug which is the most common in the US

has a male camlock and a male hose shank on the other

There is an optional heavy duty 2 inch strap with swivel spring clip that clips onto (2) 1/4" chisel-steel attachment loops

thread and couplings in use by fire departments today is double jacket hose with aluminum NH / NST

A coupled length of hose should be tested to 1 1/2 times the working pressure and held for fifteen minutes without leaking or coupling movement

Brass 4" Female Camlock x 4" Female NPT Length_100 Feet you need 2 1/2 inchGlobal type "D" brass 4 inch female camlock (Cam & Groove) coupler to 4 inch female NPT threads. Under no circumstances should cam and groove couplings be used for compressed air or steam service! Connections The female side of this adapter will only connect to 4 inch male camlock The female threaded side of this adapter will only connect to a 4 inch male National Pipe Tapered (NPT) thread, for example, PVC or metal pipe fitting How it works To make a