This cast brass valve with brass pentagonal operating nut is used as a fire department outlet connection. It has a female NPT inlet x male hose thread outlet with brass cap and chain. It can regulate an inlet pressure up to 300 PSI / 20.6 bars.
The Potter Roemer 4140 Valve name is one of 43 Valves from Potter Roemer featured on TheBigRedGuide.com. View technical specifications and compare the 4140 with other Valves.