Full flow non return valve for sewage and waste , Free flowing ball allows full bore pipe access for waste to pass... BSP threaded bot ends.

Ball retaining valves for waste water, suitable for heavy duty applications. The special chemical structure of NBR rubber, coating the stainless steel ball, allows the application with liquids of different viscosity and/or chemically aggressive and liquids having temperatures from 0' to 110'C. The use of rubber coating on all available diameters, improves quality and life of valves reducing water hammer problems assuring noisless installations.