... pressure 3.temperature:-30~425 degree 4.ISO9001 certificate 3PC Type orbit Ball Valve DN50 1. Pressure: 1/4"--2"1000PSI(7Mpa ... full range of products include of : Butterfly Valve, Check Valve, Ball Valve, Sample Valve, Union, Elbow, Tee, Ferrule, Clamp, Pump, Manhole ... lines in refrigeration , cold storage and air conditioning plant. SR ball valve gives maximum flow with fully open valve, and maximum ...