Industrial valve 1. Professional manufacturer: 8 years' experience. 2. Iso 9001, Iso ... Co., Ltd. is a large scale industrial valve manufacturer in China engaged in research, development and manufacture ... 5155, MS SP-67.Flange Drilling: ANSI B 16.1, BS EN 1092, DIN 2501 PN 10/16, ... Pressure:PN10 / PN16 Testing PressureShell: 1.5 times rated pressure,Seat: 1.1 times rated pressure. Working Temperature-10 ...