Adoptive Standards Valve Design: API 609, MSS SP-67 Face To Face: API 609, MSS SP-67, DIN3202, BS EN558-1 Pressure Test: API 598 Flange Drilling: ANSI B16.1 class125, BS4504 PN10/PN16, DIN2501 PN10/PN16 Top Flange: ISO5211
Application
U-type butterfly valve is widely used in the pipeline of coal chemical industry, petrochemical industry, rubber industry, papermaking industry, pharmaceutical industry, etc.