... -300 Nominal Pressure(MPa): 1.6 API, ASTM, ANSI, DIN, JIS, BS, ISO approved Grooved End Butterfly Valve1)Working temperature: ... -25*C~120*C2)Applicable medium: Fresh water, sewage, ... EPDM, Buna, Hypalon, Viton, NBRStandard:Flange End: ANSI B16.1, AWWA C606Top Flange: ISO 5211Grooved End: AWWA C606 Grooved End Butterfly Valve