TWS VALVE Material of different parts: 1.Body: DI 2.Disc: DI 3.Shaft:SS420 4.Seat:EPDM Pressure of Double flange concentric butterfly valve PN10, PN16 Actuator butterfly valve Handle Lever, Gear Worm, Hiko hiko, Pneumatic actuator. Ētahi atu kōwhiringa rauemi Wāhanga takirere Material Body GGG40, QT450, A536 65-45-12 Kōpae DI, CF8, CF8M, WCB, 2507, 1.4529, 1.4469 Shaft SS410, SS420, SS431, F51, CF8M, WCB, 2507, 1.4529, 1.4469 Shaft SS410, SS420, SS431, F51, 17-4PH Rangatū kanohi ki te NBR17-4PH 20 Whakamutunga flange EN1092 PN10 PN16...