... CE Extension Rod Butterfly Valve:DN50-DN2400 PN1.0/1.6MPaEnd flange: EN 1092Top flange: ISO 5211F/F ... pressurePN1.0/1.6MPa(150/200PSI)Series 13 BodyHT200 A126 Class B QT450-10 A536 65-45-12DiscQT450- ... 10 A536 65-45-12Stem304 416 420 431SeatNBR, EPDM ... ,Series 20 BodyCI, DI, WCBDiscDI, ALB, CF8M, 1.4529 Stem416, ...