... EN 1092Top flange: ISO 5211F/F: EN 558-1 series13/20 Detail Image:Certificates:Brief Introduction:Butterfly valve is mainly consisted of ... , ANSI B16.1Face to faceEN 558-1 series13/20Top flangeISO 5211Normal pressurePN1.0/1.6MPa(150/200PSI)Series 13 BodyHT200 A126 ... 431SeatNBR, EPDM,Series 20 BodyCI, DI, WCBDiscDI, ALB, CF8M, 1.4529 Stem416, 420, 431SeatNBR, EPDMSuitable temperature-10°C~80°CSuitable ...