Flanged End Concentric Butterfly Valve  

Product overview Concentric butterfly valve is a common waterworks industry valve,the structure of rubber/PTFE lining has been designed as protecting of body and seat,and its usually applied to seawater and potable water pipe line. Applicable Standard Design Standard: API 609, MSS SP-67, MSS SP-68, BS 5155 Face to Face: API 609, ASME B16.10, BS 5155, EN1092 End Connection: ASME B16.5, ASME B16.47,API605 Inspection and Test: API 598 Products Range Size: 2" ~ 56" (DN50 ~ DN1600) Rating: PN10,PN16, ANSI 150lb Body Materials: Cast Iron, Ductile Iron,Cast steel,Stainless steel,Ni_Al_Bronze etc. Seat: EPDM,PTFE Operation: Lever, Gear, Electric, Pneumatic, Hydraulic Design Features Concentric design Soft seated Wafer, wafer-lug, double flange ends ISO top flange Our  main product line is for water works service…