Rubber Lined Butterfly Valve

Rubber Lined Butterfly Valve  Product features    DN50-DN4500, PN6/10/16/25,  To DIN3352 or API609  Face to face per DIN3202/ISO5752  Flange ends dimension DIN2501/ANSI B 16.5/ANSI B 16.47  Final inspection tests to API598/DIN3230.    Materials Body and disc: Cast iron, ductile iron GGG40/GGG50/WCB/SS  Shafts of stainless steel 2cr13  Disc sealing ring in replaceable NBR/EPDM rubber.  Seat face weld with copper alloy, micro finished.   Corrosion protection Inside and outside epoxy coating Applicable temperature: -20--100degree Celsius (Different raw material for different work temperature ) Applicable medium: Water, oil, gas and other causticity medium (different raw material for different medium)

ball valve