Wafer Type Cast Iron Butterfly Valve
High Quality Butterfly Valve
Butterfly Valve Manufacturers
Model Number: Butterfly Valve; Top Flange: ISO5211 or factory standard; Suitable medium: Petroleum, chemical industry, water, oil, gas etc.; Working temperature: -45 to 200 Celsius; Seat: NBR, EPDM, Neoprene, PTFE, BUNA, Hypalon.; Tightness check: API 598, ISO 5208, EN12266-1, DIN3230, BS5155;...