butterfly check valve 1.DN:40-300mm 2.PN:1.0/1.6Mpa 3.Temperature range:-10-160 sentigrade 4.ISO9001 passed butterfly check valveTechnical dateCodeHH48X-10/16DNDN:40-1200mmPNPN:1.0/1.6MpaTemperature range-10-160°CSuitable MediumFresh water, Sewage, Sea water, Air,Vapor, Food, Medicine, Oils, Acids,Alkalis, etc.Design StandardISO,DIN,BS,ANSI,JIS,GBFlange StandardISO,DIN,BS,ANSI,JIS,GBTest and ...