Super Quality Butterfly Valve With Malleable Iron Handle 1) 2 years guarantee 2) Meets ANSI,BS,DIN, ... PRESSURE: PN 10 - PN16WORKING TEMPERATURE (Soft seal): -10°C ~150°C Application of piping system:Mrine tanker-shipbuildingOffshore/ Onshore plants, oil ... /PTFE /Nature rubber /Heat resistant EPDMSuitable temperature-20~200°C(depending on pressure,medium and material)Suitable mediumFresh water,sewage ...