3-piece welding ball valve is suitable for PN1.0 ~ 4.0mpa, working temperature -29 ~ 180℃(sealing ring for enhanced polytetrafluoroethylene) or -29 ~ 300℃(sealing ring for para-polystyrene) of various pipelines, used to cut off or connect the medium in the pipeline. Choose different materials, can be respectively suitable for water, steam, oil, nitric acid, acetic acid and other media.
Product features：
Nominal pressure：1.6-6.4MPa
Applicable stability range：-20℃～350℃
Applicable medium: water, oil, gas and some corrosive liquids（W.O.G）
Thread type：G, NPT, BSPT, BSPP, DIN2999, ISO228
