Detailed Product Description Product Standard Srew Thread : BSPTBSPNPTDIN259/2999 Main Features : Nominal PressurePN≤1.6Mpa; Suitable Mediumwater,oil,acid ; Suitable temperatureT≤180 Materials for main parts:No.Parts NameMaterial 1BodyCF8/CF8M2Disc304/1063Stem3164BonnetCF8/CF8M5Seal gasketPTFE6Gasket304/1067StuffingPTFE8Gland ring304/1069Gland bushCF8/CF8M10HandwheelALUMNUM ...