2 Piece Screwed Ball Valve Name of parts Material Seal ring PTFE Ball SS304 Gasket PTFE Bonnet CF8M Valve body CF8M Stem SS304 Thrust washer PTFE Packing PTFE Gland Nut SS304 Washer SS304 Stem Mut SS201 Handle Cover PLASTIC Handle SS201 2 Piece Ball Valve: PN:1.6 to 6.4MPa  Applicable temperature range: -20, -232℃, -350℃ Applicable medium: water, oil, gas and some corrosive liquid […]