... chrome coated. Stem Brass Stem, Brass as above. Sealing PTFE/TEFLON,VITON,O-RINGS. Handle Iron handle,Stainless steel handle, Aluminium handle ... plated.Connection Theaded ISO228,BSP,NPT,UNION.3.Pressure: PN16 / W.O.G200. Min and Max working temperature: -20°C----150°C ...