Pipe Thread in Accordance:NPT,BSPT,BSP.DIN259,DIN2999,ISO228 Class A Temperature Range: PTFE:-20 TFM:-50 RPTFE:-35 Suitable Medium:Water, Oil, Air and some corrosive liquid (W.O.G) Nominal Pressure:1.6~6.4MPa Blow-out Proof Stem Investment Casing Body Locking Device 1000PS(PN63) (W.O.G) Meterial:CF8M(DIN1.4408),CF8(DIN1.4308),WCB(DIN1.0619).