1-PC Stainless Steel Ball Valve,Reduce Port,1000WOG,PN63,CF8M/CF8,SS316/SS304,1.4408/1.4301 Materials of main parts: Sealing: PTFE Packing: PTFE BALL: 304 316 Stem: 304 316 Valve body: WCB ,CF8, CF8M Description: Stainless Steel Ball Valve,with threaded ends ,BSPT,NPT .DIN259,DIN2999 Applicable media: Water Oil ,Steam, Nitric acid, Acetic acid. Nominal pressure: 1.6. 2.5. 4.0. 6.4Mpa Main size: 1/4" 3/8" 1/2" 3/4" 1" 1-1/4" 1-1/2"2"