3PC Full/Reduce Port Stainless Steel Butt Welding Ball Valve(1000WOG/2000WOG) Model:Q61F Main size: 1/4" 3/8" 1/2" 3/4" 1" 1-1/4" 1-1/2"2" 3"4" Nominal pressure:2.5,4.0,6.4Mpa(1000PSI) Applicable media: Water oil. steam. Nitric acid. Acetic Acetic acid. Materials of main parts: Body: WCB CF8 CF8M Ball: SS304 SS316 Stem: SS304 SS316 Packing: PTFE Packing Gland:SS304 Gasket: SS301 Bolt:B8 Stem Seal:PTFE Spring Washer:SS301 Stem Nut: SS304 Seat;RPTFE Handle:SS304