2PC Full Bore Stainless Steel Ball Valve with Internal Thread(1000PSI-2000PSI) Main size: 1/4" 3/8" 1/2" 3/4" 1" 1-1/4" 1-1/2" 2" 2-1/2" 3" 4" Nominal pressure: 1. 6. 2. 5. 4. 0. 6. 4Mpa Applicable media: Water oil. Steam. Nitric acid. Acetic acid. Materials of main parts: Body: CF8 CF8M Ball: SS304 SS316 Stem: SS304 SS316 Seal Gasket: PTFE Packing: PTFE Nut:SS304 Gasket Washer:SS301 Cap:CF8,CF8M Seat:RPTFE Handle:SS304