1PC Reduce 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" 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 Sealing:PTFE Stem Packing:PTFE Packing Gland:SS304 Spring Washer: SS301 Handle:SS304 Cap:SS304,SS316 Seat:RPTFE