3PC stainless steel welded ball valve Brief description: 1) Size: 1/4~8" 2) Working pressure: 1.6-6.4mPa 3) Temperature range: -20°C ~ 232°C ~ 350°C 4) Suitable medium: water, oil, air, some corrosive liquid 5) Connetion type: welded, TC, threaded 6) We can also manufacture similar products according to your special requirements