Instrumentation Ball Valve for vacuum system and semiconductor equipment: Our firm also can offer you 1-PC & 2-PC & 3-PC instrumentation ball valve which max working pressure are 1000 PSI and working temperature range - 20¢FX ~ 180¢FXC , in AP or BA grade is available. RO cleaned in clean room packaged with class 1,000 & Oil free , Helium leak test. The approved dimension from 1/4" ~ 3/4" in 316 grade. Price, MOQ, deliver time are for reference only, please contact us for correct quotation and product details