High Purity Gas Cylinder Valves

High Purity Gas Cylinder Valves High Purity Gas Cylinder Valves Parameters ———————— Working pressure：20MPa Temperature range ：-40℃～65℃ Outboard leakage rate:≤ 1×10-8 mbar·l/s Inboard leakage rate: ≤ 1×10-8 mbar·l /s Gas type: HP, flammable, oxidizing...