Pressure Reducing ValveChina Nitrogen N2 Gas Regulator with Two Pressure Gauge & Flowmeter Sam Won Swr-080 South Korean Type Style 25L/Min 250bar 25MPa 10kgf/Cm2 W22-14 Cga540 510, Find details about China Reducer, Pressure Reducer from Nitrogen N2 Gas Regulator with Two Pressure Gauge & Flowmeter Sam Won Swr-080 South Korean Type Style 25L/Min 250bar 25MPa 10kgf/Cm2 W22-14 Cga540 510