Van QF2D Giá: Liên hệ The QF Series valves are designed for use with oxygen and all fuel gases at station outlets of line distribution systems such as welder’s benches, cutting stations, hospital rooms, ect. Features: - For use with Air, Oxy, Nitrogen, Argon, Helium… - Maximum working pressure: 250 kg/cm2 - All valves cleaned for use in oxygen.