We are specially engaged in the research and production of gas cylinder valves Max WP (MPa) : 15DN (mm): &Phi34 Medium :N2OOutlet thread: 825-14NGO-RH-EXT Inlet thread: PZ27.8 or 3/4-14NGTSafety device: 21± 5MPaStructure type: Needle type valve CGA326, gas valve ,cylinder valve