... Detailed Product Description:Working Pressure: 15MpaNominal Diameter: 4 mm....Medium: O2,N2,AIR,CO2Outlet Thread: G5/8 ....Inlet Thread : GB8335 PZ27 ... of valves for various gas cylinders. It mainly produces gas cylinder valves, gas pipe valves, industrial gas decompressors, civil liquid gas boosters, brass ball valves ... Time : In 25 days after 30% T/T Paid Top Gas Cylinder Valve QF-7D4