OEM Gas Valve Hpb 57-3 two way gas valve, ISO228 two way gas valve.Trident gas valve 1/2" x 10.5mm x 10.5mm, 1/2" x 16mm x 16mm Male x Double Hose Connector Two Way 72.5 psi Brass Gas Ball Valve Copper gas valve gas valve butterfly valve handle 4 minutes steel wire double steel wire double fork pressure reducing valve in Pagoda Brass Valve Body: High-density forging, no blister, no air holes, no leakage. Made by special high precision CNC machines. Brass Bonnet: High-density forging, no blister, no air holes, no leakage. Made by special high precision CNC machines. Brass Flap: With hard sealing structure, is not easy to abrade after long-term use, with excellent sealing performance, and can be used in various environments. Can be customized.OEM Gas Valve website:http://www.winsoems.com/brass-valve/gas-valve/