The application of petrochemical industry, electric valve
1. Oil, natural gas wellhead with valve oil, natural gas wellhead with valve mainly American API6A standard single or double ram disc, with diversion hole or without diversion hole parallel forged steel gate valve, slurry valve, throttle valves, oil field for parallel type control valve, the oil field for straight-through type check valve, parallel gate valve for water injection polymer, a clamp parallel gate valves, pilot operated relief valve and check valve. 2. Oil and gas long distance pipeline with valve oil, natural gas long distance pipeline with valve mainly for American API6D standard single or double ram disc, with diversion hole or without diversion hole plate gate valve; Three postures, forged steel or cast steel jacket type or all welded type fixed ball ball valve; Oil seal or pressure balance plug valve; Swing or butterfly check valve, ball check valve; Pigging valve, etc.