Four, electric valve of specific analysis of China's electric valve product market with the continuous progress of science and technology, also in the high technology content, high depending on a parameter, strong corrosion resistance, high survival of the direction of progress. Marine valve 2. Office properties: electric valve is common with motor, voltage impact resistance. Electric valve opening can restrict condition are open, close, half open and half close, can curb the pipeline medium quality traffic and 3 solenoid valve can not reach the requirements. Using process: suitable for electric valve used to adjust, also has the switch quantity, such as: fan coil terminal. 1. Switch mode: electric valve is normal with motor, on or off action needs a certain amount of time to mimic, can do to adjust. Electric valve: can have AI feedback signal, can by the DO or AO stem is found in large pipe pretty breeze valve, etc. It can be divided into two local, local to the upper electric actuators, the second half of the local for the valve. Electric valve using electricity as the power to turn on the electric actuator drive valve, successfully implement switch, adjust the action of the valve. Office principle a: q: electric ball Industrial Valves drive an electric valve, in a nutshell is to use electric actuator stem valves, so the successful implementation and off of the valve. Solenoid valve is closed fast and fast, normally used in the small flow rate and pressure, require switching frequency bigger place of electric valve in contrast. 2. Fuel, natural gas long distance pipeline with valve fuel, natural gas long distance pipeline with valve mainly to the United States API6D standard single or double ram disc, with diversion hole or without diversion hole plate gate Industrial Valves; Forged steel or cast steel three postures, actors dress up or completely welded the fixed ball ball valve; 。 In half a high degree of automation of the facilities of a set of use. So the switch of the pipeline medium or adjust goals are met. 。 According to the analysis of the inside and outside the electric valve technology and the inside electric valve operating retail stores need analysis, discussion of seventy-two lines in recent years in industrial electric valves and electric valve industry development direction and the direction of investment, high-tech progress as follows: 1. Fuel, natural gas wellhead with valve fuel, natural gas wellhead with Industrial Valves is mainly in accordance with the API6A standard single or double ram disc, diversion hole or without diversion hole parallel forged steel gate valve, slurry valve, throttle valves, oil field water for parallel type control valve, the oil field for straight-through non-return valve, parallel gate valve for water injection polymer, a clamp parallel gate valves, pilot operated relief valve and check valve. Three, use of electric valve, electric valve, used in liquid, gas pretty breeze system a management way medium flow mimic the adjust of stem is AI. Second, electric valve operating principle: electric valve generally signed up by the electric actuator and valve, by installing adjusted into electric valve. 。 At large in the stem of the valve pretty breeze system can also be made two switch electric valve stem. Solenoid valve is a category of electric valve; Initiation is the use of electromagnetic coil magnetic field to drive the valve core, so change the valve on and off, power coil, valve core is depends on the pressure of the spring back. Electric valve is divided into two kinds, a kind of for quarter-turn electric valve: from the Angle of the trip of electric actuator suitable quarter-turn valves apply, successful implementation within 90 - degree spin valve stem pipe flow on and off; Another to keep travel electric valve: by straight travel electric actuator suitable straight trip valve is applied, the successful implementation valve plate up and down motion stem pipe flow on and off. Notes to the order: The national standard) A, A: B: product name, model, nominal size medium and temperature, pressure range C: whether there is attachment, delivery time, and special requirements so that we can correct selection for you. Second, if the valve has been selected by design unit of our company model, please order according to the valves parameters directly with our sales center. Three, it is very important when you use the occasion or the environment is more complex, would you please provide design drawings and detailed parameters, our engineers experts will concentrate on review and analysis for you. We can provide you with professional solutions, including design, customization, complete, operation and service. We've been working on the valve leader in the field of industry, to provide you with the latest knowledge of the valve, the best service, best technical adviser. Thank you for visiting our website, if you have any questions, you can call us, we will be dedicated to provide you with quality services. 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