2, the electromagnetic valve - Function classification of water with gas solenoid valve solenoid valve bore diameter steam refrigeration solenoid valve solenoid valve the 3-way magnet valve (solenoid valve with signal feedback cryogenic solenoid valve guiding type solenoid valve cryogenic gas solenoid valve solenoid valve electronic pulse of aluminium alloy electromagnetic valve diaphragm type fire electromagnetic solenoid valve for ammonia gas solenoid valve solenoid zero start working pressure solenoid valve solenoid valve ultra high temperature liquid water solenoid valve solenoid valve micro electromagnetic valve turnbuckle in high pressure piston solenoid valve solenoid valve normally closed electromagnetic valve hot water electromagnetic valve electronic pulse electromagnetic valve two five-way solenoid valve hydraulic solenoid valve normally open solenoid valve oil with dc electromagnetic solenoid valve two the 3-way magnet valve (corrosion resistant solenoid valve solenoid valve solenoid valve signals into the water high pressure solenoid valve Angle of 90 degrees electronic pulse electromagnetic valve stainless steel flange solenoid valve solenoid valve molecular compound plastic electromagnetic valve explosion-proof solenoid valve is adjustable flow solenoid valve lift straight solenoid valve solenoid valve vacuum electromagnetic valve to brass. Q: electromagnetic valve belong to what? Answer: a, electromagnetic valve in principle can be divided into three categories: 1) Direct acting solenoid valve: principle: electricity, electromagnetic coil initiation electromagnetic energy security barrier closed from the seat, the valve open; Power, the electromagnetic energy away, press on the seat, spring guard barrier closed valve shut off. When entrance and differential pressure of the export to begin to work, after electrify, electromagnetic energy pilot valve, main valve inferior vena pressure rise, the cavity pressure loss, therefore using differential pressure pushed the main valve aspirant away; Power outages, pilot valve using the spring force or medium pressure push off a Marine valve, move down, to close the valve. Unique place: when the zero differential pressure or vacuum and high pressure also can * action, but power is larger, requirements must be water there is no danger. Unique place: maximum high fluid pressure range, can be arbitrary installation ( Need to customize) But make sure you satisfied fluid differential pressure conditions. Unique place: in a vacuum, negative pressure, can normal office when the zero pressure, but not more than 25 mm size ordinary. 1. Electromagnetic valve from the valve structure and material is different with the difference principle, divided into six branches small classes: straight moving membrane structure, membrane structure, the forerunner of moving step by step, straight moving piston structure, membrane structure step by step piston structure, the forerunner of moving piston structure. 2) Step by step direct acting solenoid valve: principle: it is a direct acting and pilot operated the principle of phase conjugation, when the inlet and outlet no pressure difference, after electrify, electromagnetic energy the pilot valve and main valve closed directly to a progressive aspirant, open the valve. 3) Guiding type solenoid valve: principle: electricity, electromagnetic energy to the guide hole open and chamber pressure on a sudden loss, low in close formation around a high differential pressure, fluid pressure push close a progressive movement, the valve open; Power off, the spring force to close the guide hole, inlet pressure rapidly-changing chamber through the bypass hole under the closed valves on the enclosed form and low high differential pressure, fluid pressure push close move down, close the valve. 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 Industrial Valves 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. 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