Gas type ( 空气打开) Is when the membrane on the surface of the head the sky atmospheric pressure force increases, the valve to increase the opening direction of the movement, when to enter the atmosphere pressure maximum, the valve is in the whole paper. Its atmospheric pressure force increases, the direction of the valve to close actions; Empty atmospheric pressure force decrease or not, the direction of the valve to open or the entire paper. Q: pneumatic - valve structure and work principle of answer: with the progress of the people the floorboard of the social form of labor, regulating valve, experienced a particularly long stage in now in the semi-automatic stem of modern factory, the utility of regulator plays a very matter, and now the pneumatic control valve is a power, fuel, smelting metal, chemical and other industries widely used industrial process stem instrument of a Marine valves. Type gas clearance ( 空气关闭) Movement direction as contrary to gas open type. 。 Below I will be careful to explain for everybody hate regulator on internal substance. So sometimes gas type valve is called fail closed type ( 失败关闭FC) 。 Its atmospheric pressure, in turn, reduced hours, valve to close the direction of movement, when no input air, the valve full close. Pneumatic - Industrial Valves structure and work principle of pneumatic control valve action points gas open type and close type pneumatic control valve action points gas open type and close type two kinds. Pneumatic control valve of the unique place is stem simple, reaction is rapid, and the essence of safety, no extra to adopt explosion proof treatment method. Pneumatic control valve by pneumatic actuators and commonly regulator petition after the formation of the combination instrument to install. Pneumatic control valve is with compressed air as power source, with cylinder as actuator, and by means of electric valve positioner, switch, solenoid valve, a valve to drive the valve such as attachment, successfully switch amount or proportion of type adjustment, after finish work industry semi-automatic stem stem signal system to complete adjustment pipeline medium: flow, pressure, temperature, etc. All kinds of craft parameter. 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. The factory provides professional ball valve, butterfly valve, gate valve, globe valve, check valve, relief valve, safety valve, Marine valve, oil valve, hydraulic control valve and other kinds of valves.
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