6, according to the background to choose help function: explosion-proof, check Marine valve, manual, waterproof, water spray, fog dive. 3, on the basis of depending on a parameter selection pressure solenoid valve: principle and structure of varieties of 1) Nominal pressure: the meaning is the same with other general Industrial Valves parameter, is based on nominal pipe pressure; 2) Office pressure: if office pressure low, be sure to choose straight moving or step by step straight acting principle; The lowest office pressure difference at 0. More than 4 mpa straight acting, step by step straight acting, guiding type all can choose. Selection based on: 1, according to the pipeline depending on a parameter selection of electromagnetic valve: size specifications ( The DN) , the interface form 1) According to the present pipeline or flow required to confirm the size (diameter DN) Size; 2) Interface form, general & gt; (to select flange interface, (or less can free choose according to user requirements. 4, electric pick: voltage specification should try our best to give priority to choose AC220V, DC24 more convenient. 。 2, on the basis of fluid depending on a parameter selection of electromagnetic valve: material, temperature group 1) Corrosive fluids, appropriate chooses corrosion-resistant solenoid valve and all stainless steel; Super clean fluid: appropriate chooses food grade stainless steel solenoid valve; 2) High temperature fluid: to choose the right and use high temperature resistant electric material and tightly closed material electromagnetic valve, and to choose the piston structure types; 3) Fluid status: to have a state of gas, liquid or mixed state, especially when diameter greater than DN25 must distinguish; 4) Fluid viscosity: general under 50 CST can be arbitrary choice, if more than this value, should choose high viscosity solenoid valve. 5, on the basis of continuous jagged office time to choose: normally closed, normally open, or can be continuous electricity 1) When the solenoid Industrial Valves needs long time to open and continuous time than closing time to choose the normally open type; 2) If open time is short or not for a long time and off time, had chosen normally closed type; 3) But a bit for security tried to take care of conditions, such as furnace, furnace flame monitoring test, is not can choose normally open, should choose to operation for a long period of time. Selection according to the electromagnetic valve selection should first in order to follow security, reliable, suitable for use, the economy of the four principles, the second is based on the six aspects of present condition, The pipe, fluid parameter, pressure parameter, electrical parameter depending on a parameter, the form of action, special requirements of selected) 。 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 Industrial Valves, hydraulic control valve and other kinds of valves.
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