2, for the same kind of vacuum valves should pass structure, performance, depending on a parameter, suit to use range, efficiency of air leakage, tightly closed material, using the method of comprehensive factors selected after comparing the valve figure number. But most scores of vacuum valve is used on vacuum pump group. 7, type and basic parameter of electromagnetic valves I Marine Industrial Valves industry standards have been established. 3, vacuum valve drive form of a manual, electric, pneumatic three. 8, vacuum diaphragm valve, because of simple structure, big and small, light weight, tight sealing performance is satisfactory, suitable for use in the former stage and drainage pipeline and the temperature was minus 25 ℃ ~ 80 ℃ non-corrosive gases. 。 Q: a vacuum valve selection principles: 1, to the ordinary structure principle understanding of all kinds of vacuum valves. 6, ultra high vacuum valve commonly used in ultra high vacuum system. 4, install air relief valve in the vacuum chamber, according to the vacuum several indoor gas flow, needs the time to vacuum chamber varies, choose the vent valve type. 5, vacuum valve can be used alone, equipped with layout in the vacuum chamber and the pump on the vacuum chamber by accident. Think appropriate and use the driving form of the Industrial Valves from the vacuum system needs to consider problem. 9, glass vacuum piston, ( Also called kock) More used in the survey of vacuum calibration system and glass vacuum system. Be sure to components is essential for normal vacuum system. 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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