HX2, HXF2 with double over breathing valve and ball valve difference is large, we can distinguish from the function to go up and ball valve and HX2 HXF2 with double control of the different function of breathing valve can also be from ball valve and HX2, distinguish HXF2 with double over breathing valve structure. 【 Functional difference between 】 HX2, HXF2 with double over breathing valve is to maintain tank pressure balance, reduce medium volatile security energy-saving products. With double over breathing Industrial Valves is crude oil, gasoline, kerosene, light diesel oil, aromatic hydrocarbons and other fixed roof tank on the indispensable main security equipment, can rise to prevent evaporation loss and protect the tank from damage when the overpressure or vacuum. Ball valve and HX2 HXF2 with double over breathing valve difference is bigger, ball valve, 球阀) Opening and closing is a sphere, driven by the Industrial Valves stem, and for ball valve axis rotate 90 & deg; Open or closed. Can also be used on regulation and control of fluid, mainly used for cutting in line, distribution, and change the flow direction of medium, good sealing, convenient operation, opening and closing fast, simple structure, small volume, small resistance, light weight, etc. 【 Physical difference between 】 HX2, HXF2 with double over breathing valve' Summary 】 HX2, HXF2 with double over breathing valve and ball Industrial Valves and using the difference function, are quite different in application, in the selection of a certain need to pay special attention to diameter, pressure, material and use of media, whether at design time, or in the purchase, must be in strict accordance with the relevant technical requirements.
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