H42H, H42W flange vertical check valve and ball valve difference is bigger, we can distinguish from the function to go up and ball valve and H42H, H42W flange vertical check different effects, from ball valve and H42H, H42W flange distinguish between vertical check valve structure. 【 Functional difference between 】 H42H, vertical H42W flange check valves of this series valve is normally closed, due to the pressure of the inlet medium in the pipeline, and to overcome the spring resistance makes the valve opens. When the inlet pressure of medium below the outlet, the spring into the valve core seat and make the valve closed, stop medium counter-current, start-stop function back. Due to the spring supporting valve core, the vertical or horizontal installation is adopted. Ball Industrial Valves and H42H, H42W flange vertical check valve difference is bigger, ball valve, 球阀) Opening and closing is a sphere, driven by the valve 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 】 【 H42H, H42W flange vertical check valve ball valve Summary 】 H42H, H42W flange vertical check 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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