AH42F, A42F gas relief valve and ball valve difference is bigger, we can distinguish from the function to go up and ball valve and AH42F different role, A42F gas safety Industrial Valves, from ball valve and distinguish AH42F, special A42F gas safety Industrial Valves structure. 【 Functional difference between 】 AH42F, A42F gas safety valve is suitable for the working temperature in - 40 ~ 80 ℃ of liquefied petroleum gas on the liquid outlet pipe of import and export pressure difference when 0. 5 mpa liquefied petroleum gas (LPG) can automatically back into the tank. Ball valve and AH42F, A42F gas relief 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 】 AH42F, A42F gas safety valve ball valve' Summary 】 AH42F, A42F gas relief valve and ball valve and 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.
In the past few decades, resilient seal gate valve production has increased because of the use of ductile iron gate valve.
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