A27H, A27W, A27Y spring type external thread safety valve and ball valve difference is large, we can distinguish from the function to go up and ball valve and A27H, A27W, A27Y micro rev. Type the different function of external thread the relief valve spring, from ball Industrial Valves and A27H, A27W, A27Y spring up tiny qi type external thread safety valve structure. 【 Functional difference between 】 A27H, A27W, A27Y spring tiny qi type external thread the relief valve is suitable for the working temperature of 200 ℃ or less of the media such as water, air, steam equipment or piping. A27Y is suitable for the working temperature of 200 ℃ or less corrosive medium equipment or piping, as the overpressure protection device. Ball valve and A27H, A27W, A27Y spring tiny qi type external thread safety valve difference is bigger, ball valve, 球阀) Opening and closing is a sphere, driven by the Industrial Valves stem, and for ball Industrial Valves 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 】 A27H, A27W, A27Y spring tiny qi type external thread safety valve ball valve 【 Summary 】 A27H, A27W, A27Y spring type external thread safety 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.
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