J49H, J49W whose hands type valve and ball valve pressure difference is bigger, we can distinguish from the function to go up and whose hands type valve ball valve and J49H, J49W pressure different effects, from whose hands type valve ball valve and J49H, J49W pressure structures. 【 Functional difference between 】 J49H, whose hands type J49W pressure valve is made up of flange connection, applies to oil, water, gas and other non corrosive or corrosive medium, suitable for - 29℃～+440℃ - 70℃～- 240℃ ≤540℃ ≤570℃。 Than other types of valve, pressure meter hand type valve has better sealing performance and the ability to tolerate stress, generally used for small flow high pressure gas or liquid medium sealing, the most appropriate and cooperate with pressure gauge. Ball valve and J49H J49W whose hands type valve pressure difference is bigger, ball Industrial Valves, 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 】 Whose hands type valve 【 J49H, J49W pressure Summary 】 J49H whose hands type valve and ball valve, J49W pressure difference on and use 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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