WA42Y bellows balance type relief valve and ball valve difference is bigger, we can distinguish from the function to go up and ball valve and WA42Y balance different role of safety valve, bellows from ball valve and distinguish WA42Y bellows balance valve structure. 【 Functional difference between 】 WA42Y bellows balance type relief valve is suitable for the working temperature of 200 ℃ or less back-pressure unstable or poisonous, corrosive medium equipment or piping, as the overpressure protection device. Widely used in petroleum, chemical industry, power plant and other industries. Ball valve and WA42Y bellows balance safety 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 】 WA42Y bellows balance safety valve ball valve' Summary 】 WA42Y bellows balance the 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.
double flanged gate valve are all following the most compatible manufacturing regulations.
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