Z44H, Z48H fast drain valve and ball valve difference is bigger, we can distinguish from the function to go up and ball valve and Z44H different role, Z48H fast drain valve, can also from ball valve and distinguish Z44H, Z48H fast drain valve structure. 【 Functional difference between 】 Z44H, Z48H fast drain valve is by the gate has evolved, through a gear turns 90 ℃ stem promote the realization of the aim of opening and closing. Fast drain valve is directly depend on the effects of the force to help the medium pressure in the disc of the mechanical load on the seal, the mechanical load acting on disc is mainly from the compression spring, this is almost fixed mechanical load; Although for compression spring, load can drain Industrial Valves by adjusting the spring force to achieve good sealing, but the seal differential pressure must be strong enough, to ensure enough sealing force, which in the normal operation of valve seal, seal differential pressure should also be smaller than the opening and closing pressure difference, in order to ensure open and flexible. Ball valve and Z44H, Z48H fast drain 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 】 Z44H, Z48H fast drain valve ball valve' Summary 】 Z44H, Z48H fast drain valve and ball valve 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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