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Gate valve disc (wedge/seat) wear is a common failure mode in industrial systems. Typical symptoms include internal leakage, incomplete shut-off, increased operating torque, or visible damage to sealing surfaces. Whether the valve disc can be replaced on site depends on the valve construction, sealing design, and actual service conditions. The conclusion is straightforward: in some cases replaceme...
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Valve pressure rating is one of the primary parameters used to determine whether a valve can safely operate in a specific piping system. In industrial applications, pressure class does not simply represent the maximum working pressure of a valve. The actual pressure capability depends on the pressure-temperature rating defined by standards such as ASME B16.34, as well as valve materials, design co...
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