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Knife gate valves are an excellent choice for low-pressure pipelines handling contaminated media such as fibers, particles, slurries, sludge, and sewage. For high-pressure applications, other more robust valve types (such as globe valves, ball valves, and gate valves) should be considered.

The maximum allowable working pressure of a valve decreases as the temperature of the medium increases. A pressure-temperature rating table is typically provided on the valve nameplate or product catalog.

Pump Outlet Protection: Prevents backflow of media from damaging the impeller when the pump is stopped. Compressor Piping: Maintains unidirectional gas flow. Water Supply System: Prevents backflow contamination in the pipeline network (DVGW certification is required to meet drinking water standards).

Wafer check valve- Duralble plates check valve, also known as reverse flow valve, non-return valve, back pressure valve, one-way valve, is an automatic valve.