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Valve seats are essential sealing components within valves that provide a surface against which the valve disc, plug, or ball rests to stop or regulate flow. They are critical in ensuring tight shut-off and efficient operation of valves under various pressure and temperature conditions. Made from materials such as PTFE, RPTFE, PEEK, Devlon, or metals like SS316, valve seats are used in ball valves, globe valves, and control valves. They are widely used in industries such as oil & gas, water treatment, chemical processing, and pharmaceuticals, where reliable sealing and durability are essential.
Valve seats are designed for high wear resistance, chemical compatibility, and thermal stability. Their performance directly affects the valve’s leakage rate, torque requirement, and service life. Soft seats (like PTFE, RPTFE) offer better sealing in low-pressure systems, while metal seats withstand high temperatures and abrasive media. Seats can be replaceable or integral, depending on valve design. Precision machining and proper seat selection enhance operational reliability and reduce maintenance. Their role is critical in ensuring leak-free, safe, and efficient fluid control.
