Disc/Plug is a critical sealing component in pressure relief valves that opens to release excess pressure and closes to maintain system integrity.
The Disc/Plug is a precision-engineered component in pressure relief valves that serves as the primary sealing and pressure-release mechanism. It consists of a disc-shaped or plug-shaped element that seats against a valve seat under normal operating conditions. When system pressure exceeds the predetermined set pressure, the disc/plug lifts off the seat, allowing fluid or gas to escape and relieve pressure. The component must maintain tight sealing during normal operation while responding precisely to pressure changes to prevent system damage or failure.
诱因 → 失效模式 → 工程缓解
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A disc is typically flat and seats against a flat or angled seat, while a plug is conical and fits into a matching seat. Discs are common in conventional relief valves, while plugs are often used in pilot-operated valves. Both serve the same function but have different geometric designs.
Inspection frequency depends on service conditions. Generally, inspect annually or after every relief event. Replace if there is visible wear, corrosion, or damage to sealing surfaces. Follow manufacturer recommendations and regulatory requirements for specific applications.
Minor surface imperfections can sometimes be repaired by lapping or machining, but this requires specialized equipment and expertise. Significant damage, corrosion, or wear typically requires replacement to ensure proper sealing and safety performance.
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CNFX 制造商资料、技术分类、公开产品信息和持续合理性检查。
说明目标数量、应用场景、交期和关键技术要求,用于准备 RFQ 或供应商评估。