{"id":18813,"date":"2026-10-12T12:27:01","date_gmt":"2026-10-12T12:27:01","guid":{"rendered":"https:\/\/oudianvalve.com\/?p=18813"},"modified":"2026-10-12T12:27:01","modified_gmt":"2026-10-12T12:27:01","slug":"what-is-a-parallel-slide-gate-valve","status":"publish","type":"post","link":"https:\/\/oudianvalve.com\/es\/2026\/10\/what-is-a-parallel-slide-gate-valve\/","title":{"rendered":"What Is a Parallel Slide Gate Valve"},"content":{"rendered":"
A parallel slide gate valve is an isolation valve designed to transmit and isolate fluid flow across piping systems using two parallel discs that slide between parallel body seats. Sealing relies on upstream line fluid pressure pushing the downstream disc firmly against the downstream seat rather than mechanical wedging force. This configuration provides dependable bidirectional isolation in severe operating environments while maintaining a compact axial profile along the pipeline.<\/p>\n

System designers select this design when pipelines experience extreme temperature swings or elevated fluid pressure that would otherwise cause mechanical locking in conventional valves. Construction utilizes cast or forged carbon steel, stainless steel, and specialized alloys equipped with hardened seating faces to withstand aggressive service conditions.<\/p>\n

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