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Ball Valve Cavity Pressure Relief: Trapped Liquid, SPE/DPE Seats And External Relief Valve Design

Trapped-liquid overpressure in DBB/DIB ball valves: thermal expansion arithmetic, SPE vs DPE seats, external cavity relief valve setting and the fire case.

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November 04, 2026

Ball Valve Cavity Pressure Relief: Trapped Liquid, SPE/DPE Seats And External Relief Valve Design

Trapped-liquid overpressure in DBB/DIB ball valves: thermal expansion arithmetic, SPE vs DPE seats, external cavity relief valve setting and the fire case.

Manufacturer and supplier of industrial valves, including Floating Ball Valves, Trunnion Ball Valves, Flanged Gate Valves, Welded Gate Valves, High Pressure Gate Valves, Globe Valves, Swing Check Valves, Double Disc Wafer Check Valves, Y Strainers , etc. For more information, please send us your email .

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