Transcription of relief valves - Circle Seal Controls
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relief valves - Circle Seal Controls
relief valves500 SeriesAdjustable Popoff & Inline relief to 150 psig (10 bar)How it WorksClosedResilient seal design prevents leakage. Sealing effi ciency increase with increased pressure up to cracking pressure. Metal-to-metal poppet stop supports spring load, prevents system pressure overcomes spring force, poppet opens. As pressure continues to rise, variable orifi ce between poppet and body increases, allowing greater fl seal automatically establishes line of contact with spherical seat. Seal provides zero leakage at or inline valvesAdjustable crack pressureZero leakageOptional factory presetAccurate set pressureWide range of cracking pressureTam p e r- p ro o f a djus t m e nt10 0% seat leakage testedPED certifi cations and CE marking available for most modelsApplications System overpressure protection Storage tanks Freon recovery systems Medical equipment Refrigeration & heating equipment Measuring & dispensing pumps Communications equipment Process control instruments R & D pilot plants Vacuum pump safetyTechnical DataBody Construction MaterialsAluminum, brass, 303 or 316 stainless steelO-ring MaterialsBuna N, ethylene propy
relief valves 500 Series Adjustable Popoff & Inline Relief Valves 0.5 to 150 psig (10 bar) How it Works Closed Resilient seal design prevents leakage.
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