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 Refrigeratio
237 500 series 37)( w/gas slight leakage 1 cc/min. max. allowed silicone & epr 37)(w/liquidstandard seal* reseal pressure for: cracking pressure min. reseal pressure cracking pressure - psi
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