HTXD series pilot operated safety valve

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• Performance • The allowable tolerance of the set pressure ≤± 3% of the set pressure • Overpressure: ≤ 10% of the set pressure • Blowdown: ≤ 10% of the set pressure • Tightness:The valve have good seat tightness,conforms to API Std 527 Features • The soft seat design provides good seat tightness before and after each relief cycle • The system can be operated nearer set pressure without valve leakage • No more overpressure required for full lift of main valve • Proper valve operation and lift are unaffected by back pressure • Adjustable blowdown • Non-flowing pilot reduces product loss and environmental pollution • Quick simple verification of set pressure while valve remains in service Codes and Standas：API527； API 526；ASME Ⅷ

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Beijing Zhonghanghua Safety Valve Sales Co.,LTD

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