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Pilot Operated Safety Valve Manufacturers

Pilot Operated Safety Valv

Pilot operated safety valve, newly -structure, is mainly applied to such trades as petroleum & natural gas, Chemistry, electric, metallurgy & burning gas. It is the best super-pressure protecting equipment on press equipment, Container, or pipeline.

Series - 150 To 900

It is mainly characterized by shifting direct function of spring to indirect function of guide valve, What’s more, main valve, applying for sleeve piston & double sealed seat. It is characterized by high precision of action, good recycling function, fast turning back to seat, ability to high-pressure leaking, long working time & security, together with read-adjustment on line, automatic turning back to seat after leaking again and again, tight closure, operating and maintaining convenience.

Design Features
  • Pilot operated safety valve, newly-structured, is mainly applied to such trades as petroleum & natural gas, chemistry, electric, metallurgy & burning gas etc
  • It is the best super-pressure protecting equipment on press equipment, container, or pipeline
  • It is mainly characterized by shifting direct function of pilot valve to indirect function of main valve
  • The main valve, applying for sleeve piston, is characterized by high precision of action, good recycling function, fast turning back to seat, ability to high-pressure leaking, long working time & security, together with readjustment on line, automatic turing back to seat after open again and again, tight closure, operating and maintaining convenience
Product Specifications
  • Size 1″-8″ DN25-DN200
  • Pressure Class "150, 300, 600, 900" | PN16-PN160
  • End Connection Flange (FF, RF, RJ)
  • Body Material WCB, LCB, CF8, CF8M, CF3M
  • Disc Material 304+F46, 316+F46, Monel+F46, 316L+F46
  • Spring Material 316, Inconel
  • Stem Material A182 F6a, 304, 316, 17-4PH, F11
  • Design Standard API RP 520
  • Face to Face Standard API 526
  • Test Standard API 527
  • Temperature Range -196℃~650℃
  • Actuator Options Pilot Operated
    Structure Style
  • Pilot Operated, Angle
    Connection Standard
  • Flange Drilling: ASME B16.5, ASME B16.47, GB/T 9113, JB/T 79
  • Butt Weld: ASME B16.25, GB/T 12224
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