Pilot Operated Safety Relief Valve HVP-501


  • Pilot Operated Safety Relief Valve HVP-501

Applicable Standard

  • Design Standard: API 520
  • Performance Standard: API 526
  • Seat Tightness Test: API 527
  • End Connection: Screwed To ASME B 1.20.1, Socket Weld To ASME B 16.11, Butt Weld To Asme B16.25, Flanged To ASME B 16.5

Product Applications

The pilot operated safety relief valve is used for safety purpose in Oil and Gas industries. The pilot operation make these valves ideal for industrial applications in Oil and Gas.

Product Specification

  • Size: 1" X 2” Thru 8” X 10”
  • Rating: 150# X 150# & 2500# X 300#
  • End Connection: Flange End
  • Blow Down Pressure: 10% To 15% Less Then Of The Set Pr.
  • Hydrostatic Test Pressure: 1.5 Times The Set Pressure
  • Overpressure: 10% To 21% Of The Set Pressure
  • Orifice Designation: D Thru T
  • Material: Web, Wc1, Wc6, Wc9, Lcb, LCC, Lc3, C5, C12,Cf8,Cf8m,Cf3, Cf3m,Cf8c, Cn7m, Cd4mcu, Hastelloy,Inconel, Duplex Stainless Steel

Product Features

  • Pilot Sensing Element
  • Full Lift Pop Type Design
  • Full Lift Modulating Type Design
  • Stellited Nozzle & Disc Seating Area
  • Floating Type Balance Seat Design
  • Piston Op. Pilot Design For Pop Action
  • Diaph. Op. Pilot Design For Modulating

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