Safety Relief Valves – Disc & Seat – HC Series

1 1/2"-3" NPT - ANSI Class 150, 300, 600, 900, 1500

CIRCOR Energy is pleased to offer the HC Series as part of our safety relief valves portfolio. Below is a list of features that will enable you to better understand its capabilities.


  • Disc & O-ring soft seat design provide high flow
  • Bubble tight seal for various relief applications
  • Inlets from 1 1/2"-2" NPT with set pressures to 2000 PSI
  • 1 1/2" x 1 1/2" - 3" x 4" flanged sizes
  • ASME semi-nozzle fixed blowdown valve

If you would like additional information, please click on any literature link below or Contact Us directly so that we may provide you with detailed specifications.




*Product Summary Catalog
PDF Size: 1.2MB
Legacy Series Brochure
PDF Size: 1.9MB
Safety Relief Valves - IOM Series HC - Closed Cap
PDF Size: 135KB
Safety Relief Valves - IOM Series HC - Open Lift Lever
PDF Size: 155KB