Relief Valves

Circle Seal Controls - RV99-700 Series Pressure Relief Device

Applications include thermal relief for GH2 fuel systems and tanks, and for on-vehicle and filling station operations.

  • PRD-1 compliant 700 bar PRD
  • Bubble tight leakage less than 10ncc/hour
  • Eutectic material for activation only
Technical Data

Specifications

  • Operating Pressure: 10,150 psi (700 bar)
  • Proof pressure: 15,000 psi (1034 bar)
  • Operating temperature range −65° F to +275° F (−54° C to +135° C)
  • Activation temperature 219° F (104° C)
  • Flow: 90SCFM of air at 100 psid
  • Materials of construction: 316 SS, Buna-N seals, Teflon® backup rings