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Halkey Roberts

Pressure Relief Products


780 PRV

Product Information

The 780RPP Pressure Relief Valve is used in a wide variety of inflatable products such as life rafts and boats, life vests, and safety evacuation slides.

Accessory parts:

Flange Types
Neoprene flange used for bonding to rubber coated fabric
787SPFU Urethane flange used for RF welding to a urethane coated fabric
Cap Assembly
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Features and Benefits

  • High flow capabilities
  • Provide precision relief over a wide range of differentials
  • Compact and lightweight: approx. weight 0.6 ounces (17 grams)
  • Available with or without flanges for mounting flexibility
  • Individually calibrated and tested
  • Precision self-aligning poppet allows for repeatable cracking and reseating
  • Available colors: black

Specifications and Technical Information

  • Materials:
    • Body: acetal
    • Spring: stainless steel
  • Pressure tolerance:
    • Cracking pressure ±15% nominal 
    • Reseat within 20% of nominal
  • Available spring pressures:
    • 0.1 to 15.0 psi
    • Other pressures available on request (minimum orders apply)

Information Downloads

Note:  "C" prefix indicates HR drawing available for our customers.  When ordering, actual part number does not include "C" prefix.


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