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780RPP one-way pressure relief valve (plastic)

Product description:

The 780RPP pressure relief valve is used in a wide variety of inflatable products such as life rafts and boats, lif vests, and safety evacuation slides.

Accessory parts include:

  • 787RPPF  Neoprene flange fused for bonding to rubber coated fabrics

  • 787SPFU  Urethane flange used for RF welding to a urethane coated fabric

  • 780CTG    Cap assembly (see image on page)

Features & benefits

  • High flow capabilities

  • Provide precision relief over a wide range of differentials

  • Compact and lightweight: approximate 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 & technical information


  • Body, stem and nut: aluminum

  • Retaining ring: stainless steel

  • 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).

Additional information

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