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Non Return Valves

 

Liquip NRV80 sandwich type non-return valve is typically fitted between standard 3" TTMA or 80mm DIN pipeline flanges, predominantly in aviation refuellers.

 

 

Features & Benefits
  • Special contoured and shaped valve to allow minimum pressure drop under full flow condition. 
  • Immediately after the flow ceases the valve shuts, preventing product from draining back down the pipeline.
  • fitted with a small thermal relief valve to guard against over pressurisation.

Recommended products for replacement

    Technical Information

    Pressures
    Main poppet opens at a pressure of 0.9kPa.
    Vacumm poppet opens at a pessure of 350kPa.

    Suitability
    Suitable for Aviation fuel.

    Seals
    O-rings are used for positive sealing.

    Materials
    Aluminium body, poppet, spider and washer.
    All Viton seals and O-rings.
    Stainless steel shaft screws and springs.
     

    Ordering Information

    NRV80: Aviation non return valve - 3" TTMA.

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    Item Description
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    NRV80 Aviation non return valve - 3" TTMA.

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