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3" Fill Pipe Diffuser

Valves & Hardware

Stock Code: RIS-DIFFUSER-3

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Designed to prevent debris from being disturbed in the storage tank, and then being dispensed to vehicles on the forecourt. The Diffuser and Air Transfer Valve when used together can save forecourt owners huge amounts in lost vapour.

  • Calmer tank contents
  • Less aeration and turbulence
  • Calmer deliveries
  • Less vapour growth and foaming
  • Reduce the amount of debris stirred up during deliveries
  • Reduce the changing or cleaning of dispenser and check valve filters

For best results use with Air Transfer Valve (RIS-ATV)


  • RIS-DIFFUSER-3 – For 3” aluminium drop tubes
  • RIS-DIFFUSER-4 – For 4” aluminium drop tubes


  • RIS-DIFFUSER-3: 75mm (h) x 82.5mm (w)
  • RIS-DIFFUSER-4: 92mm (h) x 94.6mm (w)

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