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Risbridger 4" Gravity Overfill Valve, Flanged base, C/W 3.5Mtr Drop Tube

Valves & Hardware

Stock Code: RIS-STOP-3GF-F223

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For 4″ gravity fill installations the proven RIS-STOP-3GF range of valves provides variants for all types of tank lid and pipework configurations.
Specified by BP in the UK

  • Lower installation costs, can be assembled into tanks at factory
  • Reduce vapour growth, fuel aeration and turbulence with optional Diffuser and Air Transfer Valve
  • Normally closed valve, suitable for gravity fill installations
  • The ONLY fail-safe mechanical valve available
  • In-situ testable valve
  • High gravity flow rates up to 1025 litres per minute
  • The ONLY valve operating effectively at very low flow rates (10 litres / minute)
  • Operating pressure range 0.1 – 2 Bar, Flow operating range 10 – 1025 litres / minute)
  • Certification: ATEX / SIRA 08ATEX9345 TYPE A1 EN13616:2004

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