Waterworks & Mining Air Release

Fox 3F RFP Rapid Filling Preventer

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The CSA Mod. FOX 3F-RFP, is a full-bore high-quality single chamber triple function combination air valve with a built-in anti-water hammer non slam surge prevention system. The air valve allows the release of air pockets from pressurized pipelines and admits large volumes of air in the event of pipe draining or burst, to prevent vacuum and negative pressure conditions.

During air discharge if the velocity exceeds a safe working value, the RFP float rises instantly , choking the air discharge to a safe value.  This function minimizes any potential for the air valve to generate water hammer.

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Australian Standard WSAA AWQC AS4956 approved, WSAA appraised


Protection of pipe during filling with CSA RFP air valves Watch video

Protection of pipe during filling with CSA RFP air valves

  • Fully approved AS4956-2017 / AS4020 / WSAA / MRWA
  • In built RFP (rapid filling protection) to avoid water hammer during filling
  • Low pressure sealing on all PN16 valves to 10Kpa
  • PN16, PN35 and PN40 valves all with AS4087 flanges (plus others)
  • Compact design with protection mesh, test valve and ability to isolate using butterfly valves.
  • Optional "Sub Kit" to give a threaded connection on the outlet
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