
Fox 3 RFP Rapid Filling Preventer Air Release Valve “AS4956 approved” & WSAA appraised
Features
- New low pressure sealing feature on PN16 valves less than 10Kpa (1m)
- PN35 valves with a sealing pressure of less than 20Kpa (2m)
- Inbuilt RFP feature avoiding water hammer in increased pipeline filling applications
- Approved, manufactured and fully certified to AS4956 by SAI Global
- Approved CSA (Italy) testing facility for AS4956 by SAI Global
- Approved in Australia to AS4020 by AWQC for drinking water
- Approved flange connections in accordance with AS4087-PN16 & 35
- Appraised by WSAA for full range of Fox-RFP valves
- MRWA approved for use
- Threaded connections in DN25 and DN50
- Flanged connections in DN50 to DN250
- PN rating for PN16 , PN35 & PN40
Description
The CSA Mod. FOX 3F-RFP, is a full-bore high-quality single chamber double 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 outflow the air valves sense the increase in air velocity and differential pressure, using—if required by excessive values—the RFP (anti-surge) flat to control the air outflow rate thus avoiding fast approaches of water column with potential sudden closures of the mobile block and the risk of water hammer. Entirely made of ductile cast iron, with air release system and seat in stainless steel, FOX 3F-RFP stands out for its long-lasting performance and reliability.
(More videos below in “Video” section)
Valves are manufactured and fully certified to Australian requirements such as AS4020 , AS4158 , AS4087 and are tested in an fully accredited testing laboratory by SAI Global to the Australian standard for air valves being AS4956. Copies of the full approval listed in downloads section.
Valves have all been full appraised in Australia to WSAA and copies of the full appraisal listed in downloads section.
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Downloads
- MRWA Fox-RFPPdf
- Certificate for AS4956 with order codes SF01.AS015403.SMK40516.4.Pdf
- Certificate from SAI Global for AS4956 with part numbersPdf
- Certificate from SAI Global for testing facility to AS4956Pdf
- Certificate AS4020 21.3.19Pdf
- WSAA appraisal PA 1907-Bermad -CSA Fox 3F-RFP Air ValvesPdf
- Certificate of approval WRASPdf
- South East Water Approval certificatePdf
- Certificate ISO 9001 IQNET 2021Pdf
- Certificate Design ISO 9001 2021Pdf
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