Air valves

WATER

PROCESS / INDUSTRIAL

OIL / GAS

The Flow Control Group supply a complete range of Air Valves for a wide range of applications in the water, wastewater, oil and gas and industrial process sectors.

The specification and selection of a valve and its operating protocols is essential to the optimum performance of any valve. The Flow Control team have the knowledge and expertise to identify the correct valve for the desired application.

Air valves form part of our customized solutions for the pressure control, regulation and surge prevention of pressurized systems.

Air valves are used to both release air from a pipeline and to admit air into a pipeline. Our range includes single, double orifice and combination / triple function air valves.

The function of a small orifice air valve is to allow air to bleed from the pipeline under operating pressure.

Large orifice air valve allow air to be expelled from a pipeline system during filling and to admit air into the system whenever sub-atmospheric pressure occurs

The triple function air valve incorporates a small and large orifice air valve within a single unit. The large orifice functions in two ways, admitting air into the pipeline whenever the system pressure is below atmospheric and expelling air again as the system is refilled or charged. The small orifice allows air to bleed from the pipeline under operating pressure to expel any accumulations of air at high points or charges in pipeline profile.

Our triple function air release valve for sewage guarantees the proper operation of sewage lines allowing the entrance of a large quantity of air in case of pipe burst or draining, the release of air pockets during working conditions and the discharge or air during pipe filling

Design Standard:  Design and testing according to EN 1074, AWWA C-512, AS 4956, AS 4020, WRAS.

Pressure Rates : • Pressure range: 10-16-25-40 bar.

Connections Water

Flanges size from DN 50 to DN 400 mm.
Flanges standard EN 1092/2, ANSI 150, AS; different on request.
Threaded 1″ – 2″ BSP F; NPT on request

Connections Wastewater

Flanges size from DN 50 to DN 200 mm.
Flanges standard EN 1092/2, different on request.

Threaded connection 2″ BSP F, NPT on request

Connections Industrial

Flanges size from DN 50 to DN 400 mm.
Flanges standard EN 1092/2, ANSI 150, AS; different on request.
Threaded 1″ – 2″ BSP F; NPT on request.

Materials

Cast Iron, Ductile Iron, Stainless Steel, Duplex, super Duplex, Plastic

FCC Potable Water Air Valves

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    FCC Sewage Air Valves

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      WATER DIVISION

      Unit 1 Mount Street Business Park
      Mount Street Nechells
      West Midlands
      B7 5QU

      Tel: 0121 752 8870
      Email: sales@cotswoldvalves.co.uk

      Oil and Gas Division

      Cooper Drive
      Springwood Industrial Estate
      Braintree Essex
      CM7 2RF

      Tel: 01376 321211
      Email: sales@flowcontrol.co.uk

      Industrial Process Division

      Cambridge Mills Cambridge
      Nr Dursley
      Gloucestershire
      GL 2 7AA

      Tel: 01453 826612
      Email: info@cotswoldvalves.co.uk