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JP503 Air and Dirt Separator Flanged Low Pressure Drop


Micro Bubble Air and Dirt Separator manufactured from corrosion resistant 316L stainless steel fitted with silumin swivel flanges drilled to BS4504 NP10.


Stourflex Nonair air and dirt separators are designed to remove both air and dirt from circulating heating and chilled water systems.

Air is vented automatically from the top of the unit. Dirt and Sludge is drained manually from the valve fitted on the base.

  • Maximum working temperature 110ºC.
  • Maximum working pressure 10 Bar.
  • Maximum test pressure = 1.5 x working pressure.

For efficient air and dirt removal separators should be line size.

Certificate No: 0902069

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JP503 Air And Dirt Separator

our technical specifications

Our JP503 Air and Dirt Separator Flanged Low Pressure Drop specifications

Part numberN.B. (mm)Installed length (mm)Body diameter excluding air vent and drain valve (mm)Dry weight (kg)Volume (Litre)Air vent connections female bsp NoAir vent connections female bsp (“)Drain connection (“)

Due to the unique way Stourflex JP503 Air & Dirt separators operate they have very low pressure drops, please refer to the pressure drop chart for further details.

Stainless Steel Automatic Air Vents and Shut Off Valves are available for all Stourflex Nonair Separators.

Weld and Grooved ends, alternative flange drillings and materials available upon request.

Where a built in strainer is required refer to the Stourflex Nonair Type JP504.

Please refer to guidance notes for the correct use and installation of Stourflex Nonair Separators.

Installed lengths may vary, if an exact installation length is required please check at time of order.

Download data sheet