The VRX is a self-powered, mechanically self-acting constant flow rate controller, with a compact design and shape.


Suitable for differential pressures of 70 to 1000Pa. Control accuracy +/- 10%. Subsequent adjustment of the factory-set flow rate possible through adjusting ring with scale. Rectangular casing of galvanised sheet steel.

  • Flanged connection C30 on both sides
  • Damper of aluminium, in plastic bearing for smooth movement
  • Resistant to ageing and maintenance-free
  • Operation temperature range: –20°C up to +100°C
  • Stainless steel version available
  • Corrosion inhibiting PUR coating option available
  • Insulated case version available

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