Anderson Greenwood Type 4020 Atmospheric Pressure and Vacuum Valves

Anderson Greenwood Type 4020 Atmospheric Pressure and Vacuum Valves

Anderson Greenwood™ Type 4020 are weight or spring loaded valves capable of providing pressure and vacuum relief that vent to atmosphere..

Any questions?

Anders Praem
Inside Sales Engineer
Phone. 2137 7759

Anders.Praem@askalon.dk

Frank Kirk Hansen
Area Account Manager West
Phone. 4053 6511

Frank.Kirk@askalon.dk

Slawka Pedersen
Inside Sales Manager
Phone. 2137 7702

Slawka.Pedersen@askalon.dk

  • Increased flow capacities reduce the required valve size and the corresponding connections and piping costs.
  • Fully open at 10% overpressure, enabling setting close to MAWP/MAWV and minimizing tank emissions.
  • Large body for increased capacity providing high flow performance for full conformance to API2000/ISO28300.
  • Leakage rate of 0.5 scfh (0.015 Nm3 /hr) or less at 90% of setpoint.
  • Weight or spring loaded models available.
  • Choice of body materials.
  • Modular design enables all components to be removed and replaced in-situ for quicker, simpler maintenance.
  • Optional ‘all-weather’ coating prevents frozen condensate build-up and sticking of vital components in cold weather applications.

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