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Anderson Greenwood Type 4020 Atmospheric Pressure and Vacuum Valves

Any questions?

Henna Ketoja
Inside Sales Engineer
Mob. 400 612 124

Tommi Penttilä
Sales Manager Conventional Power
Phone. 0207 416 208
Mob. 040 512 2308

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

Anderson Greenwood JALOSTAMO KEMIA & PETROKEMIA LÄÄKETIEDE ÖLJY JA KAASU

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.