RVD Constant Pressure Valves-GEA Group Aktiengesellschaft

GEA AWP constant pressure valves are automatically operated regulating devices (constant pressure function) within the oil management system of screw compressor packages, ensuring sufficient minimum differential pressure (e.g. 3 bar, 4 bar etc.) or oil injection pressure during the start-up phase and running of the screw compressor. The constant pressure valve is fitted with a back-pressure compensation sealing element. The valve is opened by the pressure of the operating medium, depending on the set pressure (spring inside) of the valve. The set pressure is determined by the customer and adjusted by the manufacturer. AWP constant pressure valves are maintenance-free. Any defects that occur in the functional performance of the valves can be repaired.

valves can be repaired.

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Technical features

Available in steel
Selection of body material as per German DIN EN12284, AD2000 Series W
Working media: glycol-based cold brine refrigerant EN 378 p. 1 and blends with refrigerator oil, neutral, gas and liquid media, glycol-based cold brine
Mounting position: in any position

RVD pressurizers
design	straightway and angle type
material	steel
nominal size	DN 40-150
nominal pressure level	PS 25, PS 40
temperature range	-20 °C to 100 °C
connection	butt welding ends DIN, ANSI flanged ends DIN, ANSI
set pressure	1-25 bar

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