Check valves open automatically by the pressure which is exerted by the medium upon the valve disc. They close as soon as the flow is interrupted or the flow direction is reversed.
RV Check Valves
AWP check valves are open autonomously by the pressure which is exerted by the working medium upon the valve disc. They start to open at a differential pressure of 0.14 psi to 0.72 psi and are fully open between 1.45 psi and 2.9 psi. As soon as the flow is interrupted or the flow direction is reversed, the valve closes automatically. A built-in damping device makes this type of valve especially suitable in cases where capacity requirements fluctuate. AWP check valves are designed for installation in in industrial heating and refrigeration systems. They are installed on the pressure or suction side of compressors or in pipes in which only one direction of flow is intended.
Technical Features
- Available in steel or stainless steel
- Selection of body material as per German DIN EN12284, AD2000 Series – W
- Working mediums: refrigerants as per EN 378 p. 1, e. g. NH3, R22, R134a and blends with refrigerator oil; neutral, gaseous and liquid mediums; glycol-based cold brine
- Can be installed horizontally and vertically for upward flow direction
- Optionally available without damping
Technical Specification
Design
straightway or angle type
Material
steel or stainless steel
Nominal Size
1/8" - 8"
Nominal Pressure Level
362 psi, 580 psi, 913 psi
Temperature Range for Standard Valves
-76 °F to +302 °F
Temperature Range for HT Valve Series
+14 °F to +392 °F
Connections
butt welding and flanged ends as per DIN and ANSI, brazed ends, threaded ends
Where to find us
- Address: 3475 Board Road, York, PA 17406
- E-mail: AWPNAMInfo@gea.com
- Phone: +1 717-767-6411
