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
- Installation is possible in any position but the flow direction must be observed
- HRAR/HRAB with Electric Actuator:
- Electric actuator is designed for ambient temperatures of -40 °C up to +60 °C, enclosure protection: IP68 as per EN 60529, mains: 220V 50 Hz 3-ph AC, insulation class: F, tropicalized, motor protection: thermoswitch 140 °C NC, heater: 110V-250V AC/DC self-regulating
| HRAR Regulating Valves | HRAB Regulating Valves | HRAR/HRAB Regulating Valves with Electric Actuator | |
| Material | steel or stainless steel | steel or stainless steel | steel or stainless steel |
| Nominal size | DN 6-250 | DN 10-250 | DN 25-250 Larger nominal diameters upon request, subject to technical feasibility. |
| Nominal Pressure Level | PS 25, PS 40, PS 63, PS 160 | PS 25, PS 40 | PS 25, PS 40 |
| Temperature range for Standard Valves | -60 °C to +150 °C | -60 °C to +150 °C | -60 °C to +150 °C |
| Temperature range for HT Valve Series | -10 °C to +200 °C | -10 °C to +200 °C | -10 °C to +200 °C |
| Connection | butt welding and flanged ends as per DIN and ANSI, brazed ends, threaded ends | butt welding and flanged ends as per DIN and ANSI, brazed ends, threaded ends | butt welding and flanged ends as per DIN and ANSI, brazed ends |
| Additional information | available with cover extension | available with cover extension | equipped with electric actuator |
Downloads
Service Products
GEA Ammonia Dryer
The GEA Ammonia Dryer removes water from the refrigerant cycle and makes the perfect addition to ammonia refrigeration systems along with filters and purgers.
PR-OLEO® Premium-Quality Ammonia Refrigeration Oils
PR-OLEO® ammonia oils are the natural choice to optimize industrial cooling and heating applications operating with reciprocating or screw compressors.
GEA Service Kits for screw and reciprocating compressors
Welcome to the world of simplicity with GEA Service Kits for screw and reciprocating compressors. Our mission is clear - to make your experience with original spare parts seamless and your operations smoother than ever. "Take it easy, use a kit" is not just a tagline – it is a promise we deliver on.
GEA Insights
Innovating for impact: shaping better solutions for customers
Industrial production is being asked to use fewer resources, become smarter and keep equipment productive for longer. At GEA, that is changing how innovation happens: engineering, customer insight, digital expertise and service come together earlier – when a solution can still be shaped at its core.
