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Overview standard heat exchangers
| Designation | Series | Type of tube | Materials | Size | Main applications |
|---|---|---|---|---|---|
 Finned tube heat exchanger WRW |
WRW | GEWA-D | Copper | 1.0-4.5m2 | Solar heat exchanger for heating up buffer storage, flow water heater, heat extraction from buffer storage |
 Finned tube heat exchanger WRW-W |
WRW-W | GEWA-DW | Copper | 1.0-4.5m2 | Heating up water storage, heat extraction from buffer storage |
 Finned tube condenser WRK |
WRK | GEWA-DW | Copper, tin plated | 3-16KW refrigerant R22 deltaT=25K |
Heat recovery, hot water heat pumps |
 Finned tube condenser |
WRKS | GEWA-safe | Copper, tin plated | 3-10KW refrigerant R22 deltaT=25K |
Heat recovery, hot water heat pumps |
 Coaxial condenser WKC |
WKC | GEWA-C | Copper | 3-50KW refrigerant R134a deltaT=15K |
Heat pumps, heat recovery, package air-conditioning units, cascade heat exchangers |
 Coaxial evaporator WKE |
WKE | GEWA-KS | Copper | 4-40KW refrigerant R134a deltaT=15K |
Water chillers, heat pumps, cascade heat exchangers, thermostats |