名称：High efficiency sealless pump with dual pump design
介绍（Introduce）：
Maintenance-free, high-efficiency, sealless pumps in double pump design with threaded or flanged connections, high-efficiency motors and stepless differential pressure control.
主要应用（Main applications）：
1. Heating, ventilation, air conditioning, refrigeration equipment and circulation systems
2. Single-pipe and two-pipe systems
3. Floor heating
4. Boiler circulation or primary circulation
5. Tank water supply circuit
6. Solar equipment
7. Heat pump
技术数据（Technical Data）：
Component Function | Delivery |
Inlet connection method | External thread joint Flange |
Drive scheme | With E drive |
Highest generation series flow | 21.8 m3/h |
min.Generation Series Flow | 0.1 m3/h |
The highest generation series lift | 12 m |
min. series lift | 1 m |
Power frequency | 50 Hz,60 Hz |
Line Voltage | 230 V |
Housing Material | EN-GJL-200+CATAPHORESIS |
Pressure class output | PN 16 |
Maximum allowable discharge side operating pressure of the series | 16 bar |
Inhalation characteristics | Non-self-priming |
Maximum permissible medium temperature | 110 °C |
Minimum permissible medium temperature | -10 °C |
优势（Advantages）：
1. High-efficiency technology combined with speed control and efficient operation through dynamic control for maximum operating cost savings.
2. Saves investment and commissioning costs through the "one-stop" concept
3. Easy operation via operating keys combined with integrated display and icons for indicating operating status
4. High availability through dual pump mode and integrated protection functions
