Centrifugal pump unit with a magnetic coupling

摘要

The heat exchanger (12) is contained within a hermetically sealed space (6) enclosed by the separator (5) between the primary and secondary parts (1,4) of the clutch which are provided with respective concentric magnets (2,3). The heat exchanger is provided by a single or multiple pipe coil and lies in direct contact with the pumped circulation medium and supplied with a gas or liquid heat exchange medium.