Dickow HZMR Series

DICKOW®-pumps of series HZMR are sealless multistage horizontal centrifugal pumps, driven by a synchronous permanent magnetic coupling. The containment shell is sealed by a confined gasket and separates the pumped liquid from the atmosphere. There are no leakage endangered dynamical shaft sealing available.

Due to the fact that 90% of pump failures are caused by leaking shaft seals, the sealless design increases the availability and reduces maintenance costs.

Field of Application

HZMR-pumps are used in services where no seal leakage can be tolerated, when handling toxic, explosive and pollutive liquids and when the required differential heads are above the application range of single stage volute casing pumps.

The HZMR-pumps operate almost maintenance free, the service life is far longer than that of pumps with conventional mechanical seals.

The performance range covers capacities up to 200 m³/h (880 US gpm) and differential heads up to 350 mLC (1148 ft). The maximum operating temperature is approx. 200 ºC (392 ºF), allowable operating pressure is 40 bar.

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Dickow HZMR Series