Hydraulic High Performance Pumps

Electric Pump HEM 20 for Tensioners
Technical data

Electric Pump Series HEM 20

The electric power pump series HEM 20 works fast and reliable in two stages. The pressure can be set at the pressure gauge continuously. Due to the integrated oil cooler the pump can operate permanently. Furthermore the pump design 120V enable the worldwide operation of HEM 20. This hydraulic pump is suitable for hydraulic torque tensioners.


•    Two-stage hydraulic pump with electric drive for
      hydraulic torque tensioners
•    Continuous pressure setting
•    Precision pressure gauge (2000 bar - class 1.0)
•    Incl. oil cooler
•    Handle und protection bracket made of steel
•    For mains voltage 230V, 50Hz

Technical data

Type Flow rate Work. pressure Power Volume Weight Dimensions
[l/min] [bar] [kW] [ l ] [kgs] LxWxH [mm]
HEM 20-110-3 High pressure: 0.3 2,000 1.1 3 28.3 300x430x450
Low pressure: 4.2 2,000 1.1 3 28.3 300x430x450


• Version with operating pressure 3000 bar
• Version with pneumatic drive
• Other cable lengths on request



•    Hydraulic unit HEM 20 with oil filling
•    Operation manual

All information subject to change without further notice.
No responsibility is taken for the correctness of the named specifications.


Contact Person


Mediation via secretary:

Marita Förster
Phone +49-231/91 72 11 - 11
E-Mail: marita.foerster@remove-this.bahco.de



Service / Order Processing:

Ursula Fietze
Phone +49-231/91 72 11 - 18
E-Mail: ursula.fietze@remove-this.bahco.de





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