The Arctic Innovation

Pleiger was the first to introduce electro-hydraulic actuators to shipbuilding markets. This revolutionary innovation benefitted everyone—the designer, the shipyards and the ship owners—significantly.

Now we’re taking it a step further and extending the range of potential applications:

The NEW EHS-EX Power Unit For Hazardous Areas!

It boasts the following features:

  • Suitable for installation on open deck
  • Suitable for installation in arctic conditions down to –55°C
  • Available with quick-closing function
  • Closing time according to your needs (approx. 6 to 30 sec.)
  • Available with directly mounted hand pump
  • With or without inner heating system

For installations on:

  • Ball valve
  • Butterfly valve – cryogenic valves

Possible operation/functions:

  • Double- and single-acting
  • Open/close or continuous feedback
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The sophisticated design of our EHS-EX Power Unit in combination with our wide range of hydraulic actuators offers you a unique solution for your individual requirements.


Type : EHS-EXD/15 … 1400
Torque : 174 Nm … 14.000 Nm
Operation : OP / CL or Continuous


Type : EHS-EXSG/15 … 1400
Torque CL : 174 Nm … 14,000 Nm
Torque OP : 73 Nm … up to 6,625 Nm
Operation : OP / CL or Continuous

Explosion-proof version:

II 2G Ex d IIC T4 at –55°C / +70°C
II 2G Ex d IIC T6 at –25°C / +40°C

Installation types:

Dry, submersible or submerged, as well as on deck!

Application examples

Here you will find pictures of our systems in use.

Call us now at +49 2324/398-240 or send us an e-mail with your inquiry at