The Arctic Innovation

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

Now … we go one step further and extend the field of applications:

The NEW EHS-EX Power Unit For Hazardous Area!

It offers available Features like:

  • Suitable for installation on open deck.
  • Suitable for installation in arctic conditions down to -55°C.
  • Available with quick closing function.
  • Closing time according your needs (approx. 6 to 30 sec.).
  • Available with directly fixed 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
lng antrieb yamal
yamal -55 arctic actuator lng cargo

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.

Double Acting

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

Single Acting

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

In 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


Dry, Submerged or Submersible, as well as for installation on Open Deck!

Application examples

Here you will find pictures of our systems in use.