Atex-certified variators

Atex-certified variators

For potentially explosive environments.

The Var-Spe variator is the ideal solution for potentially explosive and explosion-proof environments in compliance with the Atex 95 directive (94/9/EC): simple, sturdy and reliable.
Thanks to hydrostatic technology, they need no complicated and expensive monitoring devices.
All Var-Spe products can be supplied in accordance with the ATEX directive.

For Atex Zone 1/21 or zone 2/22 environments, both gas and dust, according to the following classifications:

  • Ex II 2 GDbc IP65 T135°C X
  • Ex II 2 GDc IP65 T180°C
  • Ex II 3 GDc IP65 T135°C
  • Cost-effective installation
  • Simple to use
  • Extremely competitive prices
  • High breakaway torques starting from zero rpm
  • Wide speed range, 0-1400 rpm for both directions of rotation
  • Standard adjustable torque limiter


Hydrostatic technology with radial pistons so there is no friction on the inside, making it reliable over time.


  • Power range: 0.37 up to 22 kW
  • Long service life
  • Zero rpm output with the motor running
  • Adjustment handwheel even with the motor off
  • Precise and repeatable adjustment even after a very long time (no internal friction element)
  • Linearity between handwheel turns and output speed
  • Available in all horizontal and vertical installation positions
  • Speed limiter
  • Clockwise and counter-clockwise output rotation
  • Manual and remote-controlled speed adjustment systems

Var.Spe Products