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

Technology

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

Characteristics

• 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