Call Tri-Phase sales: 262-696-6144

Get a quote
Triphase logo

Gerwah logoGerwah

GERWAH specializes in trail-blazing couplings for driving technology and conveying engineering.

Metal Bellows Couplings

Gerwah Metal Bellow Coupling

Metal bellows couplings made by GERWAH are the perfect choice in many areas where torsionally rigid and backlash-free shaft connections are required.

  • Compensate angular, axial and radial misalignments
  • Transmit the rotational angle with highest precision
  • Compact shape and low moments of inertia

Metal Bellows Couplings Information


Servo-Insert Couplings

Gerwah Servo Insert Coupling

GERWAH Servo-Insert Couplings are used in driving technology when precise, low-vibration power transmission is required.

  • Backlash-free
  • Vibration-damping
  • Plug-in mounting
  • Compensate angular, axial and radial misalignments
  • Made for torques of up to 650 Nm

Servo-Insert Couplings Information


Line Shafts

Gerwah Line shaft

GERWAH backlash-free Line Shafts are the perfect choice when large centre distances have to be covered.

  • Elements are available with metal bellows or elastomeric spiders
  • Torque and rotating movements are transmitted with highest angular accuracy
  • lengths of up to six metres are possible.

Line Shafts Information


Safety Couplings

Gerwah Safety Coupling

GERWAH Safety Couplings protect engines, servos and connections from damage due to operation errors or malfunction.

  • High-speed cut-out function
  • Coupling disconnects driver and driven component within milliseconds
  • Backlash-free torque transmission

Safety Couplings Information


GERWAH® Torsionally Rigid Disc Couplings

Gerwah Torsionally Rigid Disc Coupling

Flexible Torsionally Rigid Disc Couplings can compensate for angular, axial, and radial misalignments while transmitting torque backlash-free between driver and driven components.

  • Operate without wear or maintenance
  • Insensitive even to very high temperatures
  • Never need lubrication

GERWAH® Torsionally Rigid Disc Couplings Information


Tri-Phase Automation is a Gerwah distributor in Wisconsin and Northern Illinois.