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Worm drive 1:8 installation 2 m / chain 4 m

Product information "Worm drive 1:8 installation 2 m / chain 4 m"

  • Application: Chain-driven worm gear for ventilation and energy screens without power supply
  • Material: Sturdy construction with plastic chain wheel and guide
  • Gear ratio: 1:8 (40 Nm torque)
  • Chain length: Usable length 2 m
  • Features: Low-maintenance and resistant to climate conditions
  • Installation: Direct-mount solution for easy connection to the drive shaft

The worm drive is a chain-driven unit ideal for operating ventilation systems and energy screens without electricity. It is especially useful for elevated side vents that cannot be reached with a standard hand crank, and for small to medium-sized greenhouse, barn, or hall installations.


Its rugged design with a plastic chain wheel and chain guide ensures durability and reliability. The 1:8 gear ratio delivers 40 Nm of torque, and the 2-meter chain provides ample reach.


Engineered to withstand greenhouse conditions, the system is low-maintenance and installs directly onto the drive shaft for quick setup.