Worm drive 1:40 installation 2 m / chain 4 m

• Application: Chain-driven worm gear for ventilation and energy screens without power supply
• Ideal for: Elevated side vents unreachable with standard cranks
• Use cases: Small to medium installations in greenhouses, barns, and halls
• Gear ratio: 1:40 (145 Nm torque)
• Chain length: Usable length 2 m
• Chain wheel: Made of impact-resistant plastic
• Installation: Direct-mount solution with worm gear, KST chain wheel, and guide
• Features:
  • Low-maintenance and climate-resistant
  • Excellent value for money
  • Simple connection to drive shaft

The Worm drive is a practical, direct-mount solution for ventilation and energy screen systems without electricity. It’s ideal for elevated side vents and compact installations in greenhouses and agricultural buildings.

Its impact-resistant plastic components and robust design ensure long-term reliability, while the 1:40 gear ratio provides powerful torque with minimal effort.