Chain and Pulley Style: For Greenhouse Skylight
Max Roll Tube Length: 80m(262ft)
The chain operable height :2m(6.56ft)
the chain circumference:4m(13.12ft)
Speed Ratio: 4:1
Rotatable Assemble Tube Size: OD 1inch(25mm)
Feature
Easy to install and operate precise ABS pulley and shell,anti-aging,easy to roll up greenhouse film,save the human resource
Reliable performance of bidirectional self-locking High-quality chain,will not get rusty,long life cycle,save money
Add the transition gear in the transmission system with more stead performance
Big speed ratio and output torque; Light weight
Widely used in greenhouse and poultry house and can manually operate small area of shading
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