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Greenhouse Manual Top Film Roller For Ventilation System

Accessories
July 09, 2025
Category Connection: Greenhouse Accessories
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Tags:
#Greenhouse Accessories #greenhouse lock channel and wiggle wire #4m greenhouse film lock channel
Brief: In this video, we provide an informative overview of the OEM Chain Type Manual Top Film Roller for greenhouse ventilation systems. You will see a detailed demonstration of how this manual roller operates using a chain drive for top ventilation, learn about its robust construction and self-locking mechanism, and gain insights into its ideal applications in tunnel and multi-span greenhouses.
Related Product Features:
  • The roller shell is made of high-precision cast aluminum using a one-step die-casting process for durability.
  • It features an internal self-locking device that allows stopping and starting at any position during operation.
  • Key components like gears and gear shafts are made from 45# national standard steel and heat-treated for longevity.
  • The unit has double-layer anti-rust protection with galvanized surfaces and stainless steel standard parts.
  • It is designed for manual control of small area rack and pinion drive ventilation windows in greenhouses.
  • This chain-type roller is primarily used for top ventilation in multi-span and tunnel greenhouses.
  • The manual operation is driven by pulling a chain, making it cost-effective for short-distance applications up to 30 meters.
  • It comes with a three-year warranty, ensuring reliable performance and peace of mind.
FAQs:
  • What types of greenhouses is this manual top film roller suitable for?
    This chain-type manual top film roller is suitable for tunnel greenhouses and for top ventilation in some multi-span greenhouses, providing an efficient and cost-effective solution for manual ventilation control.
  • How does the manual film roller operate and what is its maximum effective distance?
    The roller operates by manually pulling a chain to drive the film winding mechanism. It is ideal for short-distance applications, typically up to 30 meters, making it a budget-friendly choice for smaller greenhouse setups.
  • What are the key durability features of this manual film roller?
    Key durability features include a cast aluminum shell for high precision, heat-treated 45# steel gears and gear shafts for long life, a self-locking device for controlled operation, and double-layer anti-rust galvanized protection with stainless steel components.
  • What warranty is provided with the greenhouse manual top film roller?
    The manual top film roller comes with a three-year warranty, covering key components and ensuring reliable performance for your greenhouse ventilation system over an extended period.
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