Greenhouse window opener automatic ventilation Foil tent ventilation with 7 kg lifter

Greenhouse ventilation

Lifting force: 7 kg
Lifting height: 45 cm< br />Opening angle: 30 °
Fully opened: 38-40°C
Fully closed: 15°C
Materials: aluminum and stainless steel

Window opening structure for automatic ventilation of greenhouses, greenhouses, foil tents.
Protect your plants in the greenhouse from frost and heat, because especially young shoots and sensitive plants need a stable temperature.
This robust aluminum and stainless steel automatic window opener can be installed in any standard greenhouse. Thus, the windows open and close completely automatically, even in your absence.
The structure can be mounted on the greenhouse very quickly and easily with the help of the clamps, without that holes should be drilled.
The cylinder then reacts to the temperature change - it automatically closes the window when it's cold and opens it when it's warm. This results in optimal air circulation, which prevents excessive humidity. This protects the plants from typical greenhouse diseases.
The window opener gets its energy from the built-in hydraulic cylinder, as the liquid inside it expands or contracts depending on the temperature. , by the time the frame opens or closes - no electricity or batteries required.
In order to window opener to operate for a long time, we recommend storing it frost-free in the winter months.
Main features:

• automatic opening and closing
  
• with integrated hydraulic cylinder
  
• totally electricity-free
  
• easy and quick installation