drive gearbox for the roof and sidewall ventilation windows (or vents) of for cup greenhouses – from Venlo greenhouses to open-roof and wide-span greenhouses in various designs, dimensions and types
Adjusting the positioning of the air vents is among the most important means of regulating the climate in a glass greenhouse. To be able to achieve the perfect greenhouse climate, it is often necessary to ventilate the greenhouse by starting and closing the roof and sidewall ventilation windows (or vents) in a thoroughly controlled manner. Ridder comes with an intensive portfolio of precision ventilation mechanisms and drive systems for cup greenhouses
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