drive gearbox for the roof and sidewall ventilation home windows (or vents) of for cup greenhouses – from Venlo greenhouses to open-roof and wide-span greenhouses in a variety of designs, dimensions and types
Adjusting the position of the atmosphere vents is among the most important means of regulating the weather in a cup greenhouse. In order to achieve the ideal greenhouse climate, it is often essential to ventilate the greenhouse by opening and closing the roof and sidewall ventilation home windows (or vents) in a carefully controlled manner. Ridder has an extensive portfolio of precision ventilation mechanisms and drive systems for glass greenhouses
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