drive gearbox for the roof and sidewall ventilation windows (or vents) of for glass 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 one of the most important means of regulating the environment in a glass greenhouse. To be able to achieve the perfect greenhouse environment, 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 comprehensive portfolio of precision ventilation mechanisms and drive systems for glass greenhouses

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