The pinion house unit TU 6-30 works as a drive for racks 30 in greenhouse ventilations. A counter roller enables reliable and gentle guidance of the rack. Therefore you will profit from low abrasion of your ventilation system.Thanks to a centred bronze ring, that works as a bearing, the pinion house unit especially fits simple and light-weight ventilation systems. For drives with 34 mm steel tubes. Material: Steel housing with a plastic bearing Ridder Art.-Nr.: 500018

This rack is especially suitable for standard ventilation in all types of greenhouses.The end piece of the rack has no teeth. This enables a security stop as soon as the vent has opened to the maximum. It also stops the rack from getting pushed out. The rack is precisely fitted to the pinion housing TU 11:22 & 30 and therefore very durable. The product can be delivered in several lengths. Height of the teeth: 30 mmMaterial: galvanized steelRidder Art.-Nr.: 418546

Professional rack grease for maintenance of racks in ventilation and shading systems in greenhouses. Annual greasing ensures long-term, trouble-free operation of the rack drives.The grease can be applied to the racks with a brush.The grease comes in a cartridge and is compatible with 400 g-grease guns.

Ridder Art.-Nr.: 416490

This rack is especially suitable for light-weight ventilation in poly tunnels and -greenhouses. The end piece of the rack has no teeth. This enables a security stop as soon as the vent has opened to the maximum. It also stops the rack from getting pushed out. The rack is precisely fitted to the pinion housing TU 11:22 & 30 and therefore very durable. The product can be delivered in several lengths. Height of the teeth: 22 mmMaterial: galvanized steelRidder Art.-Nr.: 418095

Ridder "connector set" for acks and push-pull tubes in shading systems.Suitable for 27 racks. Material: pressure casting galvanized - Ridder Art.-Nr.: 500208

Ridder Art.-Nr.: 182058

Ridder Art.-Nr.: 565020

The pinion house unit TU 21-40 is used as a direct drive for shading systems with push-pull tube drives. Material: galvanized steel, pinions are hardend especially

Professional rack grease for maintenance of racks in ventilation and shading systems in greenhouses. Annual greasing ensures long-term, trouble-free operation of the rack drives.The grease can be applied to the racks with a brush.Comes in a bucket.Ridder item no .: 182051

Ridder Art.-Nr.: 421978

Our woven insect screen with a mesh size of 0.163 x 0.163 mm and a length of 200 cm protects your greenhouse from insects and other small pests. Thrips in particular are kept away thanks to the particularly narrow mesh size. The fabric is easy to cut and can be assembled very quickly. We recommend our heat cutter (Article #) for cutting to prevent the fabric from fraying.

Ridder Art.-Nr.: 416489

Counter plate is used as an insert for fixing RSD250 tooth-racked drives onto the truss.

This article can be added to your safety sets for racks (three and four parts). Order the extension that you need on top of the standard one meter covers, and we will cut the covers to the requested length.

Ridder Art.-Nr.: 418736

This weld coupling for pinion house unit RSD 250 suitable for steel tubes 1.315" or 1.66" is used in push-pull tube drives in shading and ventilation systems. Material: galvanized steelRidder Art.-Nr.: 401635

This sleeve coupling is suitable for the drive shafts of 34 mm in push-pull drive tubes in shading and ventilation systems. It enables to unclamp the drive shaft from the system in case, for example, a damaged pinion should be replaced.. Material: galvanized steelRidder Art.-Nr.: 419404

The center clip is used for centring the drive shaft during the installation of a weld coupling.When a damaged pinion needs to be replaced, the center clip enables to unclamp the drive shaft without demounting other pinions from the system. Material: Stainless SteelRidder art.-no.: 418694