Van der Valk Systems is the only specialized company that has focused entirely on the development and production of ventilation systems for greenhouses. Van der Valk Systems has developed a fully automated production process for the production of high quality Valk-Plus® push rods. Thanks to the high accuracy of these push rods and thoughtful Stabimax systeem® to send the air mechanism more accurately and close vents better. These systems have been applied to many types of greenhouses. Standard ventilation of a Venlo greenhouse to open full dekhelften cabrio greenhouses.
Advantage: a constant climate, reduce energy and CO2 loss by perfectly fitting vents! And possibilities for putting a precise crack for dehumidification and cooling.