De Gier Drive Systems Westlandseweg 9 , Wateringen , 2291 PG Netherlands About Solutions products Downloads Companies De Gier Drive Systems Products De Gier - Air Inlet Valves De Gier - Air Inlet Valves From Agriculture - Ventilation 0 Share Air inlet valves are often used in stables. The air inlet valves are driven by winch drums or TGA racks, which are in turn powered by a GW motor gearbox, the heart of the drive system. Steel cables constitute the connecting components. Most popular related searches agriculture ventilation agriculture water-use agricultural drive Customer reviews No reviews were found for De Gier - Air Inlet Valves. Be the first to review! Add your review Publish your review Great! review successfully added!