Product Details: Heavy duty truck and trailer air valves regulate the air necessary to sustain a steady airflow throughout the air system on your truck. It’s important to have quality air valves to keep your truck properly functioning on the road and avoid damage from contaminants.FleetPride offers several types of air valves for semi trailers from our diverse inventory of quality-built brands. Our large assortment includes trailer brake valves, air brake valves, trailer hand valves, air brake dash control valves, air compressor check valves, freightliner pressure protection valves, quick release valves, electromagnetic valves, spring brake control valves, pressure reducing valves, pressure control valves, air pilot valves, trailer hand valves, automatic moisture ejectors, and more. Browse our selection and see for yourself.Haldex's renowned expertise focuses on braking systems for heavy duty trucks and trailers, in addition to providing air suspension components to the industry. The innovative products help improve safety and driving dynamics. Customers can expect terrific performance and easy adjustment to load specifications. Haldex strives to make traffic environments and vehicles safer. For example, Haldex works to improve braking capacity and height control. As a result, customers and drivers receive the best operating experience despite conditions. Haldex has headquarters in Sweden and has offices in 19 countries. North America alone generates over half their sales, Europe generates one-third, and Asia and South America generate the remainder.