ATA-29 Hydraulic Power Service Units (HPUs) are multipurpose equipment, used for loading hydraulic oil in the aircraft or engine tanks, but also, allowing the aircraft actuators to be moved through their equipped high-pressure pumps and appropriate adapters for such effect. They also have filter lines to ensure that the liquid is not contaminated.

TRONAIR® offers ATA 29 Hydraulic Power Units to meet specific aircraft requirements including those of commercial, regional, and business airlines which use TRONAIR® HPUs to reduce aircraft filter changes and increase aircraft component life. TRONAIR® ATA 29 HPUs have the best high-grade filtration in the industry. TRONAIR® HPUs are available in different series and various configurations. Despite their differences all HPUs are powered by a motor (the primary source of power), which in turn powers the main pump to circulate hydraulic fluid from the reservoir throughout the entire system. Typically, motors are electrically powered. However, a few are gas and diesel-driven for outdoor usage. Other HPU components include the hydraulic pump which controls both the flow and the pressure within the unit, the reservoir (the storage area for the hydraulic fluid), the regulators which control or "regulate" the pressure lines and the relief and pressure supply lines which keep the pressure inside the hydraulic power unit level.

For more information please consult the supplied documentation on TRONAIR® HPU Technical Specifications & Optional Features. 

Note: TRONAIR® ATA-29 Hydraulic Power Service Units (HPUs) are offered with or without CE marking (*). Listed HPUs are non CE rated. For CE rated versions please specify during ordering. 

(*) CE marking indicates that a product has been assessed by the manufacturer and deemed to meet EU safety, health and environmental protection requirements. It is required for products manufactured anywhere in the world that are marketed in the EU.