Senior can deliver a breadth of solutions for aerospace hydraulic and fuel systems applications. Ketema manufactures and designs various sensors and monitoring equipment, including military refuelling sensors, totalizer instruments (which are designed to display fuel consumed or fuel remaining), and turbine flowmeters.

Bird Bellows has extensive experience in the manufacture of high integrity flexible metallic ducts for the separation of cables from aircraft fuel, allowing electrical cables to pass through the fuel tank of military aircraft. A variety of flexible joints and duct components for aircraft fuel systems are also supplied. Calorstat designs and manufactures reservoirs based on edge welded bellows technology. They are used in fuel, cooling and hydraulic systems.

Ermeto designs, manufactures and markets hydraulic and pneumatic components, including fittings, bent tubes and valves for a large variety of fields such as aeronautic, marine, military, railway, and chemical industries. SSP designs, qualifies and manufactures fuel supply, transfer, vent and refueling ducts. Metal Bellows' reservoirs and accumulators eliminates the problems associated with elastomeric seals in traditional piston or bladder devices. The welded bellows construction provides maintenance free service, high reliability, and long life. These units are ideally suited for, and have a long pedigree on, commercial and military aircraft, ground vehicles, and weapons systems.