This class includes: - manufacture of hydraulic and pneumatic components (including hydraulic pumps, hydraulic motors, hydraulic and pneumatic cylinders, hydraulic and pneumatic valves, hydraulic and pneumatic hose and fittings); - manufacture of air preparation equipment for use in pneumatic systems; - manufacture of fluid power systems; - manufacture of hydraulic transmission equipment.
This class excludes: - manufacture of compressors, see 28130 (Manufacture of other pumps, compressors, taps and valves); - manufacture of pumps and valves for non-fluid power applications, see 28130 (Manufacture of other pumps, compressors, taps and valves); - manufacture of mechanical transmission equipment,, see 28140 (Manufacture of bearings, gears, gearing and driving elements).