ICNEA 3444—Hydraulic power machinery and component manufacturing

Where 3444 sits

1. C Manufacturing industry
2. 34 General equipment manufacturing industry
3. 344 Manufacturing of pumps, valves, compressors and similar machinery
4. 3444 Hydraulic power machinery and component manufacturing

What 3444 includes

• Including the following hydraulic power machinery and component manufacturing activities：
• Hydraulic valves: directional valve, pressure valve, flow valve, proportional valve, servo valve, multi-way valve, cartridge valve, superimposed valve, other hydraulic valves
• Hydraulic pumps: gear hydraulic pumps, vane hydraulic pumps, axial piston pumps, radial piston pumps, screw hydraulic pumps, and other hydraulic pumps
• Hydraulic motor: gear motor, vane motor, plunger motor, cycloid motor, low-speed high-torque motor, other hydraulic motors
• Hydraulic cylinders: high-pressure heavy-duty hydraulic cylinders, hydraulic cylinders for vehicle engineering series, hydraulic cylinders for agricultural machinery series, rod-type hydraulic cylinders, rotary hydraulic cylinders, swing hydraulic cylinders, and other hydraulic cylinders
• Other hydraulic components
• Hydraulic tools
• Hydraulic systems and devices: integral hydrostatic transmission devices, hydraulic pumping stations, other hydraulic systems and devices
• Hydraulic accessories: hydraulic accumulator, cooler, filter (oil suction series filter, magnetic series filter, pressure pipeline filter, oil return series filter, double cylinder series filter), hydraulic pipe fitting series, fuel tank accessories, other hydraulic accessories
• The following product manufacturing activities are included in this category
• High-pressure and high-flow hydraulic components and hydraulic systems
• High-frequency electro-hydraulic servo valve and proportional valve
• High-performance sealing device
• Intelligent valve island
• Manufacturing of energy-saving hydraulic components
• Refers to the manufacture of components and devices that use liquid as the working medium and rely on liquid pressure energy for energy conversion, transmission, control, and distribution.

3444 in other systems