Measurement of fluid flow, see 17.120
ICS Field
23.020 Fluid storage devices
Small containers for transportation of fluids and bulk materials, see 55.140
Storage devices for petroleum products and natural gas, see 75.200
23.040 Pipeline components and pipelines
Pipeline components and pipelines for petroleum products and natural gas, see 75.200
23.060 Valves
23.080 Pumps
Pumps for fluid power systems, see 23.100.10
Vacuum pumps, see 23.160
23.100 Fluid power systems
23.120 Ventilators. Fans. Air-conditioners
Marine ventilation and air-conditioning systems, see 47.020.90
Mining ventilation and air-conditioning systems, see 73.100.20
Ventilation and air-conditioning in buildings, see 91.140.30
23.140 Compressors and pneumatic machines
Compressed air, see 71.100.20
23.160 Vacuum technology
Including vacuum pumps