How to become a cylinder filler or tester
Official title: Cylinder filler/tester (compressed/liquefied gases)
Also called: Acetylene filler, Compressed and liquefied gases cylinder filler, Compressed and liquefied gases cylinder tester, Compressed gases cylinder filler, Compressed gases cylinder tester, Cylinder and filler tester, Liquefied gases cylinder filler, Liquefied gases cylinder tester, Liquefied petroleum gas (LPG) filler, Oxygen filler, Acetylene filler, Oxygen filler
Cylinder filler/tester (compressed/liquefied gases) tends pumps or other equipment to fill cylinders or other containers with liquefied or compressed gases. He/she connects lines from filling point to cylinders, adjusts valves and observes gauges to fill cylinders to prescribed pressure or weight. He/she tests for leaks in cylinders, records weight or pressure cylinder number and date filled. He/she may also check the purity of gases by simple chemical tests.
Main tasks
- Adjusting equipment, valves, pumps, controls and process equipment
Pay · Outlook · AI and this job
- Generative AI can do relatively little of this work, by the ILO's global estimate.
Related jobs
- Petroleum/Natural gas refining plant operator
- Metal production process controller
- Power generating plant operator
- Stationary engine operator
- Compressor operator
- Pumping station operator
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Questions people ask
Will AI change the work of a cylinder filler or tester?
Generative AI can do relatively little of this work, by the ILO's global estimate.
Sources
- International Labour Organization, Generative AI and Jobs: A Refined Global Index of Occupational Exposure (ILO Working Paper 140, Gmyrek et al.) (ILO Working Paper 140, May 2025, Annex Table A1), CC BY 4.0, retrieved 4 October 2026
Updated 4 October 2026