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If you use or import gas cylinders, fire extinguishers, aerosols or non-refillable gas canisters, you must comply with the Part 15 of the Health and Safety at Work (Hazardous Substances) Regulations 2017. The Regulations cover all gases under pressure including pure gases, mixtures of gases and breathing air.
Cylinders used as part of an aircraft, ship, boat or vehicle must comply with the rules for the relevant transport mode.
Filling containers of gases under pressure
People filling containers with gases under pressure, including cylinders, aerosols, and non-refillable containers must be trained and hold an Approved Filler Compliance Certificate. An Approved Filler Compliance Certificate must be issued by a compliance certifier.
For more information see the Guide to gas cylinders [PDF, 4.2 MB].
An LPG cylinder of less than 110 kg water capacity can be filled by someone who is not an approved filler if they follow the requirements set out in a safe work instrument.
All refillable cylinders, including fire extinguishers, must be regularly tested to ensure they are safe for continued use. The interval between tests depends on the type of cylinder.
Requirements are detailed in regulation 15.56 and Schedule 22 of the Health and Safety at Work (Hazardous Substances) Regulations(external link). For more information see the Guide to Gas Cylinders.
Is my cylinder approved?
All refillable gas cylinders approved for filling in New Zealand are required to be stamped with a record number, normally done at the time of manufacture. The record number is in the form of LAB xxxx or, in the case of special cylinders, LAB xxxx SP. An alternative is provided for UN cylinders. These cylinders are stamped with a UN stamp and marked according to the UN requirements.
To find out if your cylinder is approved, check the WorkSafe record, Record of gas cylinders. This can be found on the Gas cylinder record page.
Getting my gas cylinder approved
All cylinders imported into New Zealand for the first time are required to be compliance certified, or be UN cylinders as noted above. The steps for compliance certification are:
- Design verification
- Pre-commissioning certification
- Import clearance compliance certification.
These steps are undertaken by compliance certifiers approved for each type of certification.
Low pressure fire extinguishers do not need compliance certification, but are required to have a fire extinguisher registration number (FERN) under a product certification scheme.
For more information on the requirements for importing gas cylinders and fire extinguishers, see our factsheets below.
Individual cylinders brought into New Zealand as personal effects may not be filled in New Zealand unless they are approved for this purpose by WorkSafe.
Small numbers of cylinders for specialised uses may be granted an exemption from design verification, pre-commissioning and import compliance certification as a special cylinder.
An application for a special cylinder is made as an exemption from design verification, pre-commissioning and import clearance certification and is made through a test station.
Requirements are detailed in regulation 15.18 of the Health and Safety at Work (Hazardous Substances) Regulations(external link).
This guide is intended to assist and guide any person, group or organisation that is involved in, or intends being involved in, the importation, manufacture, supply, filling, storage, handling or periodic testing of gas cylinders and fittings.