Notice Type
Authorities/Other Agencies of State
Notice Title

Automotive CNG Fuel Cylinder Approvals

Pursuant to Regulation 90B of the Traffic Regulations 1976, and pursuant to the powers delegated to me by the Director of Land Transport Safety, I, John Andrew Justice, Acting Manager, Safer Vehicles Policy, hereby approve the CNG fuel cylinders in the Schedule hereto for inclusion in any CNG automotive fuel system installed and operated in accordance with the requirements of Australian/New Zealand Standard AS/NZS 2739:1999, subject to the conditions of approval set out in this notice.
Reference No. Manufacturer Country of Origin Specification Material Inspection Authority Test Pressure (MPa)
AF C03B 031 Faber Industrie S.p.A. Italy NZS 5454 Steel Lloyd's 30.0
This approval only applies to cylinders as specified on the following three drawings:
NZ-356-300-890/T/RR Rev. 0 (covering models: T356/65, 70, 75, 80, 85, 90, 100, 110, 120 and 140).
NZ-316-300-890/T/RR Rev. 0 (covering models: T316 RR/50, 55, 60, 65, 70, 75, 80, 85, 90, 95, 100, 105 and 110).
NZ-229-300-890/B Rev. 0 (covering models: B229/17, 20, 22, 24, 25, 27, 30, 35, 40, 45, 50, 52, 55, 56, 58 and 60).
Conditions of Approval:
These automotive CNG fuel cylinders are approved subject to the following conditions-
1. That they comply with all the design, performance, and test requirements of New Zealand Standard NZS 5454:1989 as applicable to all-metal steel cylinders.
2. That they be provided with a cylinder shut-off valve designed for the cylinder working pressure and compatible with the test pressure of the cylinder. Cylinder shut-off valves shall be fitted with a handwheel to facilitate ease of opening and closing of the valve and shall be fitted with a pressure relief device, which remains in contact with the gas contained in the cylinder whether the handwheel is in the open or closed position, comprising a burst disc backed with a fusible alloy plug having a nominal melt temperature of 100oC. Should the alloy plug melt, the burst disc shall yield at a pressure of not less than 24.7 MPa and not more than 30.0 MPa, otherwise it shall remain inoperative. Cylinder valves shall be provided with an outlet thread of ¼" NPT (female) and a stem thread compatible with the cylinder neck thread.
3. That they are tested at periods not exceeding 5 years, in accordance with the requirements of Australian Standard
AS 2337.1.
4. Cylinder markings are in accordance with section 9 of New Zealand Standard NZS 5454:1989.
5. Neck threads are in accordance with section 5 (5.3) of New Zealand Standard NZS 5454:1989.
Signed at Wellington this 14th day of May 2001.
J. A. JUSTICE, Acting Manager, Safer Vehicles Policy.