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GAS SAFETY STANDARD
 

By law, all barbecues sold in Australia must comply with Australian Standard AS4557-2004. A change was introduced recently which requires all new barbecues to have a device fitted which either shuts off or limits the flow of gas.. The actual wording of the clause is
 

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2.4.1.2 Means to automatically shut off or reduce gas flow

Means shall be provided to automatically shut off or reduce the flow of gas using a device, upstream of the hose that will operate at a flow of not more than 3.0 cu.m/hr (air equivalent at standard conditions, see Clause 1.2.66) with 700 kPa supplied to the inlet of the device.

In the case of a device that reduces the flow of gas, the bypass shall not allow a flow greater than 0.3 m3/h (air equivalent at standard conditions, see Clause 1.2.66) with 700 kPa supplied to the inlet of the device.

The means shall-
(a) be integral with the regulator assembly;
(b) be designed in a way to prevent consumer disassembly without the use of specialized tools or undue force; and
(c) include either manual or automatic reset without the need to disconnect any part of the gas piping system, including the cylinder connection.

(Implementation date 1 January 2005)
 

This clause recognises that gas safety is a more serious issue now than any time in the past. Gasfuse does more than meet the minimum requirement of the standard. It meets or exceeds the most most stringent requirement for total shutoff. The exact implementation date of this clause is under review.