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This Practice Note specifies the requirements for an allowable leakage rate for existing standard natural gas installations where the metering pressure is nominally 1.13 kPa and the operating pressure is taken to be 1.7 kPa, and provides guidance on:
- Different pressures used in gas installations.
- Allowable leakage in standard gas installations.
- Measures that should be taken to find a gas leak.
- Existing gas installations should be tested.
- Leakage rate for ‘Other Gases and Pressures’
- Pressure drops for an existing gas installation.
- Can I use a manometer to determine the leakage rate?
Version history
Category
Gas fitting
Document number
01
Version
2.0
Published
15 October 2024
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