NZS 5261:2003
Gas installation
Standards New Zealandsuperseded
Pick a clause from the contents on the left to see community comments and worked examples, or jump into a section below.
Sections
- 1.1Scope and general information
- 1.2General work and safety requirements
- 1.3Materials and fittings
- 1.4Gas pipework
- 1.5Flues
- 1.6Installing gas appliances
- 2.1Scope and general
- 2.2General work and safety requirements
- 2.3Materials and components
- 2.4Installing consumer piping
- 2.5Installing gas equipment
- 2.6Installing gas appliances
- 2.7Installation of specific gas appliances
- 2.8Installation commissioning
- 3.1Scope and general
- 3.2Reference list of Standards
- 1– Wobbe Index
- 2– Piping materials
- 3– Flue materials
- 4– Minimum thickness of mild steel for flues
- 5– Miscellaneous components
- 6– Domestic type gas appliance – minimum inlet pressure
- 7– Piping in a concealed location
- 8– Ventilation for concealed piping
- 9– Spacing of supporting devices
- 10– Depth of cover for consumer piping
- 11– Vent pipe size for vented safety shut-off systems
- 12– Ventilation of gas equipment – mechanical ventilation
- 13– Ventilation
- 14– Appliance isolation requirements
- 15– Required clearance between a single wall metal or fibre cement flue and a combustible surface
- 16– Minimum clearances required for flue terminals shown in figure 3
- 17– Cooking surface area minimum clearances
- 18– Clearances to grease filters
- 19– Minimum clearances for cooking surface area
- 20– Clearance to combustible material above overhead radiant heaters
- 21– Minimum access for ventilation of refrigerators
- 22– General work and safety requirements
- 23– Materials and fittings
- 24– Gas pipework
- 25– Flues
- 26– Installing appliances
- A1– Conversion factors
- C1– Approximate pipe length (m) for a volume of 0.03 m3
- C2– Pipe length above which an inert gas purge is required
- D1– Approximate pipe length for a volume of 0.03 m3
- D2– Acceptable pressure drops in existing installations
- D3– Test instruments
- E1– Gas properties
- E2– Information required
- E3– Installation details
- E4– Installation details
- F1– Flue sizes
- F2– Chimney sizes
- K1– Large installation maintenance
- 1– Vent terminal exclusion zone
- 2– Methods of protecting a combustible surface
- 3– Minimum clearances for balanced flue terminals, etc.
- 4– Required clearances around domestic gas cooking appliances
- E1– Example of consumer piping layout
- E2– Example of pipe sizing for natural gas in copper pipe
- E3– Pipe sizing for natural gas in steel pipe
- E4– Pipe sizing for natural gas in copper pipe
- E5– Pipe sizing for natural gas in polyethylene pipe
- E6– Pipe sizing for LPG (propane) in steel pipe
- E7– Pipe sizing for LPG (propane) in copper pipe
- F1– Flue design chart
- G1– Cylinder under a building
- G2– Minimum clearance to ignition sources
- G3– Minimum clearance to a drain or openings into a building