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Installation of low pressure gas pipework of up to 35 mm (R1¼) in domestic premises (2nd family gas) - Specification
Requirements for the design parameters, materials and methods of installing steel, stainless steel or copper gas pipework in domestic dwellings.
This British Standard specifies design parameters, materials and methods of installing pipe, in sizes not exceeding R1¼ (32 mm) for steel and DN 32 for corrugated stainless steel or DN 35 for copper, gas pipework, for the supply of 2nd family gas from the meter to appliances in domestic dwellings. This standard is also applicable to polyethylene pipe up to DN 32 that is exterior to a dwelling.
This standard applies to gas installation pipework where the nominal operating pressure is 21 mbar.
The provisions of this standard apply to installations supplied with 2nd family gases including natural gas and mixtures of liquefied petroleum gases (LPG) and air.
History and related standards
This British Standard supersedes BS 6891:1998, which is withdrawn.
This standard includes the following cross references:
BS 143 and 1256:2000, BS 669-1:1989, BS 864-2:1983, BS 1387:1985,
BS 1552:1995, BS 3604-2:1991, BS 3605-2:1992, BS 5114:1975, BS 6172:2004,
BS 6956-5:1992, BS 7624:2004, BS 7671:2001, BS 7838:1996, BS EN 331,
BS EN 751-1:1997, BS EN 751-2:1997, BS EN 751-3:1997, BS EN 1057:1996,
BS EN 1254-1:1998, BS EN 1254-2:1998, BS EN 1254-3:1998, BS EN 1254-4:1998,
BS EN 1254-5:1998, BS EN 1254-7, BS EN 1555-1, BS EN 1555-2, BS EN 1555-3, BS EN 10216-1, BS EN 10216-2, BS EN 10216-5:2004, BS EN 10217-2:2002,
BS EN 10226-1, BS EN 10312, BS EN ISO 228-1, BS EN ISO 228-2, IGE/UP/1B:2002.
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