BS 6891-2005+A2-2008 家用房屋中燃气低压管道＜35mm(R1 1/4)的安装(2类燃气).规范

标准号：BS 6891-2005+A2-2008
中文标准名称：家用房屋中燃气低压管道＜35mm(R1 1/4)的安装(2类燃气).规范
英文标准名称：Installation of low pressure gas pipework of up to 35 mm (R1 1/4)in domestic premises (2nd family gas) - Specification
标准类型：Q82
发布日期：2005/11/18 12:00:00
实施日期：2005/11/18 12:00:00
中国标准分类号：Q82
国际标准分类号：91.140.40
引用标准：BS 143;BS 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 751-1-1997;BS EN 751-2-1997;BS EN 751-3-1997;BS EN 1057-1996;BS E
适用范围：This British Standard specifies design parameters, materials and methods of installing pipe, in sizes notexceeding R1¼ (32 mm) for steel and DN 32 for corrugated stainless steel or DN 35 for copper, gaspipework, for the supply of 2nd family gas from the meter to appliances in domestic dwellings. Thestandard 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 mbar1).COMMENTARY AND RECOMMENDATIONS ON CLAUSE 1Annex A shows a typical domestic gas installation (figures from the Gas Safety (Installation and Use)Regulations 1998 [1]).Steel pipework to BS 1387 of nominal size DN 32 is that size which is threaded to R1¼ (32 mm) inaccordance with BS 21.The provision of service pipes to the consumer’s gas meter is covered by the Institution of Gas Engineers andManagers publication IGE/TD/4 [6].The installation of gas meters is covered by BS 6400.3rd family gas (liquefied petroleum gas) installations in permanent dwellings are covered in BS 5482-1.Gas installation pipework in larger sizes or at higher gas pressures is detailed in the Institution of GasEngineers and Managers publication IGE/UP/2 [7].Gas, as classified in BS EN 437:2003, Table 1, is normally supplied to the public in accordance withstatutory requirements. The provisions of this standard apply to installations supplied with 2nd familygases including natural gas and mixtures of liquefied petroleum gases (LPG) and air.NOTE 1 For the purposes of this standard, installation includes design, inspection and commissioning. It is recognized that each ofthese tasks can be performed by the same person.NOTE 2 As well as normally constructed dwellings, domestic premises include any permanently sited caravans, holiday homes,residential park homes and permanently moored boats. Additional requirements exist for these categories of premises and can befound in IGE/UP/8 [8]. Neither this standard nor IGE/UP/8 [8] applies to gas installations in towed or motorized caravans.NOTE 3 Additional information on gas installations in timber frame dwellings is given in IGE/UP/7 [9].