BS EN 13941-2009 区域供暖用预绝热连接管的设计与安装
【英文标准名称】: Design and installation of preinsulated bonded pipe systems for district heating 【原文标准名称】: 区域供暖用预绝热连接管的设计与安装 【标准号】: BS EN 13941-2009 【标准状态】: 作废 【国别】: 英国 【发布日期】: 2009-07-31 【实施或试行日期】: 2009-07-31【发布单位】: 英国标准学会(GB-BSI)【起草单位】: BSI【标准类型】: ()【标准水平】: ()【中文主题词】: 合成套管;合成管;定义(术语);设计;远距离供热;区域供暖;热水供应网;安装;套管;鼓箍;长距离加热系统;管道系统;管道;管道工程系统;规范(验收);钢管;圆钢管;绝热;地下;水管系统;水管【英文主题词】: Composite jacket pipes;Composite tubes;Definitions;Design;Distant heating;District heating;Hot water networks;Installations;Jacket tubes;Lagging of a drum;Long distance heating systems;Pipe system;Pipelines;Pipework systems;Specification (approval);Steel pipes;Steel tubes;Thermal insulation;Underground;Water pipe systems;Water pipes【摘要】: This European Standard specifies rules for design, calculation and installation for preinsulated bonded pipe systems for buried hot water distribution and transmission networks (cf. figure 2) with pipe assemblies in accordance with EN 253, for continuous operation with hot water at various temperatures up to 120oC and occasionally with peak temperatures up to 140oC and maximum internal pressure 25 bar (overpressure).The standard assumes use of treated water, which by softening, demineralisation, deaeration, adding of chemicals, or otherwise has been treated to prevent internal corrosion and deposits in the pipes.This standard is not applicable for such units as:a) pumps,b) exchangers,c) boiler installations, tank installations,d) consumer installations.However, the full functional ability and durability of such units should be ensured in consideration of the impacts from the district heating system and other impacts occurring from the conditions under which they have been installed.Guidelines for product quality inspection and in situ tests of joints are given in Annex A of EN 448:2009, Annex D of EN 253:2009, Annex A of EN 488:2009 and Annex B of EN 489:2009.Guidelines for welding of polyethylene casing are given in Annex B of EN 448:2009.The estimation of expected life with continuous operation at various temperatures is outlined in Annex B of EN 253:2009.【中国标准分类号】: Q83【国际标准分类号】: 23_040_01;91_140_10【页数】: 124P.;A4【正文语种】: 英语
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