標準號：BS EN 489-2009
中文標準名稱：區(qū)域供熱管道.直埋熱水網(wǎng)絡(luò)預(yù)裝管道系統(tǒng).供熱鋼管道,聚氨酯保溫層及聚乙烯外層的聯(lián)合裝配
英文標準名稱：District heating pipes - Preinsulated bonded pipe systems for directly buried hot water networks - Joint assembly for steel service pipes, polyurethane thermal insulation and outer casing of polyethylene
標準類型：Q83
發(fā)布日期：2009/5/31 12:00:00
實施日期：2009/5/31 12:00:00
中國標準分類號：Q83
國際標準分類號：23.040.01;91.140.60
引用標準：EN 253-2009;EN 287-1;EN 444;EN 1435;EN 12517-1-2006;EN 13941;EN 14419;EN ISO 845;EN ISO 4590-2003;EN ISO 5817-2007;EN ISO 6520-1;EN ISO 9692;EN ISO 15607-2003
適用范圍：This European Standard specifies requirements for joints made under field conditions between adjacentpreinsulated pipes and/or fittings in district heating networks. The specified general requirements are also valid forfield-made T-branches, bends, reducers, caps, etc.This European Standard covers jointing of steel service pipes by means of fusion welding, the connecting of casingends with joint casings and the thermal insulation with poured rigid PUR foam or prefabricated PUR-foam insulation.This European Standard specifies methods for type tests of complete joints and PUR-foam for joints underlaboratory conditions.The requirements of this European Standard can also be applied to casing pipe weldings/connections of on sitemade fittings.The requirements of this European Standard aim to obtain a technical life of the joints of at least 30 years.