Standard No.:	DB22/T 5021-2019
English Name:	Technical standard for polyethylene of raised temperature resistance (PE-RT II) pipeline for heating engineering
Chinese Name:	Ⅱ型耐热聚乙烯（PE-RTⅡ)供热管道工程技术标准
Chinese Classification:	P46    Heat supply and heating engineering
Professional Classification:	DB    Provincial Standard
ICS Classification:	01.040.91 01.040.91    Construction materials and building (Vocabularies) 01.040.91
Source Content Issued by:	Jilin Provincial Department of Housing and Urban-rural Development; Jilin Provincial Administration of Market Regulation
Issued on:	2019-06-24
Implemented on:	2019-6-24
Status:	valid
Target Language:	English
File Format:	PDF

为规范ⅡI型耐热聚乙烯(PE-RTII)供热管道在低温热水供热领域的应用，做到技术先进、经济合理、安全运行和保证工程质量，制定本标准。
本标准适用于工作压力不大于1.2MPa、设计温度不大于75℃、公称外径小于或等于450mm的II型耐热聚乙烯低温热水供热管道工程的设计、施工及验收。
II型耐热聚乙烯供热管道工程的设计、施工及验收除应符合本标准外，尚应符合国家现行有关标准的规定。