GB/T 38097-2019
城镇供热玻璃纤维增强塑料外护层 聚氨酯泡沫塑料预制直埋保温管及管件
Urban heating—Prefabricated directly buried insulating pipes and fittings with polyurethane] PUR) fdamed-plastics and glass fiber reinforced plastics protect layers
2019-10-18 发布
2020-09-01 实施
目 次
前言.........................................1
1范围..........................................1
2规范性引用文件.....................................1
3术语和定义.......................................1
4结构..........................................2
5要求..........................................2
5-1工作钢管.....................................2
5.2钢制管件.....................................2
5.3外护层......................................5
5.4保温层......................................6
5.5保温管......................................6
5.6保温管件.....................................8
5.7保温接头....................................10
6试验方法.......................................10
7检验规则.......................................10
7.1 岀厂检验...................................10
7.2型式检验....................................13
8标志、运输和贮存...................................13
8-1标志......................................13
8.2运输......................................14
8-3贮存......................................14
附录A （规范性附录）保温接头的制作..........................15
附录B （规范性附录）外护层巴氏硬度的试验方法.....................16
参考文献........................................19