超清版 GB/T 44317-2024 热塑性塑料内衬油管

ICS 75.180.10
CCS E 92
中华人民共和国国家标准

GB/T 44317—2024
热塑性塑料内衬油管
Thermoplastics lined tubing
2024⁃08⁃23 发布2025⁃03⁃01 实施
国家市场监督管理总局
国家标准化管理委员会发 布

目　　次
前言··························································································································Ⅲ
1　范围·······················································································································1
2　规范性引用文件········································································································1
3　术语、定义、符号和缩略语····························································································1
3.1　术语和定义········································································································1
3.2　符号·················································································································2
3.3　缩略语··············································································································2
4　产品形式·················································································································3
5　材料要求·················································································································4
5.1　基管·················································································································4
5.2　内衬管··············································································································4
5.3　CB 环···············································································································4
6　制造工艺·················································································································5
6.1　基管准备···········································································································5
6.2　螺纹加工···········································································································5
6.3　衬入工艺···········································································································5
6.4　CB 环制造及接箍拧接··························································································5
6.5　可追溯性···········································································································6
6.6　购方检验···········································································································6
7　技术要求与检验试验··································································································6
7.1　基管·················································································································6
7.2　内衬管··············································································································6
7.3　热塑性塑料内衬油管·································································