
GB/T 37997-2019
输送炷类溶剂和化学品用多层热塑性塑料(非硫化)软管及软管组合件规范
Thermoplastic multi-layer(non-vulcanized) hoses and hose assemblies for the transfer of hydrocarbons, solvents and chemicals—Specification (ISO 27126:2014,MOD)
2019-08-30 发布
2020-07-01 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....................................2
4分类.......................................2
5材料及结构....................................2
6 尺寸......................................3
7软管和软管组合件的性能要求 ...........................4
8试验频次.....................................6
9 型式试验....................................6
10标识......................................7
11选择、贮存、使用和维护.............................7
附录A (资料性附录)耐输送化学品 ........................8
附录B (规范性附录)碳素钢丝...........................9
附录C (规范性附录)镀锌层...........................10
附录D (规范性附录)挤压恢复试验方法......................11
附录E (规范性附录)耐燃油性试验........................12
附录F (规范性附录)热老化试验.........................13
附录G (规范性附录)可燃性试验.........................14
附录H (规范性附录)静液压组合试验.......................15
附录1(规范性附录)接头安全性试验........................16
附录J (规范性附录)密封试验..........................17
附录K (规范性附录)软管和软管组合件的型式试验和例行试验............18
附录L (资料性附录)软管和软管组合件的生产验收试验...............19
参考文献.....................................20