超清版 GB/T 44579-2024 热塑性塑料分集水器

热塑性塑料分集水器
Water distribution and collection devices of thermoplastics materials
ICS 83.140.30
CCS G 33
中华人民共和国国家标准
GB/T 44579—2024
2024-09-29 发布2025-04-01 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 术语和定义 ··························································································· 2
4 符号和缩略语 ························································································· 2
4.1 符号 ······························································································ 2
4.2 缩略语 ··························································································· 2
5 材料和部件 ··························································································· 3
5.1 分集水器 ························································································· 3
5.2 阀门 ······························································································ 3
5.3 密封件 ··························································································· 3
6 设计 ·································································································· 3
7 要求 ·································································································· 4
7.1 外观 ······························································································ 4
7.2 颜色 ······························································································ 4
7.3 尺寸 ······························································································ 4
7.4 静液压强度 ······················································································ 5
7.5 分集水器物理力学性能 ·········································································· 6
7.6 组合件密封性 ···················································································· 7
7.7 水力平衡性能 ···················································································· 7
7.8 透光率 ··························································································· 7
7.9 卫生要求 ························································································· 7
7.10 热循环试验 ····················································································· 7
7.11 耐拉拔试验 ····················································································· 8
8 试验方法 ······························································································ 8
8.1 状态调节 ····································································