ISO 4422-4-1997 给水用硬聚氯乙烯(PVC-U)管材和管件 规范 第4部分:阀及辅助设备
ISO 4422-4-1997 标准详情
- 标准号:ISO 4422-4-1997
- 中文标题:给水用硬聚氯乙烯(PVC-U)管材和管件 规范 第4部分:阀及辅助设备
- 英文标题:Pipes and fittings made of unplasticized poly(vinyl chloride) (PVC-U) for water supply - Specifications - Part 4: Valves and ancillary equipment
- 标准类别:国际标准化组织标准ISO
- 发布日期:1997-10
内容简介
This part of ISO 4422 specifies the characteristics and properties of valves and ancillary equipment made of unplasticized poly(vinyl chloride) (PVC-U), to be used for buried water mains and services and for water supplies above ground, both inside a
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