标题: BS 5163 Valves for waterworks purposes [打印本页] 作者: nbkxhwd@163.com 时间: 2020-7-2 11:45:33 标题: BS 5163 Valves for waterworks purposes
BS 5163 Valves for waterworks purposes —
Part 1: Predominantly key-operated cast iron gate valves — Code of practice
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Part 2: Stem caps for use on isolating valves and associated water control apparatus — Specification
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