Historical

AWWA C509-09

Resilient Seated Gate Valves For Water Supply Service


This standard covers iron-body, resilient-seated gate valves, including tapping gate valves, with nonrising stems (NRS) and outside-screw-and-yoke (OS&Y) rising stems for water supply service.


CONTENT PROVIDER
AWWA: American Water Works Association [awwa]

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Document History
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