AWWA C509 vs. GB/T 24924: Key Standards for Water Supply Gate Valves
Compare AWWA C509 and GB/T 24924 for resilient-seated water supply gate valves by standard scope, unit system, size range, pressure rating, structural requirements, testing rules, inspection documentation, and project acceptance. The guide helps engineers and buyers understand when each standard applies and how to specify compliant gate valves for municipal water, treatment plant, and cross-border water infrastructure projects.