ASME A112.21.3M (1985)

Hydrants for Utility and Maintenance use

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Annotation and contents

The standards covers hydrants including nonfreeze wall, ground, post, and floor types and moderate climate wall and floor types, which are used in buildings and grounds as water supply terminals, employed principally for lawn and flower bed watering hoses and normal building maintenance functions. This Standard covers definitions, connections, materials, variations, testing and operation, and general requirements for the hydrant types included in the standard.