Wet-Barrel Fire Hydrants

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Wet-Barrel Fire Hydrants

Wet-Barrel Fire Hydrants

Name: Wet-Barrel Fire Hydrants
ISBN: 9781625760258

AWWA,

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This standard pertains to the various types and classes of wet-barrel fire hydrants for use in water-supplyfire-protection service in areas where the climate is mild and freezing temperatures do not occur. A wet-barrel hydrant has one or more valve openings above the ground line and, under normal operating conditions, the entire interior of the hydrant is subjected to water pressure at all times. Each outlet nozzle has an independent, compression-type valve (i.e., working with or against the pressure) that controls discharge from that particular outlet. Major changes made to the 2014 version of this standard include: 1. Revised requirements for aluminum bronze alloys 2. Added requirements for threaded and nonthreaded outlet nozzle connections 3. Added casting date marking requirements

Κατηγορίες:

Engineering

Έτος:

2014

Εκδότης:

American Water Works Association

Γλώσσα:

english

Σελίδες:

ISBN 10:

1625760256

ISBN 13: