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Gimmicks and Gadgets
Publication year - 1976
Publication title -
opflow
Language(s) - English
Resource type - Journals
eISSN - 1551-8701
pISSN - 0149-8029
DOI - 10.1002/j.1551-8701.1976.tb00866.x
Subject(s) - nozzle , diffuser (optics) , tube (container) , flow (mathematics) , engineering , computer science , electrical engineering , mechanical engineering , optics , physics , mechanics , light source
Discussed is a hydrant flow diffuser which is used to minimize damage and danger from the force of the water flushed from the hydrant. The Metropolitan Utilities District of Omaha, Nebraska has developed a thin‐walled steel tube which is brazed to a bored‐out hydrant cap for threading into the large nozzle. A series of interior vanes breaks up the force of the water by whirling it first in one direction and then in another. Using this device, it is possible for one man to flow a number of hydrants in the same area, saving manpower and improving efficiency.