Three-way fire hydrant

Details Three-way fire hydrant Three-way fire hydrant

1992-01-23

1994-02-22

Walton, George L.

Fluid handling

Hydrant type

251366, E03B 902

Patent

active

052878805

ABSTRACT:
A three-way wet barrel fire hydrant includes an enlarged intermediate barrel section, which effectively reduces pressure loss in the fire hydrant. The hydrant barrel is formed by an improved sand molding process which requires the mold parting line of the barrel to be selected to coincide with the centerline of the upper nozzle opening. In this manner, a pattern which forms the sand mold may be removed cleanly from the molding sand, thereby eliminating the need of multiple side cores during the casting process.

REFERENCES:
patent: Re16168 (1925-09-01), Charland
patent: 28391 (1860-05-01), Meigs
patent: 2054561 (1936-09-01), Greenberg
patent: 4000753 (1977-01-01), Ellis
patent: 4141574 (1979-02-01), Stansifer et al.
patent: 4440190 (1984-04-01), Barbe

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