Quick release valve for sprinkler head

Details Quick release valve for sprinkler head Quick release valve for sprinkler head

1990-03-30

1991-02-12

Basinger, Sherman

Fire extinguishers

Sprinkler heads

Collapsible strut

A62C 3714

Patent

active

049916564

ABSTRACT:
In a quick release valve for a sprinkler head, a valve seat includes an annular stop member spaced outwardly from a fluid passage outlet having an annular beveled surface spaced outwardly from the outlet. A sealing member is seated in the valve seat. A resiliently flexible valve disk has a peripheral flange portion which is turned over the sealing member and rests against the beveled surface. The beveled surface prevents outward radial movement of the peripheral flange portion. A rigid, frangible, thermal, responsive element resiliently deflects the valve disk so as to compress the sealing member and seal the outlet.

REFERENCES:
patent: H121 (1986-09-01), Pieczykolan
patent: 585130 (1897-06-01), Steck
patent: 1797919 (1931-03-01), Loepsinger
patent: 3874455 (1975-04-01), Klesow
patent: 4121665 (1978-10-01), Woycheese
patent: 4167974 (1979-09-01), Job
patent: 4609047 (1986-09-01), Pieczykolan
patent: 4648459 (1987-03-01), Pieczykolan
patent: 4830115 (1989-05-01), Polan
patent: 4901799 (1990-02-01), Pepi et al.

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