Title:
SPRINKLER FIRE EXTINGUISHING EQUIPMENT
Document Type and Number:
Japanese Patent JP3205883
Kind Code:
B2
Abstract:
PURPOSE: To provide the fire extinguishing equipment which can execute efficiently water discharge for fire extinguishment.
CONSTITUTION: Plural sprinkler heads 1 are connected to a secondary side piping 2 from an open valve 3, respectively. A pressure governing valve 40 operates in the case pressure in the secondary side piping 2 is low, and executes pressure governing and water filling. When the pressure in the secondary side piping 2 becomes higher than prescribed pressure, a valve body 65 of a draining valve 61 opens, executes drainage to a drainage tube 25, and closes when the inside of the secondary side piping 2 becomes the prescribed pressure being efficient for fire extinguishment.
Inventors:
Hitoshi Yamada
Application Number:
JP25862792A
Publication Date:
September 04, 2001
Filing Date:
September 28, 1992
Export Citation:
Assignee:
Nomi Disaster Prevention Co., Ltd.
International Classes:
A62C35/64; (IPC1-7): A62C35/64
Domestic Patent References:
| JP51116098A | ||||
| JP4242669A | ||||
| JP4253873A | ||||
| JP6384571A |