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VALVE FOR FIRE-FIGHTING INSTALLATION WITH HIGH-PRESSURE SOURCE FOR FIRE-FIGHTING LIQUID, SPRAYING HEAD FOR FIRE-FIGHTING INSTALLATION WITH HIGH-PRESSURE SOURCE FOR FIRE-FIGHTING LIQUID
VALVE FOR FIRE-FIGHTING INSTALLATION WITH HIGH-PRESSURE SOURCE FOR FIRE-FIGHTING LIQUID, SPRAYING HEAD FOR FIRE-FIGHTING INSTALLATION WITH HIGH-PRESSURE SOURCE FOR FIRE-FIGHTING LIQUID
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机译：高压液体灭火装置用的消防阀，高压液体灭火装置用的喷头
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摘要
FIELD: fire-fighting equipment. SUBSTANCE: valve is provided with rod 6 travelling between position ready and activated or switched on positions. Auxiliary low-pressure source 9 of liquid acts on rod in direction of position ready and pressure of high-pressure source 1 of liquid acts through inlet hole 4 of valve on face 13 of collar made on rod in opposite direction. When pressure of auxiliary source of liquid falls due to supply of liquid to activated spraying heads of installation up to specified value pressure of high-pressure source acting of face 13 of collar moves rod into activated position and open direct communication between inlet 4 and outlet 5 of valve. EFFECT: simplified design, increased reliability of operation of installation without consumption of electric energy. 1 dwg
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