SHUTOFF DEVICE FOR OPENING OF END PART OF FIRE EXTINGUISHING SYSTEM PIPELINE Russian patent published in 1995 - IPC

Abstract RU 2031675 C1

FIELD: fire fighting facilities. SUBSTANCE: piston installed in cylindrical housing hermetically overlaps outlet ports located on side surface of housing. Device has also working fluid acting on diaphragm and piston. EFFECT: enhanced reliability of operation. 1 dwg

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RU 2 031 675 C1

Authors

Mos'Kin A.B.

Probst I.I.

Dates

1995-03-27—Published

1990-02-09—Filed