SHUTOFF DEVICE FOR REMOTE OPENING OF END PART OF FIRE PIPELINE

摘要

FIELD: fire-fighting equipment, more specifically, devices for remote one-time action installed on fire-extinguishing systems for discharge of fire-extinguishing substances. SUBSTANCE: shutoff device has cylindrical body with discharging channel tightly covered with plug and membrane in the form of transverse pin. Shutoff part of cutoff pipe of fire pipeline is ended in plug held by membrane in the form of transverse pin having centralizer for supporting (tightening) plug end and two on each side levels of pin shear located opposite during device operation and pin fastening to end part of pipe. End appliance has side branch with cock and connecting head for connection of fire hose for manual water supply to face of development working. EFFECT: higher efficiency of fire control in blind workings of gassy mines. 1 dwg