UNIVERSAL PRESSURE ALARM INDICATOR Russian patent published in 2020 - IPC A62C37/50 

FIELD: physics.

SUBSTANCE: signalling device has a plastic chimney housing with a membrane and a plastic pusher, which passes through the central hole of the plastic base mounted on the body. On the insert there is a microswitch with a changeover contact, which is closed by the lower plastic cover, on top of which there is a terminal block connected by electric wires with a microswitch, terminal board is closed by upper plastic cover, at that housing, pusher, insert, both covers are installed with possibility of double electric insulation of current-conducting parts of signalling device.

EFFECT: universal pressure indicator is designed for use in automatic fire extinguishing installations.

7 cl, 2 dwg