Abstract: The device comprises a conveyor for displacing the containers to be tested in translation in relation to a tunnel-shaped fixed enclosure and comprising internally a heating means. This heating means is constituted by a plurality of infrared lamps each of which is protected by a casing having a side transparent to the radiation emitted. An automatic monitoring device checks that each container entering the tunnel leaves it after a given advance of the conveyor, otherwise a safety device is triggered. The device can be used for testing the mechanical strength of pressurized containers of the aerosol can type on a continuous production line.

Abstract: A flow indicator has a pivoting flap fitted in ducting of a hydraulic installation which transports contaminated liquids. To permit the purge of a reservoir, the flap has an opening for air returning through the ducting. The opening prevents overpressure or vacuum in a circuit. The invention applies specifically to purge and vent circuits for nuclear power installations.