Abstract: An apparatus for safely emptying aerosol spray cans filled with active ingredient and flammable propellant gas which cans have valve seat inserts for spraying the active ingredient is provided. The apparatus comprises an explosion-proof casing (1) with a cap (3), a discharge pipe (7) connected to the lower end of casing (1), a first valve (12) for venting the gaseous propellant and which shuts off discharge pipe (7), a second valve (13) for draining off the liquid active ingredient which shuts off discharge pipe (7) and clamp means (5) sealed in explosion-proof manner passing through the base of casing (1) and which is movable upwardly and downwardly for removing the valve seat from a spray can placed in casing (1).