Decontamination liquid spraying apparatus

Spray liquid decontaminant (1) with a reservoir (2) for housing decontamination liquid (4), especially a solution GD5 and a spray device connected as current with the reservoir (2), for decontaminating contaminated with harmful substances objects, in which the reservoir is constructed as pressure vessel (2) with a threaded opening (10), and wherein the spray device comprises an adapter head (6) which can be screwed tightly against pressure the threaded opening, adapter head (6) carrying an air pump (12) manually operable comprising a pump tube (14) that penetrates into the pressure vessel (2) and a pump piston (16) displaceably inside the pump tube (14) via a piston rod (18) passing through the adapter head (6), in order to generate an overpressure inside the pressure vessel (2), characterized because deadaptador head (6) carries a valve (26) to regulate flow of decontaminating liquid (4) to be sprayed and that the spraying of liquid decontaminant (1) is housed in a case (38) so that the head the adapter (6) with the control valve (26) protrudes through an opening (40) in the top of the case (38).