Abstract: A sealing cap, for use on the valve of a barrel having an opening with a collar and a valve sealing plate, is made of plastics and is of the type which is damaged during opening. The cap comprises a cover plate and a cylindrical guide. Locking elements are disposed on an inner side of said cylindrical guide, and, in use, engage resiliently under the collar such that the valve sealing plate covers said locking elements at the top, and said cylindrical guide covers said locking elements towards the outside. Narrow radially aligned webs are provided on one part of said cover plate, which webs frangibly connect said cover plate and said cylindrical guide.

Abstract: A pilfer-proof sealing cap for use with keg barrels is arranged to fit over the disc on the barrel on which the tapping valve is mounted, and comprises a cover plate and a cylindrical skirt depending therefrom wherein the skirt includes inwardly sprung locking elements which engage under the disc. Inspection windows may be provided in order to check the condition of the locking elements which are arranged to break-off if the cap is removed or tampered with.