This standard establishes the methods for sealing the flanged connections of equipment , systems and/or preassembled units which are to be forwarded or stored prior to installation or final assembly .Should the equipment or component have to be pressurized , any closing covers shall have to be replaced with appropriate class of blank flanges.For applications at Le Creusot GE , Eng Dept , under its responsibility , can define gaskets , covers and fasteners different from the ones required by this spec , provided that they are compliant with ASME B 16.5