COLOUR -CODED FUEL TANK COUPLINGS

摘要

Figure 1 shows a locking cap (1), in a closed position, releasably attached to an inlet pipe (2) of a compartment or tank of a storage tank means of a fuel storage facility. The locking cap (1) is generally cylindrical in form and is connected to an inlet end (2a) (coupler) of the inlet pipe (2) by means of a double acting hinge mechanism (3) having hinge axes (4, 5). The inlet end (2a) may be of a generally known type on which an inlet end locking cap can be supported or releasably attached by means of an external padlock P. The cap (1) and inlet end (2a) form a closure for pipe (2). A plurality of locking caps (1) may be provided, each provided with a different colour (indication means) to indicate the nature of a particular petrochemical fuel or the like contained or to be contained in a compartment or tank of said storage tank means. Additionally, or alternatively, the inlet ends (2a) may be provided with a different colour (indication means) to indicate the nature of a particular petrochemical fuel or the like contained or to be contained in a compartment or tank of said storage tank means.