OPEN THIS VALVE IN EVENT OF FIRE  300 x 200  CODE 1453

AS FROM 1ST DECEMBER 1997 ALL NON-AUTOMATIC FIRE FIGHTING EQUIPMENT MUST BE INDICATED BY THE APPROPRIATE SIGN:  SOURCE:  THE FIRE PRECATIONS (WORKPLACE) REGULATIONS 1997.   TO CONFORM TO DIS3864 PART 1 PLEASE ENSURE YOU SELECT A SIGN  WITH A WHITE BORDER (THIS  HELPS DIFFERENTIATE THE SIGN FROM A BACKGROUND WALL WHICH MAY ALSO BE RED).