Guidi have made a range of skin fittings in Bronze that can either be used on their own or with a Bronze scoop into which they fit perfectly. The skin fittings have one external anti-rotation nib in sizes up to 1 ½". The scoop is held in place by 4 screws.
The removable scoop is a recommendation of ISO 9093 - 1:1994 so seacocks can be cleared easier of obstructions.