Table D Backing Flange Galvanised: 250mmBFGD250
ANSI 150 Backing Flange Stainless: 315mmBFS316A315
Table E Backing Flange Galvanised: 500mmBFGE500
Table E Backing Flange Galvanised: 450mmBFGE450
Table E Backing Flange Galvanised: 710mmBFGE710