ANSI 150 Backing Flange Stainless: 280mmBFS316A280
Table D Backing Flange Galvanised: 450mmBFGD450
Table E Backing Flange Galvanised: 355mmBFGE355
Table D Backing Flange Galvanised: 710mmBFGD710
Table E Backing Flange Galvanised: 800mmBFGE800
Table D Backing Flange Stainless: 63mmBFS316D/E063
Table D Backing Flange Stainless: 500mmBFS316D500