DIN16 Backing Flange Galvanised: 110mmBFGDIN16110
ANSI 150 Backing Flange Stainless: 140mmBFS316A140
DIN16 Backing Flange Galvanised: 200mmBFGDIN16200
ANSI 150 Backing Flange Stainless: 315mmBFS316A315