PN16 Backing Flange Galvanised: 180mmBFG16180
Table D Backing Flange Stainless: 20mmBFS316D/E020
ANSI 150 Backing Flange Galvanised: 225mmBFGA225
PN16 Backing Flange Galvanised: 400mmBFG16400
ANSI 150 Backing Flange Galvanised: 20mmBFGA020