PN21 Backing Flange Galvanised: 630mmBFG21630
Table D Backing Flange Stainless: 900mmBFS316D900
ANSI 150 Backing Flange Galvanised: 250mmBFGA250
PN21 Backing Flange Galvanised: 160mmBFG21160
PN16 Backing Flange Galvanised: 280mmBFG16280
PN16 Backing Flange Galvanised: 450mmBFG16450
ANSI 150 Backing Flange Galvanised: 315mmBFGA315
PN16 Backing Flange Galvanised: 90mmBFG16090