ANSI Polypropylene Backing Flange: 315mmBFPA315
Table D Backing Flange Stainless: 140mmBFS316D140
Table D Backing Flange Stainless: 630mmBFS316D630
Table D Backing Flange Stainless: 125mmBFS316D125
ANSI Polypropylene Backing Flange: 200mmBFPA200
Table D Backing Flange Galvanised: 200mmBFGD200