300mm Metric PN16 Flat Face Backing Flange Reduced Thickness ASTM/ASME SA182 F304/L BS EN1092-1 NACE MR.01.75 460mm OD / 313mm ID / 19mm Thick

DN300 Metric PN16 Reduced Thickness 19mm 3M Green Scotchkote 206N or Resicoat R4 Backing Flanges DWI and WRAS Approved OD 460MM / ID 313MM / THK 19M

304mm x 2.0mm 304/L Collars EN1092-1 Type 33 H21mm

304mm x 2.0mm 304/L Collars EN1092-1 Type 37 H34mm PN16 Rated