DN1000 (40" NB) PN6 FF BLIND FLANGE CS S235 JR

Flange overall diameter: 1175mm (D)
PCD: 1120mm (K)
Bolt Holes: 28 off 30mm diameter (L)
Flange Thickness: 52mm (C4)
Diameter of Flat Face (RF): 1090mm (D1)
Height of Flat Face: 5mm (F1)
Material: Mild Steel
Grade: S235 JR
Standards: EN1092-1
Flange Face: Flat Face
Certification Available: 2.1 BS EN 10204 Material Certification

Alternative terminology:
Blank Flange, Blind, Mild Steel, Carbon Steel, Flat Faced, FF Blind