DN800 PN16 RF BOSSED SLIP ON FLANGE CS S235JR

Flange outside diameter: 1025mm (D)
Flange inside diameter: 818.0mm (B1)
Flange thickness (C2): 45mm
Pitch Circle Diameter (PCD): 950mm (K)
Hub height: 864mm (H1)
Neck diameter: 12mm (N2)
Raised Face Diameter: 5mm (d1)
Height of Raised Face: 24mm (f1)
Bolt Holes: M36 off 139.6mm diameter (L)
Material: Mild Steel
Grade: S235 JR
Standards: EN1092-1
Flange Face: Raised Face
Certification Available: 2.1 BS EN 10204 Material Certification

Alternative terminology:
Bossed Slip on Flange, Weld on, Mild Steel, Carbon Steel, Raised Faced, SOB