DN400 (16" NB) PN6 RF SLIP ON PLATE FLANGE CS S235 JR

Flange inside diameter of: 411.0mm (B1)
Flange overall diameter: 540mm (D)
PCD: 495mm (K)
Bolt Holes: 16 off 22mm diameter (L)
Flange Thickness: 28mm (C1)
Diameter of Raised Face (RF): 465mm (D1)
Height of raised face: 4mm (F1)
Material: Mild Steel
Grade: S235 JR
Standards: EN1092-1
Flange Face: Raised Face
Certification Available: 2.1 BS EN 10204 Material Certification

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