DN20 PN10/PN16/PN25/PN40 RF SLIP ON PLATE FLANGE CS S235JR

Flange inside diameter of: 27.5mm (B1)
Flange overall diameter: 105mm (D)
PCD: 75mm (K)
Bolt Holes: 4 off 14mm diameter (L)
Flange Thickness: 16mm (C1)
Diameter of Raised Face (RF): 50mm (D1)
Height of raised face: 2mm (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