Product Name: Carbon Steel Plate Flange
Type: Plate Flange
Design Standard: ISO 7005
Material: ASTM A105, Forged Carbon Steel
Size: 48 Inch, DN1200
Pressure Rating: PN15, Class 150 LB
Inside Diameter: 1220 mm
Facing: Flat Face
Source: https://www.landeeflange.com/carbon-steel-plate-flanges-iso-7005-a105-48-in-cl150-ff.html