Product Name: ASME B16.5 Slip-On Flanges
Type: SO Flange
Design Standard: ASME B16.5
Material: ASTM A182 F316L, Stainless Steel
Size: 12 Inch, DN300, 300 mm
Pressure Rating: Class 600 LB, PN100
Facing: Raised Face
Source: https://www.landeeflange.com/asme-b16-5-slip-on-flanges-astm-a182-f316l-12-inch-600-lb.html