Product Name: Carbon Steel Slip-On Flanges
Type: Slip-On Flange
Design Standard: AWWA C207 Class D
Material: ASTM A105, Forged Carbon Steel
Size: 36 Inch, DN900
Pressure Rating: Class 150 LB, PN20
Facing Type: Flat Face
Finish: Gasket Contact Surface, MSS SP-6 (FFT)
Packaging: Export Wooden Case

Source: https://www.landeeflange.com/carbon-steel-slip-on-flanges-awwa-c207-class-d-a105-36-in.html