ANSI B16.1 Industry Standard
Class 125 Long Weld Flange Class 125 Slip On Flange
Class 125 Light Weight Slip On Flange Class 125 & 150 Slip On Flange
Class 125 Weld Neck Flange Class 250 Slip On Flange
Class 125 Weld Neck Flange Class 250 Slip On Flange
Class 250 Weld Neck Flange
Class 250 Weld Neck Flange

 

ANSI B16.1 Industry Standard Flanges Classes

Class 125LW Flanges Class 125SO Flanges