ANSI B16.47 Flanges
Weld Neck, Slip-On, Blind.

• Class 75 - Ser. B
• Class 75 - Slip-On, Ind. Standard
• Class 75 - Weld Neck, Ind. Standard
• Class 125 - LW, AWWA C207 Class B, D
• Class 125 - LW, AWWA C207 Class E
• Class 150 - Weld Neck, Ser. A
• Class 150 - Weld Neck, Ser. B
• Class 175 - Ind. Standard
• Class 300 - Weld Neck & Blind Ser. A
• Class 300 - Weld Neck & Blind Ser. B
• Class 350 - Weld Neck, Slip-On Ind. Standard
• Class 400 - Ser. A & B
• Class 600 - Ser. A & B
• Class 900 - Ser. A & B

Oriface Flanges
Weld Neck, Slip-On, Threaded.

• Class 300
• Class 400
• Class 600
• Class 900
• Class 1500
• Class 2500

Forged Seamless Long Welding Necks

• Class 150
• Class 300
• Class 400
• Class 600
• Class 900
• Class 1500
• Class 2500

Misc. Info.

• Typical Facings for Steel Pipe Flanges–Dimensions
• Typical Facings for Steel Pipe Flanges–Drawings
• Facing Dimensions for Ring Joints (Class 150-2500)
• Ring Joint Dimensions–ANSI B16.47 Ser. A 26" thru 36"
• Bolt and Stud Dimensions (Class 150 - 2500)
• Bore Chart–Wall Thicknesses & Inside Diameters
• Dimensional Tolerances
• Gasket Surface Finishes
• Ring Joint Gasket Dimensions
• Ring Numbers for Ring Joint Flanges
• Ring Joint Flange Facing Dimensions
• Threading Practice
• Beveling Standards