Reducing Flange Dimensions

Part#: PFDLW6x4T

Reducing slip on flange has an inside diameter to weld onto 4 inch mechanical tubing (4 inch OD) with bolt hole mounting pattern to fit a 6 inch class 150 ANSI flange.

Tube flange bolt hole pattern: ANSI, 150# flange

Tube flange Inside Diameter (ID): 4.06 inches

Tube flange Outside Diameter (OD): 11 inches

Tube flange Bolt Hole Center Diameter: 9.5 inches

Tube flange Bolt Hole Diameter: 0.88 inches

Tube flange Number of Bolt Holes: 8

Tube flange thickness: 0.5 inches

Tube flange ship weight: 11.9 lbs

Material: Carbon steel per AWWA C207-13 specifications

Flange style: Plate flange, flat face flange, ring flange, weld flange or slip on flange

These tube flanges have a phonographic finish face to provide excellent adhesion with gasket during installation. This steel tube flange is coated with a light weight oil for rust prevention.

This reducing flange welds to 3 inch OD mechanical tubing and mates with a 4 inch class 150 ANSI flange. The  reducing flange is also referred as a ring flange, weld flange, back up flange or slip on reducing flange. Reducing slip on flanges are used to transition to a smaller tubing size within a system.