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  • All dimensions are in inches.
  • These flanges will be furnished with a 1/4" raised face unless otherwise specified.
  • Flat face option available.

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Unit of Measure
Items
ANSI B16.5 Class 400 Weld Neck Flange

ANSI B16.5 Class 1500 Socket Weld Flanges

ANSI B16.5 Class 400 Weld Neck Flange

ANSI B16.5 Class 1500 Socket Weld Flanges

ANSI B16.5 Class 400 Weld Neck Flange

ANSI B16.5 Class 1500 Socket Weld Flanges

ANSI B16.5 Class 400 Weld Neck Flange

ANSI B16.5 Class 1500 Socket Weld Flanges

ANSI B16.5 Class 400 Weld Neck Flange

ANSI B16.5 Class 1500 Socket Weld Flanges
Flange Type N/A Welding Neck
Nominal Pipe Size N/A 1/2 N/A 3/4 N/A 1 N/A 1 1/4 N/A 1 1/2
Outside Diameter (O) N/A 4.75 in N/A 5.13 in N/A 5.88 in N/A 6.25 in N/A 7.00 in
Thickness (T) N/A 0.88 in N/A 1.00 in N/A 1.13 in N/A 1.13 in N/A 1.25 in
Raised Face Diameter (R) N/A 1.38 in N/A 1.69 in N/A 2.00 in N/A 2.50 in N/A 2.88 in
Length Thru Hub (Y) N/A 2.38 in N/A 2.75 in N/A 2.88 in N/A 2.88 in N/A 3.25 in
Point of Weld (A) N/A 0.84 in N/A 1.05 in N/A 1.32 in N/A 1.66 in N/A 1.90 in
Hub Diameter (X) N/A 1.50 in N/A 1.75 in N/A 2.06 in N/A 2.50 in N/A 2.75 in
Bore (B) N/A Specified by purchaser
Approximate Weight N/A 5 lb N/A 6 lb N/A 9 lb N/A 10 lb N/A 13 lb
Bolt Circle (C) N/A 3.25 in N/A 3.50 in N/A 4.00 in N/A 4.38 in N/A 4.88 in
Number of Holes N/A 4
Diameter of Holes N/A 0.88 in N/A 0.88 in N/A 1.00 in N/A 1.00 in N/A 1.13 in