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  • All dimensions are in inches.
  • These flanges will be furnished with a 1/16" raised face unless otherwise specified.
  • Flat face option available.
  • Standard Bore will be furnished unless otherwise specified.

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Unit of Measure
Items
ANSI 150 Welding Neck Flange

ANSI B16.5 Class 150 Welding Neck Flanges

ANSI 150 Welding Neck Flange

ANSI B16.5 Class 150 Welding Neck Flanges

ANSI 150 Welding Neck Flange

ANSI B16.5 Class 150 Welding Neck Flanges

ANSI 150 Welding Neck Flange

ANSI B16.5 Class 150 Welding Neck Flanges

ANSI 150 Welding Neck Flange

ANSI B16.5 Class 150 Welding Neck 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 3.50 in N/A 3.88 in N/A 4.25 in N/A 4.63 in N/A 5.00 in
Thickness (T) N/A 0.44 in N/A 0.50 in N/A 0.56 in N/A 0.63 in N/A 0.69 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 1.88 in N/A 2.06 in N/A 2.19 in N/A 2.25 in N/A 2.44 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 1.19 in N/A 1.50 in N/A 1.94 in N/A 2.31 in N/A 2.56 in
Bore (B) N/A 0.62 in N/A 0.82 in N/A 1.05 in N/A 1.38 in N/A 1.61 in
Approximate Weight N/A 2 lb N/A 2 lb N/A 3 lb N/A 3 lb N/A 4 lb
Bolt Circle (C) N/A 2.38 in N/A 2.75 in N/A 3.13 in N/A 3.50 in N/A 3.88 in
Number of Holes N/A 4
Diameter of Holes N/A 0.63 in