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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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ANSI B16.5 Class 400 Threaded Flanges
Unit of Measure
Items ANSI B16.5 Class 400 Threaded Flanges
0H900THAN
ANSI B16.5 Class 900 Threaded Flanges
ANSI B16.5 Class 400 Threaded Flanges
3Q900THAN
ANSI B16.5 Class 900 Threaded Flanges
ANSI B16.5 Class 400 Threaded Flanges
01900THAN
ANSI B16.5 Class 900 Threaded Flanges
ANSI B16.5 Class 400 Threaded Flanges
1Q900THAN
ANSI B16.5 Class 900 Threaded Flanges
ANSI B16.5 Class 400 Threaded Flanges
1H900THAN
ANSI B16.5 Class 900 Threaded Flanges
Flange Type N/A Threaded
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 1.25 in N/A 1.38 in N/A 1.63 in N/A 1.63 in N/A 1.75 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
Approximate Weight N/A 4 lb N/A 5 lb N/A 8 lb N/A 9 lb N/A 12 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