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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 Blind flange
Unit of Measure
Items ANSI B16.5 Class 400 Blind flange
0H900BDAN
ANSI B16.5 Class 900 Blind Flanges
ANSI B16.5 Class 400 Blind flange
3Q900BDAN
ANSI B16.5 Class 900 Blind Flanges
ANSI B16.5 Class 400 Blind flange
01900BDAN
ANSI B16.5 Class 900 Blind Flanges
ANSI B16.5 Class 400 Blind flange
1Q900BDAN
ANSI B16.5 Class 900 Blind Flanges
ANSI B16.5 Class 400 Blind flange
1H900BDAN
ANSI B16.5 Class 900 Blind Flanges
Flange Type N/A Blind
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
Approximate Weight N/A 4 lb N/A 6 lb N/A 8 lb N/A 9 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