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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
0H400BDAN
ANSI B16.5 Class 400 Blind Flanges
ANSI B16.5 Class 400 Blind flange
3Q400BDAN
ANSI B16.5 Class 400 Blind Flanges
ANSI B16.5 Class 400 Blind flange
01400BDAN
ANSI B16.5 Class 400 Blind Flanges
ANSI B16.5 Class 400 Blind flange
1Q400BDAN
ANSI B16.5 Class 400 Blind Flanges
ANSI B16.5 Class 400 Blind flange
1H400BDAN
ANSI B16.5 Class 400 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 3.75 in N/A 4.63 in N/A 4.88 in N/A 5.25 in N/A 6.13 in
Thickness (T) N/A 0.56 in N/A 0.63 in N/A 0.69 in N/A 0.81 in N/A 0.88 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 2 lb N/A 3 lb N/A 4 lb N/A 5 lb N/A 8 lb
Bolt Circle (C) N/A 2.63 in N/A 3.25 in N/A 3.50 in N/A 3.88 in N/A 4.50 in
Number of Holes N/A 4
Diameter of Holes N/A 0.63 in N/A 0.75 in N/A 0.75 in N/A 0.75 in N/A 0.88 in