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

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Blind Flange
Unit of Measure
Items Blind Flange
26300BDSB
ASME B16.47 Class 300 Series B Blind Flanges
Blind Flange
28300BDSB
ASME B16.47 Class 300 Series B Blind Flanges
Blind Flange
30300BDSB
ASME B16.47 Class 300 Series B Blind Flanges
Blind Flange
32300BDSB
ASME B16.47 Class 300 Series B Blind Flanges
Blind Flange
34300BDSB
ASME B16.47 Class 300 Series B Blind Flanges
Flange Type N/A Blind
Nominal Pipe Size N/A 26 N/A 28 N/A 30 N/A 32 N/A 34
Outside Diameter (O) N/A 34.12 in N/A 36.25 in N/A 39.00 in N/A 41.50 in N/A 43.62 in
Minimum Thickness (T) N/A 3.50 in N/A 3.50 in N/A 3.69 in N/A 4.06 in N/A 4.06 in
Raised Face Diameter (R) N/A 29.00 in N/A 31.00 in N/A 33.25 in N/A 35.50 in N/A 37.50 in
Approximate Weight N/A 905 lb N/A 1023 lb N/A 1250 lb N/A 1556 lb N/A 1719 lb
Bolt Circle (C) N/A 31.62 in N/A 33.75 in N/A 36.25 in N/A 38.50 in N/A 40.62 in
Number of Holes N/A 32 N/A 36 N/A 36 N/A 32 N/A 36
Diameter of Holes N/A 1.38 in N/A 1.38 in N/A 1.50 in N/A 1.62 in N/A 1.62 in