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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.

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Industry Standard Blind Flange
Unit of Measure
Items Industry Standard Blind Flange
26250BDIS
Industry Standard Class 250 Blind Flanges
Industry Standard Blind Flange
28250BDIS
Industry Standard Class 250 Blind Flanges
Industry Standard Blind Flange
30250BDIS
Industry Standard Class 250 Blind Flanges
Industry Standard Blind Flange
32250BDIS
Industry Standard Class 250 Blind Flanges
Industry Standard Blind Flange
34250BDIS
Industry Standard Class 250 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 38.25 in N/A 40.75 in N/A 43.00 in N/A 45.25 in N/A 47.50 in
Thickness (T) N/A 2.81 in N/A 2.94 in N/A 3.00 in N/A 3.12 in N/A 3.25 in
Raised Face Diameter (R) N/A 32.44 in N/A 34.94 in N/A 37.19 in N/A 39.44 in N/A 41.44 in
Approximate Weight N/A 853 lb N/A 1022 lb N/A 1168 lb N/A 1353 lb N/A 1560 lb
Bolt Circle (C) N/A 34.50 in N/A 37.00 in N/A 39.25 in N/A 41.50 in N/A 43.50 in
Number of Holes N/A 28
Diameter of Bolt Holes N/A 1.88 in