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  • All dimensions are in inches.
  • 1/4" raised face will be added to the thickness unless otherwise specified.
  • Flat face option available.

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ASME B16.47 SERIES A RF BLIND
Unit of Measure
1 

Item #

Nominal Pipe Size

Outside Diameter (O)

Minimum Thickness (T)

Raised Face Diameter (R)

Approximate Weight

Bolt Circle (C)

Number of Holes

Diameter of Holes

26400BDSA N/A 26 N/A 38.25 in N/A 3.88 in N/A 29.50 in N/A 1263 lb N/A 34.50 in N/A 28 N/A 1.88 in
28400BDSA N/A 28 N/A 40.75 in N/A 4.12 in N/A 31.50 in N/A 1520 lb N/A 37.00 in N/A 28 N/A 2.00 in
30400BDSA N/A 30 N/A 43.00 in N/A 4.38 in N/A 33.75 in N/A 1802 lb N/A 39.25 in N/A 28 N/A 2.12 in
32400BDSA N/A 32 N/A 45.25 in N/A 4.56 in N/A 36.00 in N/A 2075 lb N/A 41.50 in N/A 28 N/A 2.12 in
34400BDSA N/A 34 N/A 47.50 in N/A 4.81 in N/A 38.00 in N/A 2415 lb N/A 43.50 in N/A 28 N/A 2.12 in
36400BDSA N/A 36 N/A 50.00 in N/A 5.06 in N/A 40.25 in N/A 2815 lb N/A 46.00 in N/A 32 N/A 2.12 in
38400BDSA N/A 38 N/A 47.50 in N/A 4.88 in N/A 40.75 in N/A 2450 lb N/A 44.00 in N/A 32 N/A 1.88 in
40400BDSA N/A 40 N/A 50.00 in N/A 5.12 in N/A 43.00 in N/A 2849 lb N/A 46.25 in N/A 32 N/A 2.00 in
42400BDSA N/A 42 N/A 52.00 in N/A 5.25 in N/A 45.00 in N/A 3160 lb N/A 48.25 in N/A 32 N/A 2.00 in
44400BDSA N/A 44 N/A 54.50 in N/A 5.50 in N/A 47.25 in N/A 3635 lb N/A 50.50 in N/A 32 N/A 2.12 in
46400BDSA N/A 46 N/A 56.75 in N/A 5.75 in N/A 49.50 in N/A 4120 lb N/A 52.75 in N/A 36 N/A 2.12 in
48400BDSA N/A 48 N/A 59.50 in N/A 6.00 in N/A 51.50 in N/A 4725 lb N/A 55.25 in N/A 28 N/A 2.38 in
50400BDSA N/A 50 N/A 61.75 in N/A 6.25 in N/A 53.62 in N/A 5303 lb N/A 57.50 in N/A 32 N/A 2.38 in
52400BDSA N/A 52 N/A 63.75 in N/A 6.44 in N/A 55.62 in N/A 5823 lb N/A 59.50 in N/A 32 N/A 2.38 in
54400BDSA N/A 54 N/A 67.00 in N/A 6.75 in N/A 57.88 in N/A 6742 lb N/A 62.25 in N/A 28 N/A 2.62 in
56400BDSA N/A 56 N/A 69.00 in N/A 6.94 in N/A 60.12 in N/A 7352 lb N/A 64.25 in N/A 32 N/A 2.62 in
58400BDSA N/A 58 N/A 71.00 in N/A 7.12 in N/A 62.12 in N/A 7986 lb N/A 66.25 in N/A 32 N/A 2.62 in
60400BDSA N/A 60 N/A 74.25 in N/A 7.44 in N/A 64.38 in N/A 9126 lb N/A 69.00 in N/A 32 N/A 2.88 in
Unit of Measure
1