STAINLESS STEEL BLIND FLANGES

  • CLASS 150#
  • CLASS 300#
  • CLASS 600#
  • CLASS 900#
  • CLASS 1500#
  • CLASS 2500#

CLASS 150# BLIND FLANGE ANSI B16.50

ITEM ID SIZE OD Thickness Weight
ITEM ID SIZE OD THK WEIGHT
BF.5150 1/2" 3-1/2" 3/8" 2
BF.75150 3/4" 3-7/8" 7/16" 2
BF1150 1" 4-1/4" 1/2" 2
BF1.25150 1-1/4" 4-5/8" 9/16" 3
BF1.5150 1-1/2" 5" 5/8" 4
BF2150 2" 6" 11/16" 5
BF2.5150 2-1/2" 7" 13/16" 7
BF3150 3" 7-1/2" 7/8" 9
BF3.5150 3-1/2" 8-1/2" 7/8" 13
BF4150 4" 9" 7/8" 17
BF5150 5" 10" 7/8" 20
BF6150 6" 11" 15/16" 27
BF8150 8" 13-1/2" 1-1/16" 47
BF10150 10" 16" 1-1/8" 70
BF12150 12" 19" 1-3/16" 123
BF14150 14" 21" 1-15/16" 140
BF16150 16" 23-1/2" 1-3/8" 180
BF18150 18" 25" 1-1/2" 220
BF20150 20" 27-1/2" 1-5/8" 285
BF22150 22" 29-1/2" 1-3/4" 355
BF24150 24" 32" 1-13/16" 430

CLASS 150# BLIND FLANGE ASME B16.47 (SERIES A)

ITEM ID SIZE OD Thickness Weight
ITEM ID SIZE OD THK WEIGHT
BF26150SA 26" 34-1/4" 2-5/8" 702
BF28150SA 28" 36-1/2" 2-3/4" 833
BF30150SA 30" 38-3/4" 2-7/8" 982
BF32150SA 32" 41-3/4" 3-1/8" 1,237
BF34150SA 34" 43-3/4" 3-3/16" 1,384
BF36150SA 36" 46" 3-1/2" 1,676
BF38150SA 38" 48-3/4" 3-3/8" 1,819
BF40150SA 40" 50-3/4" 3-1/2" 2,040
BF42150SA 42" 53" 3-3/4" 2,381
BF44150SA 44" 55-1/4" 3-15/16" 2,717
BF46150SA 46" 57-1/4" 4" 2,961
BF48150SA 48" 59-1/2" 4-3/16" 3,348
BF50150SA 50" 61-3/4" 4-5/16" 3,716
BF52150SA 52" 64" 4-1/2" 4,156
BF54150SA 54" 66-1/4" 4-11/16" 4,639
BF56150SA 56" 68-3/4" 4-13/16" 5,132
BF58150SA 58" 71" 5" 5,675
BF60150SA 60" 73" 5-1/8" 6,154

CLASS 150# BLIND FLANGE ASME B16.47 (SERIES B)

ITEM ID SIZE OD Thickness Weight
ITEM ID SIZE OD Thickness Weight
BF26150SB 26" 30-15/16" 1-11/16" 373
BF28150SB 28" 32-15/16" 1-13/16" 454
BF30150SB 30" 34-15/16" 1-15/16" 543
BF32150SB 32" 37-1/16" 2-1/16" 648
BF34150SB 34" 39-9/16" 2-3/16" 783
BF36150SB 36" 41-5/8" 2-1/4" 890
BF38150SB 38" 44-1/4" 2-7/16" 1,089
BF40150SB 40" 46-1/4" 2-9/16" 1,247
BF42150SB 42" 48-1/4" 2-5/8" 1,393
BF44150SB 44" 50-1/4" 2-3/4" 1,579
BF46150SB 46" 52-13/16" 2-7/8" 1,824
BF48150SB 48" 54-13/16" 3" 2,045
BF50150SB 50" 56-13/16" 3-1/8" 2,284
BF52150SB 52" 58-13/16" 3-1/4" 2,547
BF54150SB 54" 61" 3-3/8" 2,846
BF56150SB 56" 63" 3-1/2" 3,144
BF58150SB 58" 65-15/16" 3-5/8" 3,560
BF60150SB 60" 67-15/16" 3-3/4" 3,913

CLASS 300# BLIND FLANGE ANSI B16.50

ITEM ID SIZE OD Thickness Weight
ITEM ID SIZE OD THK WEIGHT
BF.5300 1/2" 3-3/4" 1/2" 2
BF.75300 3/4" 4-5/8" 9/16" 3
BF1300 1" 4-7/8" 5/8" 4
BF1.25300 1-1/4" 5-1/4" 11/16" 6
BF1.5300 1-1/2" 6-1/8" 3/4" 7
BF2300 2" 6-1/2" 13/16" 8
BF2.5300 2-1/2" 7-1/2" 15/16" 12
BF3300 3" 8-1/4" 1-1/16" 16
BF3.5300 3-1/2" 9" 1-1/8" 21
BF4300 4" 10" 1-3/16" 28
BF5300 5" 11" 1-5/16" 37
BF6300 6" 12-1/2" 1-3/8" 50
BF8300 8" 15" 1-9/16" 81
BF10300 10" 17-1/2" 1-13/16" 124
BF12300 12" 20-1/2" 1-15/16" 185
BF14300 14" 23" 2-1/16" 250
BF16300 16" 25-1/2" 2-3/16" 315
BF18300 18" 28" 2-5/16" 414
BF20300 20" 30-1/2" 2-7/16" 515
BF22300 22" 33" 2-9/16" 640
BF24300 24" 36" 2-11/16" 800

CLASS 300# BLIND FLANGE ASME B16.47 (SERIES A)

ITEM ID SIZE OD Thickness Weight
ITEM ID SIZE OD THK WEIGHT
BF26300SA 26" 38-1/4" 3-1/4" 1,078
BF28300SA 28" 40-3/4" 3-1/2" 1,315
BF30300SA 30" 43" 3-11/16" 1,543
BF32300SA 32" 45-1/4" 3-7/8" 1,795
BF34300SA 34" 47-1/2" 4-1/16" 2,068
BF36300SA 36" 50" 4-5/16" 2,436
BF38300SA 38" 46" 4-3/16" 2,001
BF40300SA 40" 48-3/4" 4-7/16" 2,380
BF42300SA 42" 50-3/4" 4-5/8" 2,688
BF44300SA 44" 53-1/4" 4-13/16" 3,079
BF46300SA 46" 55-3/4" 5" 3,499
BF48300SA 48" 57-3/4" 5-3/16" 3,896
BF50300SA 50" 60-1/4" 5-7/16" 4,442
BF52300SA 52" 62-1/4" 5-5/8" 4,906
BF54300SA 54" 65-1/4" 5-15/16" 5,684
BF56300SA 56" 67-1/4" 6" 6,098
BF58300SA 58" 69-1/4" 6-3/16" 6,669
BF60300SA 60" 71-1/4" 6-3/8" 7,274

CLASS 300# BLIND FLANGE ASME B16.47 (SERIES B)

ITEM ID SIZE OD Thickness Weight
ITEM ID SIZE OD Thickness Weight
BF26300SB 26" 34-1/8" 3-7/16" 907
BF28300SB 28" 36-1/4" 3-7/16" 1,023
BF30300SB 30" 39" 3-5/8" 1,249
BF32300SB 32" 41-1/2" 4" 1,556
BF34300SB 34" 43-5/8" 4" 1,719
BF36300SB 36" 46-1/8" 4" 1,921
BF38300SB 38" 48-1/8" 4-5/16" 2,257
BF40300SB 40" 50-1/8" 4-1/2" 2,549
BF42300SB 42" 52-1/2" 4-5/8" 2,876
BF44300SB 44" 54-1/2" 4-15/16" 3,304
BF46300SB 46" 57-1/2" 5-1/16" 3,766
BF48300SB 48" 59-1/2" 5-1/4" 4,183
BF50300SB 50" 61-1/2" 5-7/16" 4,629
BF52300SB 52" 63-1/2" 5-5/8" 5,096
BF54300SB 54" 65-7/8" 5-13/16" 5,678
BF56300SB 56" 69-1/2" 6-1/8" 6,642
BF58300SB 58" 71-15/16" 6-5/16" 7,347
BF60300SB 60" 73-15/16" 6-1/2" 7,980

CLASS 600# BLIND FLANGE ANSI B16.50

ITEM ID SIZE OD Thickness Weight
ITEM ID SIZE OD THK WEIGHT
BF.5600 1/2" 3-3/4" 9/16" 3
BF.75600 3/4" 4-5/8" 5/8" 4
BF1600 1" 4-7/8" 11/16" 4
BF1.25600 1-1/4" 5-1/4" 13/16" 6
BF1.5600 1-1/2" 6-1/8" 7/8" 8
BF2600 2" 6-1/2" 1" 10
BF2.5600 2-1/2" 7-1/2" 1-1/8" 15
BF3600 3" 8-1/4" 8-1/4" 20
BF3.5600 3-1/2" 9" 1-3/8" 29
BF4600 4" 10-3/4" 1-1/2" 41
BF5600 5" 13" 1-3/4" 68
BF6600 6" 14" 1-7/8" 86
BF8600 8" 16-1/2" 2-3/16" 140
BF10600 10" 20" 2-1/2" 231
BF12600 12" 22" 2-5/8" 295
BF14600 14" 23-3/4" 2-3/4" 378
BF16600 16" 27" 3" 527
BF18600 18" 29-1/4" 3-1/4" 665
BF20600 20" 32" 3-1/2" 855
BF22600 22" 34-1/4 3-3/4" 1000
BF24600 24" 37" 4" 1250

CLASS 600# BLIND FLANGE ASME B16.47 (SERIES A)

ITEM ID SIZE OD Thickness Weight
ITEM ID SIZE OD THK WEIGHT
BF26600SA 26" 40" 4-15/16" 1,759
BF28600SA 28" 42-1/4" 5-3/16" 2,061
BF30600SA 30" 44-1/2" 5-1/2" 2,423
BF32600SA 32" 47" 5-13/16" 2,856
BF34600SA 34" 49" 6-1/16" 3,237
BF36600SA 36" 51-3/4" 6-3/8" 3,802
BF38600SA 38" 50" 6-1/8" 3,404
BF40600SA 40" 52" 6-3/8" 3,838
BF42600SA 42" 55-1/4" 6-3/4" 4,585
BF44600SA 44" 57-1/4" 7" 5,105
BF46600SA 46" 59-1/2" 7-5/16" 5,758
BF48600SA 48" 62-3/4" 7-11/16" 6,737
BF50600SA 50" 65-3/4" 8" 7,695
BF52600SA 52" 67-3/4" 8-1/4" 8,426
BF54600SA 54" 70" 8-9/16" 9,333
BF56600SA 56" 73" 8-7/8" 10,529
BF58600SA 58" 75" 9-1/8" 11,414
BF60600SA 60" 78-1/2" 9-9/16" 13,108

CLASS 600# BLIND FLANGE ASME B16.47 (SERIES B)

ITEM ID SIZE OD Thickness Weight
ITEM ID SIZE OD Thickness Weight
BF26600SB 26" 35" 4-3/8" 1,194
BF28600SB 28" 37-1/2" 4-9/16" 1,427
BF30600SB 30" 40-1/4" 5" 1,802
BF32600SB 32" 42-3/4" 5-5/16" 2,159
BF34600SB 34" 45-3/4" 5-11/16" 2,645
BF36600SB 36" 47-3/4" 5-15/16" 3,013
BF38600SB 38" 50" 6-1/8" 3,404
BF40600SB 40" 52" 6-3/8" 3,838
BF42600SB 42" 55-1/4" 6-3/4" 4,585
BF44600SB 44" 57-1/4" 7" 5,105
BF46600SB 46" 59-1/2" 7-5/16" 5,758
BF48600SB 48" 62-3/4" 7-11/16" 6,737
BF50600SB 50" 65-3/4" 8" 7,695
BF52600SB 52" 67-3/4" 8-1/4" 8,426
BF54600SB 54" 70" 8-9/16" 9,333
BF56600SB 56" 73" 8-7/8" 10,529
BF58600SB 58" 75" 9-1/8" 11,414
BF60600SB 60" 78-1/2" 9-9/16" 13,108

CLASS 900# BLIND FLANGE ANSI B16.50

ITEM ID SIZE OD Thickness Weight
ITEM ID SIZE OD THK WEIGHT
BF.5900 1/2" 4-3/4" 7/8" 4
BF.75900 3/4" 5-1/8" 1" 6
BF1900 1" 5-7/8" 1-1/8" 9
BF1.25900 1-1/4" 6-1/4" 1-1/8" 10
BF1.5900 1-1/2" 7" 1-1/4" 14
BF2900 2" 8-1/2" 1-1/2" 25
BF2.5900 2-1/2" 9-5/8" 1-5/8" 32
BF3900 3" 9-1/2" 1-1/2" 35
  3-1/2"      
BF4900 4" 11-1/2" 1-3/4" 54
BF5900 5" 13-3/4" 2" 87
BF6900 6" 15" 2-3/16" 115
BF8900 8" 18-1/2" 2-1/2" 200
BF10900 10" 21-1/2" 2-3/4" 290
BF12900 12" 24" 3-1/8" 415
BF14900 14" 25-1/4" 3-3/8" 520
BF16900 16" 27-3/4" 2-1/2" 619
BF18900 18" 31" 4" 880
BF20900 20" 33-3/4" 4-1/4" 1107
22"
BF24900 24" 41" 5-1/2" 2099

CLASS 900# BLIND FLANGE ASME B16.47 (SERIES A)

ITEM ID SIZE OD Thickness Weight
ITEM ID SIZE OD THK WEIGHT
BF26900SA 26" 42-3/4" 6-5/16" 2,566
BF28900SA 28" 46" 6-3/4" 3,178
BF30900SA 30" 48-1/2" 7-13/16" 3,758
BF32900SA 32" 51-3/4" 7-5/8" 4,541
BF34900SA 34" 55" 8-1/16" 5,425
BF36900SA 36" 57-1/2" 8-7/16" 6,209
BF38900SA 38" 57-1/2" 8-1/2" 6,253
BF40900SA 40" 59-1/2" 8-13/16" 6,940
BF42900SA 42" 61-1/2" 9-1/8" 7,675
BF44900SA 44" 64-7/8" 9-9/16" 8,954
BF46900SA 46" 68-1/4" 10-1/16" 10,426
BF48900SA 48" 70-1/4" 10-3/8" 11,398

CLASS 900# BLIND FLANGE ASME B16.47 (SERIES B)

ITEM ID SIZE OD Thickness Weight
ITEM ID SIZE OD Thickness Weight
BF26900SB 26" 40-1/4" 6-1/16" 2,184
BF28900SB 28" 43-1/2" 6-9/16" 2,762
BF30900SB 30" 46-1/2" 6-15/16" 3,334
BF32900SB 32" 48-3/14" 7-5/16" 3,865
BF34900SB 34" 51-3/4" 7-11/16" 4,576
BF36900SB 36" 53" 7-15/16" 4,963
BF38900SB 38" 57-1/2" 8-1/2" 6,253
BF40900SB 40" 59-1/2" 8-13/16" 6,940
BF42900SB 42" 61-1/2" 9-1/8" 7,675
BF44900SB 44" 64-7/8" 9-9/16" 8,954
BF46900SB 46" 68-1/4" 10-1/16" 10,426
BF48900SB 48" 70-1/4" 10-3/8" 11,398

CLASS 1500# BLIND FLANGE ANSI B16.50

ITEM ID SIZE OD Thickness Weight
ITEM ID SIZE OD THK WEIGHT
BF.51500 1/2" 4-3/4" 7/8" 4
BF.751500 3/4" 5-1/8" 1" 6
BF11500 1" 5-7/8" 1-1/8" 9
BF1.251500 1-1/4" 6-1/4" 1-1/8" 10
BF1.51500 1-1/2" 7" 1-1/4" 14
BF21500 2" 8-1/2" 1-1/2" 25
BF2.51500 2-1/2" 9-5/8" 1-5/8" 35
BF31500 3" 10-1/2" 1-7/8" 48
  3-1/2"      
BF41500 4" 12-1/4" 2-1/8" 73
BF51500 5" 14-3/4" 2-7/8" 140
BF61500 6" 15-1/2" 3-1/4" 160
BF81500 8" 19" 3-5/8" 302
BF101500 10" 23" 4-1/4" 510
BF121500 12" 26-1/2" 4-7/8" 775
BF141500 14" 29-1/2" 5-1/4" 975
BF161500 16" 32-1/2" 5-3/4" 1300
BF181500 18" 36" 6-3/8" 1750
BF201500 20" 38-3/4" 7" 2225
  22"      
BF241500 24" 46" 8" 3625

CLASS 2500# BLIND FLANGE ANSI B16.50

ITEM ID SIZE OD Thickness Weight
ITEM ID SIZE OD THK WEIGHT
BF.52500 1/2" 5-1/4" 1-3/16" 7
BF.752500 3/4" 5-1/2" 1-1/4" 10
BF12500 1" 6-1/4" 1-3/8" 12
BF1.252500 1-1/4" 7-1/4" 1-1/2" 18
BF1.52500 1-1/2" 8" 1-3/4" 25
BF22500 2" 9-1/4" 2" 39
BF2.52500 2-1/2" 10-1/2" 2-1/4" 56
BF32500 3" 12" 2-5/8" 86
  3-1/2"      
BF42500 4" 14" 3" 133
BF52500 5" 16-1/2" 3-5/8" 223
BF62500 6" 19" 4-1/4" 345
BF82500 8" 21-3/4" 5" 533
BF102500 10" 26-1/2" 6-1/2" 1025
BF122500 12" 30" 7-1/4" 1464

A stainless steel blind flange is a solid disk with no bore used for capping off a pipe or nozzle end. It is useful for making repairs to a pipeline, for giving a pipe a termination point, or for rerouting fluids to another portion of the piping system.

Hydro Blind Solutions sells and rents stainless steel blind flanges worldwide. We have a wide selection of standard blind specifications and we can manufacture custom stainless steel blinds, too.

ANSI B16.5 Stainless Steel Blind Flanges

  • A105 Raised Face Stainless Steel ANSI B16.5 Blind Flanges
  • A105 RTJ Stainless Steel ANSI B16.5 Blind Flanges

ASME B16.47 Stainless Steel Series A & B Blind Flanges

  • A105 Raised Face Stainless Steel ASME B16.47 Series A & B Blind Flanges

We can provide stainless steel blind flanges in Class 150, 300, 600, 900, 1500 & 2500 available with sizes ranging from ½” – 90”. MTRs are available by request on all flanges.

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