IBR Approved Flanges

IBR Approved Flanges

IBR Approved Flanges Introduction

  • Sizes: 1/2″ – 48″
  • Connection : FF, RF, LJF, RTJ, SMF, LMF
  • Coating : Yellow Transparent, Oil Black Paint, etc.
  • Production Process : Forged, Machined, Heat Treated
  • Supporting Material : Ring Joint, Flanges Bolts, Gasket

 

 

 

IBR Approved Slip on Flanges

IBR Approved Slip on Flanges

IBR Blind Flange

IBR Blind Flange

IBR Weld Neck Flange

IBR Weld Neck Flange

 

Table of Content

 

IBR Flanges Manufacturer in India With Size Ranging From ½ to 48″or Custom

IBR Approved Flanges Specification

IBR Approved Flanges Specification

View IBR Approved Flanges Stockist in India offering Best Quality Flange with Size ½ to 48″

Most Common Types
Most Common Types for IBR Flanges
  • Threaded
  • Screwed
  • Forged
  • Plate
Sizes
IBR Approved Flanges Sizes
  • Sizes: ½ to 48″
  • Schedule : SCH 10 – SCH 160, XXS
Material
Material of IBR Approved Slip on Flanges
  • Carbon Steel
  • Alloy Steel
  • Stainless Steel
  • Nickel Alloy
Process
IBR Forged Flange Process
  • Forged
  • Heat Treated
  • Machined

 

Origin
Origin of IBR Blind Flange
  • Janpanese
  • European
  • Korean
  • American
Finish
IBR Approved Threaded Flange Finish
  • Serrated
  • Mirror
Application
Application for IBR Weld Neck Flange
  • Power Plants
  • Heat Exchanger
  • Pulp And Paper Industry
  • Oil And Gas
Testing
IBR Approved Forged Flange Testing
  • Hardness Test
  • Tensile
  • Pressure
  • PMI

 

Features
Features of IBR Reducing Flange
  • Low Cost
  • Simple Assembly
  • Utilize the Flange’s
  • Available in Variety of Diameter
Flanges Face
IBR Approved Flanges Face
  • RF
  • RTJ
  • Flat Face
  • Groove & Tongue

 

Benefits
Benefits of IBR Approved Slip on Flanges
  • Durability
  • High Resistance
  • Versatility
Packaging
IBR Forged Flange Packaging
  • Bubble Wraps
  • Bundled
  • Wooden Box

Stock and Supply IBR Approved Pipe Flange in Various Material With Sch 10 to 180

IBR Forged Flange Thickness Chart

Check IBR Approved Flanges Stockist in India offering Schedules from 10 to 180 for Flanges

Nominal Flange Sizes (Inch) Outside Daimeter For (O.D.) 100 Sch 10 Sch 40 Sch 20 Sch STD Wall 60 Sch 80 Sch 120 Sch 160 Sch 140 Sch 30 Sch EXT Hvy XX Hvy
½ 0.84 – 0.083 0.109 – 0.109 – 0.147 – 0.188 – – 0.147 0.294
1 1.315 – 0.109 0.133 – 0.133 – 0.179 – 0.25 – – 0.179 0.358
1 ½ 1.9 – 0.109 0.145 – 0.145 – 0.2 – 0.281 – – 0.2 0.4
2 ½ 2.875 – 0.12 0.203 – 0.203 – 0.276 – 0.375 – – 0.276 0.552
3 ½ 4 – 0.12 0.226 – 0.226 – 0.318 – – – – 0.318 0.636
¾ 1.05 – 0.083 0.113 – 0.113 – 0.154 – 0.219 – – 0.154 0.308
1 ¼ 1.66 – 0.109 0.14 – 0.14 – 0.191 – 0.25 – – 0.191 0.382
2 2.375 – 0.109 0.154 – 0.154 – 0.218 – 0.344 – – 0.218 0.436
3 3.5 – 0.12 0.216 – 0.216 – 0.3 – 0.438 – – 0.3 0.6
4 4.5 – 0.12 0.237 – 0.237 – 0.337 0.438 0.531 – – 0.337 0.674
6 6.625 – 0.134 0.28 – 0.28 – 0.432 0.562 0.719 – – 0.432 0.864
10 10.75 0.719 0.165 0.365 0.25 0.365 0.5 0.594 0.844 1.125 1 0.307 0.5 1
14 14 0.938 0.25 0.438 0.312 0.375 0.594 0.75 1.094 1.406 1.25 0.375 0.5 –
18 18 1.156 0.25 0.562 0.312 0.375 0.75 0.938 1.375 1.781 1.562 0.438 0.5 –
22 22 – 0.25 – – 0.375 – – – – – – 0.5 –
26 26 – – – – 0.375 – – – – – – 0.5 –
36 36 – 0.312 0.75 0.5 0.375 – – – – – 0.625 0.5 –
42 42 – – – – 0.375 – – – – – – 0.5 –
16 16 1.031 0.25 0.5 0.312 0.375 0.656 0.844 1.219 1.594 1.438 0.375 0.5 –
30 30 – 0.312 – 0.5 0.375 – – – – – 0.625 0.5 –
5 5.563 – 0.134 0.258 – 0.258 – 0.375 0.5 0.625 – – 0.375 0.75
8 8.625 0.594 0.148 0.322 0.25 0.322 0.406 0.5 0.719 0.906 0.812 0.277 0.5 0.875
12 12.75 0.844 0.18 0.406 0.25 0.375 0.562 0.688 1 1.312 1.125 0.33 0.5 1
24 24 1.531 0.25 0.688 0.375 0.375 0.969 1.219 1.812 2.344 2.062 0.562 0.5 –
40 40 – – – – 0.375 – – – – – – 0.5 –
20 20 1.281 0.25 0.594 0.375 0.375 0.812 1.031 1.5 1.969 1.75 0.5 0.5 –
48 48 – – – – 0.375 – – – – – – 0.5 –

Understand Difference Between IBR vs ASME

IBR vs ASME Flange

IBR Flange

  • Indian Boiler Regulations
  • Certification : IBR standards

ASME Flange

  • American Society of Mechanical Engineers
  • Certification : ASME’s Certification
Supplier Of IBR Certified Pipe Flanges in Mumbai With Pressure Class 150 to 2500 At Reasonable Price
Pressure Rating Chart of SS IBR Approved Flanges
Temperature °F 400# 150# 900# 2500# 300# 600# 1500#
-20 to 100 960 275 2160 6000 720 1440 3600
300 720 205 1620 4500 540 1080 2700
500 620 170 1395 3880 465 930 2330
650 575 125 1290 3580 430 860 2150
200 800 230 1800 5000 600 1200 3000
400 660 190 1490 4140 495 995 2485
600 580 140 1310 3640 435 875 2185
700 565 110 1275 3540 425 850 2125
800 540 80 1210 3360 405 805 2015
900 520 50 1165 3240 390 780 1945
1000 430 20 965 2675 320 640 1605
1100 345 20 770 2145 255 515 1285
1200 205 20 465 1285 155 310 770
1300 115 20 255 715 85 170 430
1400 65 20 145 400 50 95 240
950 510 35 1145 3180 380 765 1910
1050 410 20 925 2570 310 615 1545
1150 265 20 595 1655 200 400 995
750 555 95 1245 3460 415 830 2075
1250 150 20 340 945 115 225 565
1450 45 15 105 285 35 70 170
1350 80 20 185 515 60 125 310
850 530 65 1190 3300 395 790 1980
1500 35 10 80 230 25 55 135
Buy Spiral Serrated and Mirror Finish IBR Blind and Slip On Flange With Different Faces
Faces of IBR Approved Flange

Discover IBR Approved Flanges Stockist in India offering Raised , Flat and Groove Flange Faces

  • Raised Face
  • Male & Female
  • Groove
  • Tongue
IBR Flange Dimensions
Nominal Flange Sizes In Inch Socket Weld Flange Slip On Flange Blind Flange Threaded Flange Lap Joint Flange Weld Neck Flange
1/2 2 1 2 1 1 2
1 2 2 2 2 2 3
1 1/2 3 3 4 3 3 4
3 1/2 11 11 13 12 11 12
¾ 2 2 2 2 2 2
1¼ 3 3 3 3 3 3
2 5 5 5 5 5 6
3 9 9 9 9 9 11.5
4 13 13 17 13 13 16.5
6 19 19 27 19 19 26
10 43 43 70 43 43 54
14 90 90 140 90 105 114
18 130 130 220 130 160 165
22 185 185 355 185 245 225
8 30 30 47 30 30 42
5 15 15 20 15 15 21
2 1/2 8 8 7 8 8 10
12 64 64 123 64 64 88
16 98 106 180 98 140 140
20 165 165 285 165 195 197
24 220 220 430 220 275 268
Sizes Chart for IBR Approved Slip On Class 300 lb Flanges

IBR Flanges Manufacturers In India Offerings Best Quality Flanges with premium resistance to Corrosion

Nominal Pipe Size Threaded Lap Joint Weld Neck Slip On Socket Weld Blind
1/2 2 2 2 2 3 2
1 3 3 4 3 3 4
¾ 3 3 3 3 3 3
1¼ 4.5 4.5 5 4.5 4 6
2 7 7 9 7 7 8
3 14 14.5 18 13 13 16
4 24 24 26.5 23.5 22 28
6 39 39 45 39 39 50
10 81 91 100 81 81 124
14 165 190 206 165 165 250
18 280 305 320 253 250 414
22 370 435 465 370 370 640
8 58 58 69 58 58 81
1 1/2 6.5 6.5 7 6.5 6 7
12 115 140 142 115 115 185
2 1/2 10 10 12 10 10 12
3 1/2 17 17 20 17 17 21
5 31 28 36 29 28 37
16 220 234 250 210 190 315
20 325 375 400 315 315 515
24 490 550 580 490 475 800
IBR Approved Forged 400 lb Flange Dimensional

IBR Flanges Manufacturers In India track record of durable and efficient Product

Nominal Pipe Size Blind Slip On Socket Weld Threaded Lap Joint Weld Neck
1/2 2 2 2 2 2 3
1 4 3.5 3.5 3.5 3.5 4
1 1/2 8 6.5 6.5 6.5 6.5 8
¾ 3 3 3 3 3 3.5
1¼ 6 4.5 4.5 4.5 4.5 4.5
2 10 8 8 8 8 10
3 20 15 15 15 14 18
4 33 26 26 26 25 35
6 61 44 44 44 42 57
10 155 91 91 91 110 125
14 310 191 191 191 210 233
18 502 310 310 310 345 360
22 720 405 405 405 455 505
3 1/2 29 21 21 21 20 26
5 44 31 31 31 29 43
8 100 67 67 67 64 89
2 1/2 15 12 12 12 11 14
16 398 253 253 253 280 295
20 621 378 378 378 420 445
12 226 130 130 130 152 175
24 936 539 539 539 615 640
Size Range for Class 600 lb IBR Approved Flanges

Half Inch Flange Manufacturer With Various Sizes Of flanges In stock

Nominal Pipe Size Blind Slip On Socket Weld Threaded Lap Joint Weld Neck
1/2 3 2 2 2 2 3
1 4 4 4 4 4 4
1 1/2 8 7 7 7 7 8
2 1/2 15 13 13 13 12 18
¾ 4 3 3 3 3 4
1¼ 6 5 5 5 5 6
2 10 9 9 9 9 12
3 20 16 16 16 15 23
4 41 37 37 37 36 42
6 86 80 80 80 78 81
10 231 177 177 177 195 190
14 378 259 259 259 290 347
18 665 476 476 476 469 555
22 1000 590 590 590 670 720
8 140 115 15 15 112 120
5 68 63 63 63 63 68
16 527 366 366 366 400 481
3 1/2 29 21 21 21 20 26
12 295 215 215 215 240 226
20 855 612 612 612 604 690
24 1250 876 876 876 866 977
Dimension Chart for IBR Approved Socket Weld Flange

Dimension Chart for IBR Approved Socket Weld Flange

Nominal Flange Size Inside Daimeter (I.D.) Outside Daimeter (O.D.) Bolt Circle (B.C.) Raised Face (RF) Raised Face For (R) D H Inside Daimeter 2* Thck. (1) Thck. Of Raised Face (T) Bolt Hole (B.H.) Flat Face (Thickness2) Number of Bolt Holes
1/2″ 0.88″ 3.50″ 2.38″ .063″ 1.38″ .38″ 1.19″ 0.62″ .38″ .62″ .62″ .56″ 4
1″ 1.36″ 4.25″ 3.12″ .063″ 2.00″ .50″ 1.94″ 1.05″ .50″ .69″ .62″ .63″ 4
1-1/2″ 1.97″ 5.00″ 3.88″ .063″ 2.88″ .62″ 2.56″ 1.61″ .62″ .88″ .62″ .82″ 4
2-1/2″ 2.94″ 7.00″ 5.50″ .063″ 4.12″ .75″ 3.56″ 2.47″ .82″ 1.12″ .75″ 1.06″ 4
3/4″ 1.09″ 3.88″ 2.75″ .063″ 1.69″ .44″ 1.50″ 0.82″ .44″ .62″ .62″ .56″ 4
1-1/4″ 1.70″ 4.62″ 3.50″ .063″ 2.50″ .56″ 2.31″ 1.38″ .56″ .81″ .62″ .75″ 4
2″ 2.44″ 6.00″ 4.75″ .063″ 3.62″ .69″ 3.06″ 2.07″ .69″ 1.00″ .75″ .94″ 4
3″ 3.57″ 7.50″ 6.00″ .063″ 5.00″ .81″ 4.25″ 3.07″ .88″ 1.19″ .75″ 1.13″ 4
4″ 4.57″ 9.00″ 7.50″ .063″ 6.19″ .94″ 5.31″ 4.03″ .88″ 1.31″ .75″ 1.25″ 8
6″ 6.72″ 11.00″ 9.50″ .063″ 8.50″ 1.06″ 7.56″ 6.07″ .94″ 1.56″ .88″ 1.50″ 8
10″ 10.88″ 16.00″ 14.25″ .063″ 12.75″ 1.31″ 12.00″ 10.02″ 1.13″ 1.94″ 1.00″ 1.88″ 12
14″ 14.14″ 21.00″ 18.75″ .063″ 16.25″ 1.63″ 15.75″ 13.25″ 1.32″ 2.25″ 1.12″ 2.19″ 12
18″ 18.18″ 25.00″ 22.75″ .063″ 21.00″ 1.94″ 19.88″ 17.25″ 1.50″ 2.69″ 1.25″ 2.63″ 16
22″ 22.22″ 29.50″ 27.25″ .063″ 25.25″ 2.38″ 24.25″ 21.25″ 1.75″ 3.13″ 1.38″ 3.07″ 20
12″ 12.88″ 19.00″ 17.00″ .063″ 15.00″ 1.56″ 14.38″ 12.00″ 1.19″ 2.19″ 1.00″ 2.13″ 12
3-1/2″ 4.07″ 8.50″ 7.00″ .063″ 5.50″ .88″ 4.81″ 3.55″ .88″ 1.25″ .75″ 1.19″ 8
16″ 16.16″ 23.50″ 21.25″ .063″ 18.50″ 1.75″ 18.00″ 15.25″ 1.38″ 2.50″ 1.12″ 2.44″ 16
5″ 5.66″ 10.00″ 8.50″ .063″ 7.31″ .94″ 6.44″ 5.05″ .88″ 1.44″ .88″ 1.38″ 8
20″ 20.20″ 27.50″ 25.00″ .063″ 23.00″ 2.13″ 22.00″ 19.25″ 1.63″ 2.88″ 1.25″ 2.83″ 20
8″ 8.72″ 13.50″ 11.75″ .063″ 10.62″ 1.25″ 9.69″ 7.98″ 1.06″ 1.75″ .88″ 1.69″ 8
24″ 24.25″ 32.00″ 29.50″ .063″ 27.25″ 2.50″ 26.12″ 23.25″ 1.82″ 3.25″ 1.38″ 3.19″ 20
IBR Approved Socket Weld Flanges Class 900 lb Dimension
Nominal Pipe Size Slip On Weld Neck Threaded Lap Joint Socket Weld Blind
1/2 6 7 6 6 6 4
1 7.5 8.5 7.5 7.5 7.5 9
1 1/2 14 14 14 14 14 14
2 1/2 31 31 31 25 31 32
¾ 6 7 6 6 6 6
1¼ 10 10 10 10 10 10
2 22 24 22 21 22 25
3 36 36 36 29 36 35
5 83 86 83 81 83 87
8 172 187 172 190 172 200
12 326 372 326 371 326 415
16 459 685 459 488 459 619
20 792 1164 792 868 792 1107
10 245 268 245 277 245 290
6 110 110 110 105 110 115
18 647 924 647 670 647 880
14 400 562 400 415 400 520
4 53 53 53 51 53 54
24 1480 2107 1480 1659 1480 2099
Size Range for IBR Spectacle Class 1500 lb Flanges
Nominal Flange Size Blind Slip On Socket Weld Threaded Lap Joint Weld Neck
1/2 4 6 6 6 6 7
1 9 8 8 8 8 9
1 1/2 14 14 14 14 14 14
¾ 6 6 6 6 6 7
1¼ 10 10 10 10 10 10
2 25 25 25 25 25 25
3 48 48 48 48 47 48
5 140 132 132 132 140 132
8 302 260 260 260 286 275
12 775 667 667 667 749 690
16 1300 1250 1250 1250 1250 1250
20 2225 2050 2050 2050 1775 2050
6 160 165 165 165 170 165
10 510 436 436 436 485 455
14 975 940 940 940 890 940
2 1/2 35 36 36 36 35 36
4 73 73 73 73 75 73
18 1750 1625 1625 1625 1475 1625
24 3625 2825 2825 2825 2825 3325
IBR Approved Slip on Flanges Dimension Chart

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IBR Approved Slip on Flanges Dimension Chart

Nominal Flange Size Outside Daimeter (O.D.) Inside Diameter For (I.D.) RF For (Raised Face) Raised (R) Circle Bolt For (B.C.) H For (Hight) Flat Face (FF) (Thickness2) Thickness 1 Raised Face Wall Thickness Number Of Bolt Hole (B.H.) Bolts Holes For (B.C.)
1/2 3.50 0.88 .063 1.38 2.38 1.19 .56 .38 .62 4 .62
1 4.25 1.36 .063 2.00 3.12 1.94 .63 .50 .69 4 .62
1-1/2 5.00 1.97 .063 2.88 3.88 2.56 .82 .62 .88 4 .62
3/4 3.88 1.09 .063 1.69 2.75 1.50 .56 .44 .62 4 .62
1-1/4 4.62 1.70 .063 2.50 3.50 2.31 .75 .56 .81 4 .62
2 6.00 2.44 .063 3.62 4.75 3.06 .94 .69 1.00 4 .75
3 7.50 3.57 .063 5.00 6.00 4.25 1.13 .88 1.19 4 .75
4 9.00 4.57 .063 6.19 7.50 5.31 1.25 .88 1.31 8 .75
6 11.00 6.72 .063 8.50 9.50 7.56 1.50 .94 1.56 8 .88
10 16.00 10.88 .063 12.75 14.25 12.00 1.88 1.13 1.94 12 1.00
14 21.00 14.14 .063 16.25 18.75 15.75 2.19 1.32 2.25 12 1.12
18 25.00 18.18 .063 21.00 22.75 19.88 2.63 1.50 2.69 16 1.25
22 29.50 22.22 .063 25.25 27.25 24.25 3.07 1.75 3.13 20 1.38
3-1/2 8.50 4.07 .063 5.50 7.00 4.81 1.19 .88 1.25 8 .75
12 19.00 12.88 .063 15.00 17.00 14.38 2.13 1.19 2.19 12 1.00
2-1/2 7.00 2.94 .063 4.12 5.50 3.56 1.06 .82 1.12 4 .75
8 13.50 8.72 .063 10.62 11.75 9.69 1.69 1.06 1.75 8 .88
16 23.50 16.16 .063 18.50 21.25 18.00 2.44 1.38 2.50 16 1.12
5 10.00 5.66 .063 7.31 8.50 6.44 1.38 .88 1.44 8 .88
20 27.50 20.20 .063 23.00 25.00 22.00 2.83 1.63 2.88 20 1.25
24 32.00 24.25 .063 27.25 29.50 26.12 3.19 1.82 3.25 20 1.38
Class 2500 lb Chart Stainless Stele IBR Flange
Nominal Pipe Size Threaded Weld Neck Lap Joint Blind
1/2 7 8 7 7
1 12 13 12 12
¾ 9 9 8 10
1¼ 18 20 17 18
2 38 42 37 39
3 83 94 80 86
5 210 244 204 223
8 485 576 471 533
1 1/2 25 28 24 25
2 1/2 55 52 53 56
6 323 378 314 345
10 925 1068 897 1025
4 127 146 122 133
12 1300 1608 1262 1464
IBR Approved Pipe Flange Weight

Check IBR Approved Flanges Manufacturer in India who offers Exact Weights for Flanges

Standard Class Diameter Bolt Circle Diameter Diameter of Bolt Hole Bolt Size Number of Bolts
AS4087 PN14 95 67 14 M12 4
ISO 7005 (DIN) Flange PN6 80 55 11 M10
PN16 95 65 14 M12
PN25 95 65 14 M12
PN10 95 65 14 M12
PN20 90 60.5 16 M14
PN40 95 65 14 M12
ANSI B16.5 ANSI 150 89 60 16 13
ANSI 600 95 67 16 13
ANSI 1500 121 83 22 19
ANSI 300 95 67 16 13
ANSI 900 121 83 22 19
AS 2129 Flange Table C 95 67 14 13
Table H 114 83 17 16
Table E 95 67 14 13
Table D 95 67 14 13
Table F 95 67 14 13
Table J 114 83 17 16
Size Chart for IBR Weld Neck Flange

Find IBR Approved Flanges Manufacturer in India who provides wide range of Sizes

Nominal Flange Size Outer Diameter (O.D.) Weld Neck Outer Dia. Hub Outer Dia. Thck. Of Weld Neck Flange Length Of ASME B16.5 Welding Neck PCD Raised Face (RF) Height Diameter Of Raised Face (RF) Face Of Weld
mm Inch A D C B E I H G J
15 1/2 90 21.3 30 9.6 46 60.3 2 34.9 1.6
25 1 110 33.4 49 12.7 54 79.4 2 50.8
20 3/4 100 26.7 38 11.2 51 69.9 2 42.9
32 1 1/4 115 42.2 59 14.3 56 88.9 2 63.5
50 2 150 60.3 78 17.5 62 120.7 2 92.1
80 3 190 88.9 108 22.3 68 152.4 2 127
100 4 230 114.3 135 22.3 75 190.5 2 157.2
150 6 280 168.3 192 23.9 87 241.3 2 215.9
250 10 405 273 305 28.6 100 362 2 323.8
350 14 535 355.6 400 33.4 125 476.3 2 412.8
450 18 635 457.2 505 38.1 138 577.9 2 533.4
90 3 1/2 215 101.6 122 22.3 70 177.8 2 139.7
300 12 485 323.8 365 30.2 113 431.8 2 381
65 2 1/2 180 73 90 20.7 68 139.7 2 104.8
40 1 1/2 125 48.3 65 15.9 60 98.4 2 73
200 8 345 219.1 246 27 100 298.5 2 269.9
500 20 700 508 559 41.3 143 635 2 584.2
400 16 595 406.4 457 35 125 539.8 2 469.9
125 5 255 141.3 164 22.3 87 215.9 2 185.7
600 24 815 610 663 46.1 151 749.3 2 692.2
Popular Types of IBR Approved Flanges

Find IBR Approved Flanges Supplier in India, who Offers an variety of Most Popular Flange Types in Houston , Texas , Mexico , Usa , Italy , Europe , South Africa , Nigeria , Singapore

Low Alloy Steel IBR Approved Flange

Low Alloy Steel IBR Approved Flange

IBR Approved Raised Face Flanges

IBR Approved Raised Face Flanges

IBR Flat Face Flanges

IBR Flat Face Flanges

Stainless Stele IBR Flanges

Stainless Stele IBR Flanges

IBR Approved Orifice Flanges

IBR Approved Orifice Flanges

IBR Spectacle Flanges

IBR Spectacle Flanges

Carbon Steel IBR Flanges

Carbon Steel IBR Flanges

IBR Approved Socket Weld Flanges

IBR Approved Socket Weld Flanges

Gasket Chart for IBR Blind Flange

IBR Approved Flanges Supplier in India, Provides Flanges with exceptional Gaskets

Nominal Flange Sizes Inside Daimeter (I.D.) Gasket Outside Daimeter (O.D.)
#400LB #150LB #900LB #300LB #600LB
1/2″ 0.84 2.125 1.875 2.50 2.125 2.125
1 1/2″ 1.91 3.75 3.375 3.875 3.75 3.75
3/4″ 1.06 2.625 2.25 2.75 2.625 2.625
1 1/4″ 1.66 3.25 3 3.50 3.25 3.25
2″ 2.38 4.375 4.125 5.625 4.375 4.375
3″ 3.50 5.875 5.375 6.625 5.875 5.875
5″ 5.56 8.375 7.75 9.75 8.50 9.50
8″ 8.62 12.00 11 14.125 12.125 12.625
1″ 1.31 2.875 2.625 3.125 2.875 2.875
10″ 10.75 14.125 13.375 17.125 14.25 15.75
4″ 4.50 7.00 6.875 8.125 7.125 7.625
2 1/2″ 2.88 5.125 4.875 6.50 5.125 5.125
6″ 6.62 9.75 8.75 11.375 9.875 10.50
12″ 12.75 16.50 16.125 19.625 16.625 18.00

Check The Price List for IBR Approved FlangesClick Here

IBR Approved Threaded Flange H Bolt Chart
Nominal Flange Size No. of Bolts Stud (ISO) Raised Face (RF) Stud Length Bolt (UNC) Machine Flange Bolt Length
mm Inch
15 1/2″ 4 M14 55 1/2 50
25 1″ 4 M14 65 1/2 55
40 1 1/2″ 4 M14 70 1/2 65
65 2 1/2″ 4 M16 90 5/8 75
20 3/4″ 4 M14 65 1/2 50
32 1 1/4″ 4 M14 70 1/2 55
50 2″ 4 M16 85 5/8 70
80 3″ 4 M16 90 5/8 75
100 4″ 8 M16 90 5/8 75
150 6″ 8 M20 100 3/4 85
250 10″ 12 M24 115 7/8 100
350 14″ 12 M27 135 1 115
450 18″ 16 M30 145 1 1/8 125
500 20″ 20 M30 160 1 1/8 140
90 3 1/2″ 8 M16 90 5/8 75
400 16″ 16 M27 135 1 115
125 5″ 8 M20 95 3/4 85
300 12″ 12 M24 120 7/8 100
200 8″ 8 M20 110 3/4 90
600 24″ 20 M33 170 1 1/4 150
IBR Blind Flange Dimensions Table
Nominal Flange Size Outside Daimeter Of (O.D.) (A) Daimeter Of Bolt Holes Wall Thck. Of (B) (D) (B.C.D.) Daimeter Of Raised Face (C) # Flanges Bolts Holes Approx. Weight In KG (Kilogram)
1/2″ 3-1/2 5/8 7/16 2-3/8 1-3/8 4 2
1″ 4-1/4 5/8 9/16 3-1/8 2 4 2
3/4″ 3-7/8 5/8 1/2 2-3/4 1-11/16 4 2
1-1/4″ 4-5/8 5/8 5/8 3-1/2 2-1/2 4 3
2″ 6 3/4 3/4 4-3/4 3-5/8 4 4
3″ 7-1/2 3/4 15/16 6 5 4 9
4″ 9 3/4 15/16 7-1/2 6-3/16 8 17
6″ 11 7/8 1 9-1/2 8-1/2 8 27
10″ 16 1 1-3/16 14-1/4 12-3/4 12 67
14″ 21 1-1/8 1-3/8 18-3/4 16-1/4 12 139
18″ 25 1-1/4 1-9/16 22-3/4 21 16 217
3-1/2″ 8-1/2 3/4 15/16 7 5-1/2 8 13
2-1/2″ 7 3/4 7/8 5-1/2 4-1/8 4 7
1-1/2″ 5 5/8 11/16 3-7/8 2-7/8 4 3
8″ 13-1/2 7/8 1-1/8 11-3/4 10-5/8 8 47
12″ 19 1 1-1/4 17 15 12 123
20″ 27-1/2 1-1/4 1-11/16 25 23 20 283
5″ 10 7/8 15/16 8-1/2 7-5/16 8 20
16″ 23-1/2 1-1/8 1-7/16 21-1/4 18-1/2 16 187
24″ 32 1-3/8 1-7/8 29-1/2 27-1/4 20 415
Dimension Table of IBR Approved Flanges
Nominal Flange Size In (Inch) As Per ASME B16.5 Class 150
Bolt Circle (B.C.) (Inch) Flange Diameter (Inch) Bolt Diameter (Inch) Bolts Number Bolt Holes (B.H.) Diameter In (Inch)
1/4 2-1/4 3-3/8 1/2 4 0.62
3/4 2-3/4 3-7/8 1/2 4 0.62
1-1/4 3-1/2 4-5/8 1/2 4 0.62
1/2 2-3/8 3-1/2 1/2 4 0.62
1 3-1/8 4-1/4 1/2 4 0.62
1-1/2 3-7/8 5 1/2 4 0.62
2-1/2 5-1/2 7 5/8 4 0.75
3-1/2 7 8-1/2 5/8 8 0.75
5 8-1/2 10 3/4 8 0.88
8 11-3/4 13-1/2 3/4 8 0.88
12 17 19 7/8 12 1
16 21-1/4 23-1/2 1 16 1.12
20 25 27-1/2 1-1/8 20 1.25
4 7-1/2 9 5/8 8 0.75
2 4-3/4 6 5/8 4 0.75
3 6 7-1/2 5/8 4 0.75
6 9-1/2 11 3/4 8 0.88
14 18-3/4 21 1 12 1.12
10 14-1/4 16 7/8 12 1
18 22-3/4 25 1-1/8 16 1.25
24 29-1/2 32 1-1/4 20 1.38
Weekly Delivery Of IBR Weld Neck Flange in Below countries
Export to Shipping Time in Days Continent Port
USA
USA		 North America 40-60 Port of Charleston
Italy
Italy		 Europe 30 Porto di Salerno
Monthly Delivery Of IBR Approved Forged Flange in Below countries
Export to Shipping Time in Days Continent Port
Malaysia
Malaysia		 Asia 10 Kuantan Port
Vietnam
Vietnam		 Asia 10 Quy Nhon Port
Torque Values for IBR Reducing Flange

Check IBR Approved Flanges Supplier in India, who offers a Values of Torque

Flanges Sizes Radial Projection (Max.)
Deep Than Bottom In mm Not Deep Than Bottom In mm
mm Inches
15 1/2 1.5 3
40 1 1/2 1.5 3
20 3/4 1.5 3
32 1 1/4 1.5 3
50 2 1.5 3
80 3 1.5 4.5
100 4 3 6
150 6 3 6
250 10 4.5 8
350 14 4.5 8
450 18 6 12
500 20 6 12
65 2 1/2 1.5 3
200 8 4.5 8
90 3 1/2 3 6
400 16 4.5 10
300 12 4.5 8
125 5 3 6
25 1 1.5 3
600 24 6 12
IBR Approved Forged Flange Pressure Capacity
Forms Class Size’s Pressure Capacity
Threaded 150 – 2500 1/2″ – 6″ Lower
Blind 150 – 2500 1/2″ – 48″ Very Higher
Socket Weld 150 – 1500 1/2″ – 4″ Lower
Slip On 150 – 2500 1/2″ – 60″ Lower
Weld Neck 150 – 2500 1/2″ – 80″ Higher
Lap Joint 150 – 1500 1/2″ – 24″ Lower
IBR Flange HSN Code
Product HSN Code
IBR Approved Flanges 84818030
What Are The Applications for IBR Approved Flanges ?

What Are The Applications for IBR Approved Flanges

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