AM Cotherm

IBR Approved Flanges Manufacturer In India

Since 1997, We have been supplyed IBR Flange Table H In Nagpur, An ISO Certified IBR Pipe Flange Manufacturers In India.


It is mandated that the IBR Flange is to be inspected by a company that has been approved by the Central Boiler Board or CBB. The CBB has to certify all pressure equipment, including components such as flanges using steam. Only those components for e.g. IBR Approved Blind Flanges that have been approved could be imported into India. Industries such as fossil and nuclear energy require good quality certified components to be used for their applications. The materials used for producing these flanges according to IBR Pipe Flange Manufacturers In India include different grades of stainless steel, alloy steel as well as carbon steel.


IBR Flange
IBR Flange
IBR Approved Flange
IBR Approved Flange
IBR Pipe Blind Flanges
IBR Pipe Blind Flanges

Table of Contents

IBR Flange

The Indian Boiler Regulation or shortened as IBR defines a set of standards with the intention of being used for not only product design and construction but also inspection and testing methods as well.


What Is IBR Flange?


There are several advantages to using IBR components. Firstly there is minimal to no risk of explosion when the imported Low Alloy Steel IBR Approved Flange has been manufactured using the appropriate IBR material. Secondly, the using an IBR approved flanges takes care of the legal aspects namely the compliance, which assures its user a peace of mind, while ensuring the product also has a longer service life with a lesser chance of breakdown. Lastly, safety assurance is a huge part of IBR approval, wherein a government certified third party inspects the produced Stainless Steel IBR Flanges for faults and compliance to safety regulations.


Check IBR Approved Blind Flanges Specification, Get Free Quote Stainless Steel IBR Approved Flanges, IBR Pipe Reducing Flange Offer Fastest Delivery And Best Price.


IBR Approved Blind Flanges Specification


Specification : IBR Flanges
Size Chart : 1/2″ (15 NB) To 48″ (1200NB)
Production Process: Heat Treated, Machined, Forged
Coating Flanges Faces : Zinc Plated, Yellow Transparent, Anti-rust Paint, Cold and Hot Dip Galvanized, Oil Black Paint
Standards: JIS Flanges, ISO Flanges, GOST Flanges, UNI Flanges, AWWA Flanges, MSS SP44 Flanges, ASME B16.5 Flanges, ASME B16.38 Flanges, EN-1092 Flanges, BS10 Flanges, DIN Flanges, PN Flanges, ASME B16.47 (Series A, Series B) Flanges
Pressure Rating Table: Class 150 LBS, Class 300 LBS, Class 600 LBS, Class 900 LBS, Class 1500 LBS, Class 2500 LBS
Common Types of Flanges : Flanges 150 LB WNRF
Class 300 RTJ
600# BLRF
Class 900 SORF
Supporting Flanges Material: Gasket, Flanges Bolts, Ring Joint
Application: Water Pipeline Industry
Chemical Industry
Nuclear Power Plant
Natural Gas Industry
Oil And Gas Industry
Fabrication Industry
Design For Size: ANSI, EN, ASA, DIN, JIS, ASME, BS, PN
Flanges Machining Equipment: Bending machine, Pushing Machine, Sand-blasting machine, Press machine, electric bevelling machine etc
Connect Type: LJF, RF, FF, LMF, SMF, RTJ

We provide IBR Approved Weld Neck Flange with good quality, IBR Flange Manufacturer In India, We provide Multiple Payment Options Of IBR Approved Low Alloy Steel Flange.


Type Of IBR Pipe Flange


IBR Approved Reducing Flange

IBR Approved Reducing Flanges

IBR Approved Weld Neck Flange

IBR Approved Weld Neck Flanges

IBR Approved Blind Flange

IBR Approved Blind Flanges

IBR Approved Flat Face Flange

IBR Approved Flat Face Flanges

IBR Approved RTJ Flange

IBR Approved RTJ Flanges

IBR Approved Raised Face Flange

IBR Approved Raised Face Flanges

IBR Approved Socket Weld Flange

IBR Approved Socket Weld Flanges

IBR Approved Slip On Flange

IBR Approved Slip On Flanges

IBR Approved Orifice Flange

IBR Approved Orifice Flanges

IBR Approved Spectacle Flange

IBR Approved Spectacle Flanges


View IBR Approved Carbon Steel SORF Flanges Dimensions, IBR Approved Socket Weld Flanges Supplier In Nagpur, India, One Stop Shop For All IBR Approved Orifice Flange Material.

IBR Pipe Reducing Flange Dimension


CLASS NPS IBR Approved SORF Flanges IBR Approved NPT Flanges IBR Approved SW Flanges IBR Approved Loose Flanges IBR Approved BLRF Flanges IBR Approved WN Flanges
150# ½ 1 1 2 1 2 2
¾ 2 2 2 2 2 2
1 2 2 2 2 2 3
1¼ 3 3 3 3 3 3
1½ 3 3 3 3 4 4
2 5 5 5 5 5 6
2½ 8 8 8 8 7 10
3 9 9 9 9 9 11.5
3½ 11 12 11 11 13 12
4 13 13 13 13 17 16.5
5 15 15 15 15 20 21
6 19 19 19 19 27 26
8 30 30 30 30 47 42
10 43 43 43 43 70 54
12 64 64 64 64 123 88
14 90 90 90 105 140 114
16 106 98 98 140 180 140
18 130 130 130 160 220 165
20 165 165 165 195 285 197
22 185 185 185 245 355 225
24 220 220 220 275 430 268
CLASS NPS SORF NPT Flanges SW Loose BLRF WN
300# ½ 2 2 3 2 2 2
¾ 3 3 3 3 3 3
1 3 3 3 3 4 4
1¼ 4.5 4.5 4 4.5 6 5
1½ 6.5 6.5 6 6.5 7 7
2 7 7 7 7 8 9
2½ 10 10 10 10 12 12
3 13 14 13 14.5 16 18
3½ 17 17 17 17 21 20
4 23.5 24 22 24 28 26.5
5 29 31 28 28 37 36
6 39 39 39 39 50 45
8 58 58 58 58 81 69
10 81 81 81 91 124 100
12 115 115 115 140 185 142
14 165 165 165 190 250 206
16 210 220 190 234 315 250
18 253 280 250 305 414 320
20 315 325 315 375 515 400
22 370 370 370 435 640 465
24 490 490 475 550 800 580
CLASS NPS SORF NPT Flanges SW Loose BLRF WN
600# ½ 2 2 2 2 3 3
¾ 3 3 3 3 4 4
1 4 4 4 4 4 4
1¼ 5 5 5 5 6 6
1½ 7 7 7 7 8 8
2 9 9 9 9 10 12
2½ 13 13 13 12 15 18
3 16 16 16 15 20 23
3½ 21 21 21 20 29 26
4 37 37 37 36 41 42
5 63 63 63 63 68 68
6 80 80 80 78 86 81
8 115 15 15 112 140 120
10 177 177 177 195 231 190
12 215 215 215 240 295 226
14 259 259 259 290 378 347
16 366 366 366 400 527 481
18 476 476 476 469 665 555
20 612 612 612 604 855 690
22 590 590 590 670 1000 720
24 876 876 876 866 1250 977


We Supplying IBR Approved Flanges Table To Overseas Customers, Refer IBR Approved Pipe Reducing Flange Weight Chart, IBR Pipe Flange Pressure Rating.

Stainless Steel IBR Approved Flanges Pressure Rating


ASME Stainless Steel Flanges Pressure Rating
Temperature °F 150 LB 300 LB 400 LB 600 LB 900 LB 1500 LB 2500 LB
-20 to 100 275 720 960 1440 2160 3600 6000
200 230 600 800 1200 1800 3000 5000
300 205 540 720 1080 1620 2700 4500
400 190 495 660 995 1490 2485 4140
500 170 465 620 930 1395 2330 3880
600 140 435 580 875 1310 2185 3640
650 125 430 575 860 1290 2150 3580
700 110 425 565 850 1275 2125 3540
750 95 415 555 830 1245 2075 3460
800 80 405 540 805 1210 2015 3360
850 65 395 530 790 1190 1980 3300
900 50 390 520 780 1165 1945 3240
950 35 380 510 765 1145 1910 3180
1000 20 320 430 640 965 1605 2675
1050 20 310 410 615 925 1545 2570
1100 20 255 345 515 770 1285 2145
1150 20 200 265 400 595 995 1655
1200 20 155 205 310 465 770 1285
1250 20 115 150 225 340 565 945
1300 20 85 115 170 255 430 715
1350 20 60 80 125 185 310 515
1400 20 50 65 95 145 240 400
1450 15 35 45 70 105 170 285
1500 10 25 35 55 80 135 230

IBR Approved Weld Neck Flange Weight


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