Due to our manufacturing unit we are leading SS Pipe Fittings Supplier at lowest price in Steel Market.
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Kanakbhuvan Industries LLP is one of the oldest and leading Flange Manufacturer in India. We offer a wide variety of Flange in terms of shapes, materials, dimensions, and standards. Our manufacturing unit uses the highest-quality raw materials and the highest industrial standards to manufacture these ASME B16.5 Steel Flange to meet the needs of our customers. We are an ISO & PED certified company and have been in this business for more than decades.
Due to its excellent electromagnetic, thermodynamic and mechanical qualities, Flange is the most popular among our existing customers. Our Flange are made of austenitic nickel-chromium with molybdenum added, and they have exceptional surface polish, formability, and corrosion resistance.
Kanakbhuvan Industries LLP is largest ASTM A403 Flange Manufacturer, Supplier and Dealers in India. We are the major Flange supplier in Mumbai. We have a competent team to ensure the quality of ASTM A403 304 Flange products like Slip On Flange, Blind Flange, Weld Neck, Lap Joint Flange, RTJ Flange, Socket Weld Flange, Threaded Flange, Spades and Ring Spacer Flange, Orifice Flange, Reducing Flange, Din Flange, Ansi/ Asme B16.5 Flange, Groove and Tongue Flange throughout the production.
The specifications for Flange Manufacturer may differ based on the specific application and necessary standards.
| Specification | |
| Types | Weld Neck, Slip On, Blind, Socket Weld, RTJ, Threaded, Lap Joint, AWWA Flange, Spade, Spacer, Spectacle, Groove, Orifice & Tongue, etc. |
| Standards | ANSI B16.5 / B16.47 / B16.48 / AWWA / EN1092-1 / Custom Drawing |
| Dimension | ANSI B 16.5, BS 1560. BS 10, IS 6392, B-2.1 NPT, API, DIN, JIS. MSS SP 44 |
| Material | ASTM A105, ASME A105 ASTM A266 GR.1, GR.2, GR.3, GR.4 ASTM A350 LF1, LF2 CL1/CL2, LF3 CL1/CL2 ASTM A694 F42, F46, F48, F50, F52, F56, F60, F65, F70 |
| Class | 150#, 300#, 600#, 900#, 1500# & 2500# |
| Size | ½” (15 NB) to 48” (1200 NB). |
| Wall Thickness | SCH.10, 20, 30, 40, 80, 120, 160, STD, XS, XXS. |
| Form | Flange – SWRF |
| Grade | |
| Stainless Steel | ASTM /ASME A/SA 182 - 304 , 304L , 304H, 309S ,309H , 310S, 310H , 316 , 316TI , 316H , 316 LN , 317 , 317L , 321 , 321H , 347 , 347 H , 904L , SMO 254. |
| Duplex Steel | ASTM/ASME A/SA 182 - F44, F51, F53, F60, F61. |
| Alloys Steel | ASTM /ASME A/SA 182, A387 - F5,F9,F11,F12,F22,F91. |
| Nickel Alloys | ASTM SB 366 – UNS N04400, N08020, N06625, N07718, N08800, N08825, N06600, N06601, N06022, UNS N02200, UNS 2201. |
| Hastelloy | ASTM B564 Hastelloy C-22, Hastelloy C-276, Hastelloy C-2000, Hastelloy C-4, Hastelloy X, Hastelloy B, Hastelloy N, Hastelloy G. |
The most popular Flange types manufactured by Flange manufacturers are mentioned below they are used depending on your piping system requirement.
Flange are used in a wide range of industries such as Chemical plants, Petrochemical plants, Food processing plants and many more. Flange are essential for the piping system in industries. These Flanges gives pipes a strong, long-lasting connection. We are also major Stainless Steel Pipe Fittings Manufacturers in India.
It is important to understand that the pressure rating of a Flange must always match the pressure ratings of the piping system to which it is connected. A qualified engineer or Flange manufacturer should be advised to determine the proper pressure rating for your specific application because selecting the incorrect pressure rating can result in leaks or other safety concerns.
| Pressure Rating | Welding Neck Flange, Slip on Flange, Threaded Flange |
| PRESSURE CLASS | 300, 400, 600, 900, 1500, 2500 |
| ASME/ANSI B 16.5 | Welding Neck Flange, Slip on Flange, Blind Flange, High Hub Blind Flange, Socket Weld Flange, Lap Joint Flange, Threaded Flange, Ring Type Joint Flange |
| PRESSURE CLASS | 150, 300, 400, 600, 900, 1500, 2500 |
| ASME/ANSI B 16.47 | Welding Neck Flange, Blind Flange [Series A & B] |
| PRESSURE CLASS | 75, 150, 300, 400, 600, 900 |
| BS 4504 SEC 3.1 | Welding Neck Flange, Hubbed Slip on Flange, Hubbed Threaded Flange, Lapped Pipe End Flange, Plate Flange, Loose Plate Flange, Loose Plate With Weld Neck Flange, Blank Flange |
| PRESSURE CLASS | PN 2.5 TO PN 40 |
| BS 4504[PART 1] | Welding Neck Flange, Hubbed Slip-On Hubbed Threaded, Plate Flange, Loose Plate With Weld On Plate Collar, Blank Flange |
| PRESSURE CLASS | PN 2.5 TO PN 400 |
| BS 1560 BOSS | Welding Neck Flange, Socket Welding Flange, Slip-On Flange, Blind Flange, Screwed Boss Flange, Lapped Flange |
| PRESSURE CLASS | 150, 300, 400, 600, 900, 1500, 2500 |
| BS10 | Welding Neck Flange, Plate Slip-On Flange, Screwed Boss Flange, Slip-On Boss Flange, Blind Flange |
| TABLE | D, E, F, H |
| DIN FLANGES | DIN 2527, 2566, 2573, 2576, 2641, 2642, 2655, 2656, 2627, 2628, 2629, 2631, 2632, 2633, 2634, 2635, 2636, 2637, 2638, 2673 |
| PRESSURE CLASS | PN 6 TO PN 100 |
In order to calculate the weight of a Flange for a particular size and pressure rating, Flange manufacturers frequently provide weight charts for their products.
| Pressure Class | Nominal Size Of Pipe (NPS) | Slip On (SORF) | Threaded (NPT) | Socket Weld (SWRF) | Lap Joint (LOOSE) | Blind (BLRF) | Weld Neck (WNRF) |
|---|---|---|---|---|---|---|---|
| Class 150 Flanges | 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 |
| NPS | O.D. of Flange | Flanges Thickness | Diameter of RF | Diameter of Hub at Base | Length Thru Hub | Bore or Diameter | Dia. of Hub at Bevel | Radius of Fillet | Depth of Socket | |||
| Welding (WN) Neck | Slip-On (SORF) Threaded (NPT) Socket (SWRF) | Lap Joint (Loose) | Slip-on (SORF) Socket (SWRF) | Lap Joint (Loose) | ||||||||
| O | Q | R | X | Y | Y | Y | W | B | H | r | Z | |
| 1/2 | 3-1/2 | 7/16 | 1-3/8 | 1-3/16 | 1-7/8 | 5/8 | 5/8 | .88 | .90 | .84 | 1/8 | 3/8 |
| 3/4 | 3-7/8 | 1/2 | 1-11/16 | 1-1/2 | 2-1/16 | 5/8 | 5/8 | 1.09 | 1.11 | 1.05 | 1/8 | 7/16 |
| 1 | 4-1/4 | 9/16 | 2 | 1-15/16 | 2-3/16 | 11/16 | 11/16 | 1.36 | 1.38 | 1.32 | 1/8 | 1/2 |
| 1-1/4 | 4-5/8 | 5/8 | 2-1/2 | 2-5/16 | 2-1/4 | 13/16 | 13/16 | 1.70 | 1.72 | 1.66 | 3/16 | 9/16 |
| 1-1/2 | 5 | 11/16 | 2-7/8 | 2-9/16 | 2-7/16 | 7/8 | 7/8 | 1.95 | 1.97 | 1.90 | 1/4 | 5/8 |
| 2 | 6 | 3/4 | 3-5/8 | 3-1/16 | 2-1/2 | 1 | 1 | 2.44 | 2.46 | 2.38 | 5/16 | 11/16 |
| 2-1/2 | 7 | 7/8 | 4-1/8 | 3-9/16 | 2-3/4 | 1-1/8 | 1-1/8 | 2.94 | 2.97 | 2.88 | 5/16 | 3/4 |
| 3 | 7-1/2 | 15/16 | 5 | 4-1/4 | 2-3/4 | 1-3/16 | 1-3/16 | 3.57 | 3.60 | 3.50 | 3/8 | 13/16 |
| 3-1/2 | 8-1/2 | 15/16 | 5-1/2 | 4-13/16 | 2-13/16 | 1-1/4 | 1-1/4 | 4.07 | 4.10 | 4.00 | 3/8 | 7/8 |
| 4 | 9 | 15/16 | 6-3/16 | 5-5/16 | 3 | 1-5/16 | 1-5/16 | 4.57 | 4.60 | 4.50 | 7/16 | 15/16 |
| 5 | 10 | 15/16 | 7.5/16 | 6-7/16 | 3-1/2 | 1-7/16 | 1-7/16 | 5.66 | 5.69 | 5.56 | 7/16 | 15/16 |
| 6 | 11 | 1 | 8-1/2 | 7-9/16 | 3-1/2 | 1-9/16 | 1-9/16 | 6.72 | 6.75 | 6.63 | 1/2 | 1-1/16 |
| 8 | 13-1/2 | 1-1/8 | 10-5/8 | 9-11/16 | 4 | 1-3/4 | 1-3/4 | 8.72 | 8.75 | 8.63 | 1/2 | 1-1/4 |
| 10 | 16 | 1-3/16 | 12-3/4 | 12 | 4 | 1-15/16 | 1-15/16 | 10.88 | 10.92 | 10.75 | 1/2 | 1-5/16 |
| 12 | 19 | 1-1/4 | 15 | 14-3/8 | 4-1/2 | 2-3/16 | 2-3/16 | 12.88 | 12.92 | 12.75 | 1/2 | 1-9/16 |
| 14 | 21 | 1-3/8 | 16-1/4 | 15-3/4 | 5 | 2-1/4 | 3-1/8 | 14.14 | 14.18 | 14.00 | 1/2 | 1-5/8 |
| 16 | 23-1/2 | 1-7/16 | 18-1/2 | 18 | 5 | 2-1/2 | 3-7/16 | 16.16 | 16.19 | 16.00 | 1/2 | 1-3/4 |
| 18 | 25 | 1-9/16 | 21 | 19-7/8 | 5-1/2 | 2-11/16 | 3-13/16 | 18.18 | 18.20 | 18.00 | 1/2 | 1-15/16 |
| 20 | 27-1/2 | 1-11/16 | 23 | 22 | 5-11/16 | 2-7/8 | 4-1/16 | 20.20 | 20.25 | 20.00 | 1/2 | 2-1/8 |
| 24 | 32 | 1-7/8 | 27-1/4 | 26-1/8 | 6 | 3-1/4 | 4-3/8 | 24.25 | 24.25 | 24.00 | 1/2 | 2-1/2 |
| NPS | "A" (Outside Daimeter) |
"B" (Thickness) |
"C" (RF Daimeter) |
"D" (B.C.D.) |
# Bolt Holes |
Daimeter of Bolts Holes |
Approx. Weight In KG |
| 1/2" | 3-1/2 | 7/16 | 1-3/8 | 2-3/8 | 4 | 5/8 | 2 |
| 3/4" | 3-7/8 | 1/2 | 1-11/16 | 2-3/4 | 4 | 5/8 | 2 |
| 1" | 4-1/4 | 9/16 | 2 | 3-1/8 | 4 | 5/8 | 2 |
| 1-1/4" | 4-5/8 | 5/8 | 2-1/2 | 3-1/2 | 4 | 5/8 | 3 |
| 1-1/2" | 5 | 11/16 | 2-7/8 | 3-7/8 | 4 | 5/8 | 3 |
| 2" | 6 | 3/4 | 3-5/8 | 4-3/4 | 4 | 3/4 | 4 |
| 2-1/2" | 7 | 7/8 | 4-1/8 | 5-1/2 | 4 | 3/4 | 7 |
| 3" | 7-1/2 | 15/16 | 5 | 6 | 4 | 3/4 | 9 |
| 3-1/2" | 8-1/2 | 15/16 | 5-1/2 | 7 | 8 | 3/4 | 13 |
| 4" | 9 | 15/16 | 6-3/16 | 7-1/2 | 8 | 3/4 | 17 |
| 5" | 10 | 15/16 | 7-5/16 | 8-1/2 | 8 | 7/8 | 20 |
| 6" | 11 | 1 | 8-1/2 | 9-1/2 | 8 | 7/8 | 27 |
| 8" | 13-1/2 | 1-1/8 | 10-5/8 | 11-3/4 | 8 | 7/8 | 47 |
| 10" | 16 | 1-3/16 | 12-3/4 | 14-1/4 | 12 | 1 | 67 |
| 12" | 19 | 1-1/4 | 15 | 17 | 12 | 1 | 123 |
| 14" | 21 | 1-3/8 | 16-1/4 | 18-3/4 | 12 | 1-1/8 | 139 |
| 16" | 23-1/2 | 1-7/16 | 18-1/2 | 21-1/4 | 16 | 1-1/8 | 187 |
| 18" | 25 | 1-9/16 | 21 | 22-3/4 | 16 | 1-1/4 | 217 |
| 20" | 27-1/2 | 1-11/16 | 23 | 25 | 20 | 1-1/4 | 283 |
| 24" | 32 | 1-7/8 | 27-1/4 | 29-1/2 | 20 | 1-3/8 | 415 |
|
NPS
|
(O.D.) of
flanges |
Min.
thickness of flanges |
Overall Length
|
Bolt Circle
(BC) |
Number and
Sizes of Holes |
Outside Daimeter of
raised face (RF) |
|||
|
Weld
neck (wn) |
Slip-on (sorf)
& socket (swrf) welding (wn) |
Lap Joint (Loose)
|
|||||||
|
O
|
Q
|
Y
|
Diameter
|
Number
|
Diameter
|
R
|
|||
|
1/2
|
95
|
14.3
|
52.4
|
22.2
|
22.2
|
666.5
|
4
|
15
|
35
|
|
3/4
|
117
|
15.9
|
57.2
|
25.4
|
25.4
|
82.4
|
4
|
19
|
43
|
|
1
|
124
|
17.5
|
61.9
|
27.0
|
27.0
|
89.0
|
4
|
19
|
51
|
|
1-1/4
|
133
|
19.1
|
65.1
|
27.0
|
27.0
|
98.5
|
4
|
19
|
64
|
|
1-1/2
|
156
|
20.7
|
68.3
|
30.2
|
30.2
|
114.5
|
4
|
22
|
73
|
|
2
|
165
|
22.3
|
69.8
|
33.3
|
33.3
|
127.0
|
8
|
19
|
92
|
|
2-1/2
|
190
|
25.4
|
76.2
|
38.1
|
38.1
|
149.0
|
8
|
22
|
105
|
|
3
|
210
|
28.6
|
79.4
|
42.9
|
42.9
|
168.0
|
8
|
22
|
127
|
|
4
|
254
|
318
|
85.7
|
47.6
|
47.6
|
200.0
|
8
|
22
|
157
|
|
5
|
279
|
35.0
|
98.4
|
50.8
|
50.8
|
235.0
|
8
|
22
|
186
|
|
6
|
313
|
36.6
|
98.4
|
52.4
|
52.4
|
270.0
|
12
|
22
|
216
|
|
6
|
381
|
413
|
111.1
|
61.9
|
91.9
|
330.0
|
12
|
25
|
270
|
|
10
|
444
|
47.7
|
117.5
|
66.7
|
95.3
|
387.5
|
16
|
29
|
324
|
|
12
|
521
|
50.8
|
130.2
|
73.0
|
101.6
|
451.0
|
16
|
32
|
381
|
|
14
|
584
|
54.0
|
142.9
|
76.2
|
111.1
|
514.5
|
20
|
32
|
413
|
|
16
|
648
|
57.2
|
146.0
|
82.6
|
120.7
|
571.5
|
20
|
35
|
470
|
|
18
|
711
|
60.4
|
158.8
|
88.9
|
130.2
|
628.5
|
24
|
35
|
533
|
|
20
|
775
|
63.5
|
161.9
|
95.2
|
139.7
|
686.0
|
24
|
35
|
584
|
|
24
|
914
|
69.9
|
168.3
|
106.4
|
152.4
|
843.0
|
24
|
41
|
692
|
Flange Manufacturer in India
Kankbhuvan Industries LLP
Each month, we supply containers of ASME B16. 5 Flange to various customers from Indian ports. Every month we supply Flange containers to a variety of different customers, in various cities in India such as Ahmedabad, Coimbatore, Pune and Kolkata because of our top quality of Flange at lowest price.
| City we Supply Flange | |||||
| Mumbai | Ahmedabad | Jaipur | Surat | Pune | Delhi |
| Bhubaneswar | Gujarat | Sivakasi | Kerala | Indore | Rajahmundry |
| Bhosari | Vijaywada | Firozabad | Nagpur | Rajkot | Bharuch |
| Salem | Raipur | Chennai | Hyderabad | Kolkata | Rohtak |
| Dareeling | Panna | Jalandhar | Ludhiana | Prayagraj | Durgapur |
| Peenya | Pimpri-Chinchwad | Channapatna | Kharagpur | Nashik | Bareilly |
| Varanasi | Haldia | Rourkela | Bangalore | Moradabad | Thiruvananthapuram |
| Patna | Trivandrum | Tiruppur | Vasai | Angul | Gawlior |
| Coimbatore | Kannur | Bokaro Steel City | Vadodara | Rudrapur | Jabalpur |
Kanakbhuvan Industries LLP largest SS 304 Flange supplier in United Arab Emirates, European countries, Africa, and all other continents. Every month, we export Pipe Fittings products to various nations, and with our growing clientele, we now export containers of Steel Flange to new regions and ports. We have been the market's top ASTM A240 Flange manufacturer in India for decades.
| Countries We Export Flange | |||
| Saudi Arabia | Oman | Kuwait | Netherlands |
| Bahrain | Qatar | UAE | Germany |
| Mexico | Canada | Venezuela | United Kingdom |
| United States | South Africa | Malaysia | Bangladesh |
| Singapore | Sri Lanka | Australia | Brazil |
| France | Italy | South Korea | Nepal |