Due to our manufacturing unit we are leading SS Pipe Fittings Supplier at lowest price in Steel Market.
Leading SS Pipe Fittings Manufacturers in India !
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Kanakbhuvan Industries LLP is one of the major Flange Manufacturer in Pune. Kanakbhuvan Industries LLP has years of industry experience as well as the expertise and knowledge required to manufacture international standard Flanges. We are an ISO & PED certified company and have been in this business for more than decades.
Our commitment to customer satisfaction sets us apart from other Flange Manufacturers in Pune. Our Flange are made of austenitic nickel-chromium with molybdenum added, and they have exceptional surface polish, formability, and corrosion resistance. Because of high demand of this Flange over world wide , we are awarded as leading Slip On Flange Supplier in Pune.
Kanakbhuvan Industries LLP is largest ASTM A403 Flange Manufacturer and Supplier in Pune. We are the major Flange supplier in Pimpri -Chinchwad. 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. |
| Hastelloy | ASTM B564 Hastelloy C-22, Hastelloy C-276. |
The most popular Flange types manufactured by Kanakbhuvan Industries LLP are mentioned below they are used depending on your piping system requirement.
Kanakbhuvan Industries LLP is your reliable partner whether you are in the Oil and Gas industry, Petrochemical Industry, or any other sector that requires reliable Flanges. Flange are essential for the piping system in industries. These Flanges gives pipes a strong, long-lasting connection. We are also well known Stainless Steel Pipe Fittings Manufacturers in India.
It is important to understand that the pressure rating of a Flange Manufacturer must always match the pressure ratings of the piping system to which it is connected. A qualified engineer or Flange manufacturer should be provide 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 | Weld Neck Flange, Slip on Flange, Threaded Flange |
| PRESSURE CLASS | 300, 400, 600, 900, 1500, 2500 |
| ASME/ANSI B 16.5 | Weld Neck Flange, Slip on Flange, Blind Flange, High Hub Blind Flanges, 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, Slipon Flange, Blind Flange |
| PRESSURE CLASS | 75, 150, 300, 400, 600, 900 |
| 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 |
Flange Manufacturer in Pune
Kankbhuvan Industries LLP
Each month, we supply containers of ASME B16. 5 Flange to various customers from Indian ports. As leading Flange Supplier in Pune, every month we supply Flange in Pimpri -Chinchwad, Chakan, Pune and Vadgaon because of our sales representatives .
| Flange Supplier in Various City | |||||
| Mumbai | Ahmedabad | Jaipur | Surat | Pune | Coimbatore |
| Bhosari | Gujarat | Sivakasi | Kerala | Indore | Vijayawada |
| Chennai | Hyderabad | Nagpur | Kolkata | Visakhapatnam | Vadodara |
| Varanasi | Bangalore | Jalandhar | Ludhiana | Prayagraj | Durgapur |
| Peenya | Pimpri-Chinchwad | Moradabad | Kharagpur | Nashik | Bareilly |
| Haldia | Rourkela | Trivandrum | Lucknow | Tiruppur | Thiruvananthapuram |