
UNI Flanges Rapid Overview
- Sizes: 1/2″ to 48″
- Custom Size: Yes
- Pressure Class: Class 150-2500
- Process : Forging
- MTC: EN 10204 3.1 and 3.2
To Get Recent UNI Flanges Price List Click Here
- Specifications Chart of UNI Flanges
- UNI 2281 PN10 Welding Neck Flange Dimensions Chart
- Ductile Iron UNI Flange Bolt Size
- UNI PN 10 Carbon Steel Flanges Pressure Rating
- Dimensions of UNI Flanges
- UNI Flange Technical Data Info
- Dimension Chart of UNI 2278 PN16 Plate Flange
- UNI 6092 PN10 Blind Flange Dimension
- UNI 2282 PN16 Flanges Dimensions
- UNI 2277 PN10 Plate Flange Dimension Chart
- Steps to Install UNI Flange on Ductile Iron Pipe
- Dimension of UNI 2253 PN6 Threaded Flange
- UNI Flange & Series 2282 / 1400 / 1300 Dimensions
- UNI Flange Series 200 Thickness Calculation
- UNI PN 40 Blind Flanges Gasket Info
- Applications of UNI Flanges
- Series 420 Extra Heavy Adapter Flange

Check UNI Flanges Stockist in India who offers Custom Specification

- Weld Neck
- Blind
- Slip On
- Socket Weld
- NPS: 1/2″ to 48″
- SCH: Sch 5 to XXS
- Class:150 to 2500#
- Custom Size Available
- Steam lines
- Petrochemical plants
- Power plants

- High tensile strength
- Low maintenance
- Excellent resistance
- Flange Bolts
- Gasket
- Ring Joint

- NDT
- X-ray Detector
- Hydro test

- T&G
- RF
- FF
- RTJ

- Serrated
- Mirror
- Spiral/Concentric
- Smooth
- Korean
- European
- Indian
- Japan
- NPT
- BSPT
- FNPT, MNPT
- BSPP
- Forging
- Cutting
- Casting
- Rolling

- Hardness test
- Tensile
- Pressure
- PMI
Refer Dimensions Of Series 2282/ 1400/ 1300 UNI Flange for Steel Pipe
| Designation Directions | a | r | b | f | d1 | D | h | h1 | m | s | Screw | Hole | Weight In KG | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rated Dia. |
E*ternal dia. of the pipe |
Kilogram | ||||||||||||
| 32 | 38 | 100 | 6 | 16 | 18 | 39 | 140 | 40 | 6 | 52 | 3 | M 16 | 4 | 1,82 |
| 42,4 | 43,5 | 56 | 1,80 | |||||||||||
| 2000 | 2020 | 2230 | 16 | 54 | 48 | 2024 | 2325 | 150 | 30 | 2072 | 14 | M 45 * 3 | 48 | 543 |
| 20 | 25 | 75 | 4 | 16 | 14 | 26 | 105 | 38 | 6 | 38 | 2,5 | M 12 | 4 | 1,03 |
| 26,9 | 28 | 40 | 1,03 | |||||||||||
| 1200 | 1220 | 1380 | 16 | 38 | 39 | 1224 | 1455 | 115 | 25 | 1255 | 10 | M 36 * 3 | 32 | 180 |
| 1400 | 1420 | 1590 | 16 | 42 | 42 | 1424 | 1675 | 120 | 25 | 1460 | 11 | M 39 * 3 | 36 | 248 |
| 25 | 30 | 85 | 4 | 16 | 14 | 31 | 115 | 38 | 6 | 42 | 2,8 | M 12 | 4 | 1,24 |
| 33,7 | 34,5 | 45 | 1,23 | |||||||||||
| 15 | 20 | 65 | 4 | 14 | 14 | 21 | 95 | 35 | 6 | 30 | 2,5 | M 12 | 4 | 0,73 |
| 21,3 | 22,5 | 32 | 0,73 | |||||||||||
| 50 | 57 | 125 | 6 | 18 | 18 | 58 | 165 | 45 | 8 | 72 | 3,5 | M 16 | 4 | 2,81 |
| 60,3 | 61,5 | 75 | 2,78 | |||||||||||
| 65 | 76,1 | 145 | 6 | 18 | 18 | 77 | 185 | 45 | 10 | 90 | 3,5 | M 16 | 4 | 3,40 |
| 40 | 44,5 | 110 | 6 | 16 | 18 | 45,5 | 150 | 42 | 7 | 60 | 3 | M 16 | 4 | 2,10 |
| 48,3 | 49,5 | 64 | 2,08 | |||||||||||
| 80 | 88,9 | 160 | 8 | 20 | 18 | 90 | 200 | 50 | 10 | 105 | 3,7 | M 16 | 8** | 4,20 |
| 175 | 193,7 | 270 | 10 | 24 | 22 | 195,5 | 315 | 60 | 12 | 210 | 5 | M 20 | 8 | 10,3 |
| 250 | 267 | 350 | 12 | 26 | 22 | 269 | 395 | 68 | 16 | 285 | 5,5 | M 20 | 12 | 15,6 |
| 273 | 275 | 292 | 15,2 | |||||||||||
| 300 | 323,9 | 400 | 12 | 26 | 22 | 326 | 445 | 68 | 16 | 344 | 6 | M 20 | 12 | 18,0 |
| 200 | 219,1 | 295 | 10 | 24 | 22 | 221 | 340 | 62 | 16 | 235 | 5 | M 20 | 8 | 11,4 |
| 350 | 355,6 | 460 | 12 | 26 | 22 | 357,5 | 505 | 68 | 16 | 385 | 6,4 | M 20 | 16 | 24,5 |
| 368 | 370 | 22,5 | ||||||||||||
| 1600 | 1620 | 1820 | 16 | 46 | 48 | 1624 | 1915 | 130 | 25 | 1665 | 12 | M 45 * 3 | 40 | 352 |
| 1800 | 1820 | 2020 | 16 | 50 | 48 | 1824 | 2115 | 140 | 30 | 1868 | 13 | M 45 * 3 | 44 | 433 |
Most Popular 4/6/8 inch or Custom Size UNI Flange for Ductile Iron Pipe Manufacturer in India
Check UNI Flanges Manufacturer in India who offers a wide Range of Sizes
| Class 300 Flanges | Class 150 Flanges | Class 600 Flanges | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| # Bolts And Studs | Diameter of Bolts And Studs | Stud Length | NPS | # Bolts And Studs | Diameter of Bolts And Studs | Stud Length | # Bolts And Studs | Diameter of Bolts And Studs | Stud Length | |||
| 1/16 RF | RTJ | 1/16 RF | RTJ | 1/4 RF | RTJ | |||||||
| 4 | 0.50 | 2-1/2 | 3 | 1/2 | 4 | 0.50 | 2-1/4 | – | 4 | 0.50 | 3 | 3 |
| 4 | 0.63 | 3 | 3-1/2 | 3/4 | 4 | 0.50 | 2-1/2 | – | 4 | 0.63 | 3-1/2 | 3-1/2 |
| 4 | 0.75 | 3-1/2 | 4 | 1-1/2 | 4 | 0.50 | 2-3/4 | 3-1/4 | 4 | 0.75 | 4-1/4 | 4-1/4 |
| 8 | 0.63 | 3-1/2 | 4 | 2 | 4 | 0.63 | 3-1/4 | 3-3/4 | 8 | 0.63 | 4-1/4 | 4-1/4 |
| 8 | 0.75 | 4-1/2 | 5 | 4 | 8 | 0.63 | 3-1/2 | 4 | 8 | 0.88 | 5-3/4 | 5-3/4 |
| 8 | 0.75 | 4-3/4 | 5-1/4 | 5 | 8 | 0.75 | 3-3/4 | 4-1/4 | 8 | 1.00 | 6-1/2 | 6-1/2 |
| 12 | 0.75 | 4-3/4 | 5-1/2 | 6 | 8 | 0.75 | 4 | 4-1/2 | 12 | 1.00 | 6-3/4 | 6-3/4 |
| 12 | 0.88 | 5-1/2 | 6 | 8 | 8 | 0.75 | 4-1/4 | 4-3/4 | 12 | 1.13 | 7-1/2 | 7-3/4 |
| 16 | 1.00 | 6-1/4 | 6-3/4 | 10 | 12 | 0.88 | 4-1/2 | 5 | 16 | 1.25 | 8-1/2 | 8-1/2 |
| 16 | 1.13 | 6-3/4 | 7-1/4 | 12 | 12 | 0.88 | 4-3/4 | 5-1/4 | 20 | 1.25 | 8-3/4 | 8-3/4 |
Offer a Complete Range of Italian or European standards UNI 2223 flange With Pressure PN6-PN40
| ASME B16.5 Pressure Pressure | |||||||
|---|---|---|---|---|---|---|---|
| Temperature (°C) | Class | ||||||
| Class 1500 | Class 400 | Class 2500 | Class 600 | Class 300 | Class 150 | Class 900 | |
| -29 – 38 | 259 | 68.9 | 431 | 103.4 | 51.7 | 19.8 | 155 |
| 50 | 259 | 68.9 | 431 | 103.4 | 51.7 | 19.5 | 155 |
| 100 | 258 | 68.7 | 429 | 103.0 | 51.5 | 17.7 | 155 |
| 150 | 251 | 66.8 | 418 | 100.3 | 50.2 | 15.8 | 151 |
| 200 | 243 | 64.8 | 405 | 97.2 | 48.6 | 13.8 | 146 |
| 250 | 232 | 61.7 | 386 | 92.7 | 46.3 | 12.1 | 139 |
| 300 | 214 | 57.0 | 357 | 85.7 | 42.9 | 10.2 | 129 |
| 325 | 207 | 55.0 | 344 | 82.6 | 41.4 | 9.3 | 124 |
| 350 | 200 | 53.4 | 334 | 80.0 | 40.0 | 8.4 | 120 |
| 375 | 189 | 50.4 | 315 | 75.7 | 37.8 | 7.4 | 114 |
| 400 | 174 | 46.3 | 290 | 69.4 | 34.7 | 6.5 | 104 |
| 425 | 144 | 38.4 | 240 | 57.5 | 28.8 | 5.5 | 86.3 |
| 450 | 115 | 30.7 | 192 | 46.0 | 23.0 | 4.6 | 69.0 |
| 475 | 85.4 | 22.8 | 142 | 34.2 | 17.1 | 3.7 | 51.3 |
| 500 | 57.9 | 15.4 | 96.5 | 23.2 | 11.6 | 2.8 | 34.7 |
| 538 | 29.5 | 7.9 | 49.2 | 11.8 | 5.9 | 1.4 | 17.7 |

| Directions for the designation | d1 | D | a | f | b | Holes | Weight* Kg |
Screws | ||
|---|---|---|---|---|---|---|---|---|---|---|
| Rated Diameter |
External diameter of the pipe |
Nominal | Tolerance | |||||||
| 15 | 20 | 20,5 | +0,5 | 80 | 55 | 11 | 10 | 4 | 0,34 | M 10 |
| 21,3 | 22 | 0,33 | ||||||||
| 20 | 25 | 25,5 | 90 | 65 | 11 | 12 | 4 | 0,51 | ||
| 26,9 | 27,5 | 0,50 | ||||||||
| 25 | 30 | 30,5 | 100 | 75 | 11 | 12 | 4 | 0,63 | ||
| 33,7 | 34 | 0,61 | ||||||||
| 32 | 38 | 38,5 | 120 | 90 | 14 | 14 | 4 | 1,09 | M 12 | |
| 42,4 | 43 | 1,05 | ||||||||
| 40 | 44,5 | 45 | 130 | 100 | 14 | 14 | 4 | 1,26 | ||
| 48,3 | 49 | 1,23 | ||||||||
| 50 | 57 | 58 | 140 | 110 | 14 | 14 | 4 | 1,38 | ||
| 60,3 | 61,5 | 1,35 | ||||||||
| 65 | 76,1 | 77 | 160 | 130 | 14 | 14 | 4 | 1,68 | ||
| 80 | 88,9 | 90 | 190 | 150 | 18 | 16 | 4 | 2,63 | M 16 | |
| 100 | 108 | 109 | +1,0 | 210 | 170 | 18 | 16 | 4*** | 3,05 | |
| 114,3 | 115,5 | 2,92 | ||||||||
| 125 | 133 | 134,5 | 240 | 200 | 18 | 18 | 8 | 4,11 | ||
| 139,7 | 141 | 3,90 | ||||||||
| 150 | 159 | 160,5 | 265 | 225 | 18 | 20 | 8 | 5,16 | ||
| 168,3 | 170 | 4,78 | ||||||||
| 175 | 193,7 | 195,5 | 295 | 255 | 18 | 22 | 8 | 6,27 | ||
| 200 | 219,1 | 221 | 320 | 280 | 18 | 22 | 8 | 6,91 | ||
| 250 | 267 | 269 | 375 | 335 | 18 | 24 | 12 | 9,53 | ||
| 273 | 275 | 9,04 | ||||||||
| 300 | 323,9 | 326 | 440 | 395 | 22 | 24 | 12 | 12,1 | M 20 | |
| 350 | 355,6 | 358 | 490 | 445 | 22 | 26 | 12 | 17,0 | ||
| 368 | 370,5 | 15,6 | ||||||||
| 400 | 406,4 | 409 | +1,5 | 540 | 495 | 22 | 28 | 16 | 20,1 | |
| 419 | 422 | 18,3 | ||||||||
| 450 | 457,2 | 460,2 | ±5 | 595 | 550 | 22 | 28 | 16 | 25,8 | |
| 500 | 508 | 511 | 645 | 600 | 22 | 30 | 20 | 30,0 | ||
| 600 | 609,6 | 612,6 | 755 | 705 | 25 | 30 | 20 | 37,9 | M 22 | |
| 700 | 711,2 | 714,2 | 860 | 810 | 25 | 32 | 24 | 47,9 | ||
| 800 | 812,8 | 815,8 | 975 | 920 | 30 | 34 | 24 | 62,9 | M 27 | |
| 900 | 914,4 | 917,4 | 1075 | 1020 | 30 | 36 | 24 | 74,6 | ||
| 1000 | 1016 | 1019 | 1175 | 1120 | 30 | 36 | 28 | 81,9 | ||
Explore UNI Flanges Stockist in India offering Best Quality products at Affordable Rate
| Description | Rated Pressure / Presión Nominal / Nenndruck (in bar) (1 bar = 14.5 psi) | ||||||||||||
| – | 1 | 2.5 | 6 | 10 | 16 | 25 | 40 | 64 | 100 | 160 | 250 | 320 | 400 |
| – | DIN | ||||||||||||
| Flat flange for welding (slip-on) | – | – | 2276 | 2277 | 2278 | 6083 | 6084 | – | – | – | – | – | – |
| Lapped flanges, Plain collars | – | – | 6088 | 6089 | 6090 | – | – | – | – | – | – | – | – |
| Loose flanges and rings with neck for welding | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Oval plain threaded flanges | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Blind Flanges | – | – | 6091 | 6092 | 6093 | 6094 | 6095 | 6096 | 6097 | 6098 | 6099 | – | – |
| Hubbed slip-on flanges for welding | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Loose flanges and rings for welding | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Oval flanges, with neck threaded | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Welding neck flanges | – | – | 2280 | 2281 | 2282 | 2283 | 2284 | 2285 | 2286 | – | – | – | – |
| Long neck welding flanges | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Threaded flanges with neck | – | – | 2253 | – | 2254 | – | – | – | – | – | – | – | – |
| Designation Directions | d1 | b | a | f | screw | D | Hole | Weight In Kg | ||
|---|---|---|---|---|---|---|---|---|---|---|
| Rated Dia. |
External dia. of the pipe |
Nominal | Dimensional Tolerance | Kilogram | ||||||
| 15 | 20 | 20,5 | +0,5 | 12 | 65 | 14 | M 12 | 95 | 4 | 0,67 |
| 21,3 | 22 | 0,66 | ||||||||
| 20 | 25 | 25,5 | 14 | 75 | 14 | M 12 | 105 | 4 | 0,83 | |
| 26,9 | 27,5 | 0,82 | ||||||||
| 25 | 30 | 30,5 | 14 | 85 | 14 | M 12 | 115 | 4 | 1,03 | |
| 33,7 | 34 | 1,01 | ||||||||
| 32 | 38 | 38,5 | 16 | 100 | 18 | M 16 | 140 | 4 | 1,66 | |
| 42,4 | 43 | 1,63 | ||||||||
| 40 | 44,5 | 45 | 16 | 110 | 18 | M 16 | 150 | 4 | 1,89 | |
| 48,3 | 49 | 1,85 | ||||||||
| 50 | 57 | 58 | 18 | 125 | 18 | M 16 | 165 | 4 | 2,51 | |
| 60,3 | 61,5 | 2,46 | ||||||||
| 65 | 76,1 | 77 | 18 | 145 | 18 | M 16 | 185 | 4 | 3,00 | |
| 80 | 88,9 | 90 | 20 | 160 | 18 | M 16 | 200 | 8** | 3,61 | |
| 100 | 108 | 109 | +1,0 | 22 | 180 | 18 | M 16 | 220 | 8 | 4,60 |
| 114,3 | 115,5 | 4,40 | ||||||||
| 125 | 133 | 134,5 | 24 | 210 | 18 | M 16 | 250 | 8 | 6,19 | |
| 139,7 | 141 | 5,92 | ||||||||
| 150 | 159 | 160,5 | 24 | 240 | 22 | M 20 | 285 | 8 | 7,63 | |
| 168,3 | 170 | 7,17 | ||||||||
| 175 | 193,7 | 195,5 | 26 | 270 | 22 | M 20 | 315 | 8 | 9,16 | |
| 200 | 219,1 | 221 | 26 | 295 | 22 | M 20 | 340 | 12 | 9,77 | |
| 250 | 267 | 269 | 32 | 355 | 25 | M 22 | 405 | 12 | 16,6 | |
| 273 | 275 | 16,0 | ||||||||
| 300 | 323,9 | 326 | 32 | 410 | 25 | M 22 | 460 | 12 | 19,3 | |
| 350 | 355,6 | 358 | 36 | 470 | 25 | M 22 | 520 | 16 | 29,4 | |
| 368 | 370,5 | 27,3 | ||||||||
| 400 | 406,4 | 409 | +1,5 | 38 | 525 | 30 | M 27 | 580 | 16 | 36,5 |
| 419 | 422 | 33,9 | ||||||||
Buy UNI Flange Adapter and UNI 6092 PN10 Uniflanges As Per ASTM A536 At Best Price
UNI Flanges Supplier in India offers an various Dimensions.

| Rated Dia. | D | b | a | f | No. of holes | Thread of the screws | Weight in KG |
|---|---|---|---|---|---|---|---|
| 15 | 95 | 14 | 65 | 14 | 4 | M 12 | 0,71 |
| 20 | 105 | 16 | 75 | 14 | 1,01 | ||
| 25 | 115 | 16 | 85 | 14 | 1,22 | ||
| 32 | 140 | 16 | 100 | 18 | M 16 | 1,80 | |
| 40 | 150 | 16 | 110 | 2,09 | |||
| 50 | 165 | 18 | 125 | 2,87 | |||
| 65 | 185 | 18 | 145 | 3,65 | |||
| 80 | 200 | 20 | 160 | 4,61 | |||
| 100 | 220 | 20 | 180 | 8 | 5,65 | ||
| 125 | 250 | 22 | 210 | 8,12 | |||
| 150 | 285 | 22 | 240 | 22 | M 20 | 10,5 | |
| 175 | 315 | 24 | 270 | 14,1 | |||
| 200 | 340 | 24 | 295 | 16,5 | |||
| 250 | 395 | 26 | 350 | 12 | 24,1 | ||
| 300 | 445 | 26 | 400 | 12 | 30,8 | ||
| 350 | 505 | 26 | 460 | 16 | 39,6 | ||
| 400 | 565 | 26 | 515 | 25 | 16 | M 22 | 49,6 |
| 450 | 615 | 26 | 565 | 25 | 20 | 58,6 | |
| 500 | 670 | 28 | 620 | 25 | 20 | 75,3 |
Get FF and RF Face UNI 2282 PN16 Flanges With Smooth and Concentric Serrated Finish
| UNI 2282 WELD NECK FLANGE RF PN 16 | ||||||||||||
| Directions for the designation | a | b | D | f | h | h1 | r | s | Holes | Screws | Weight* | |
| Rated Diameter |
External diameter of the pipe |
Kg | ||||||||||
| 20 | 25 | 75 | 16 | 105 | 14 | 38 | 6 | 4 | 2,5 | 4 | M 12 | 1,03 |
| 26,9 | 1,03 | |||||||||||
| 40 | 44,5 | 110 | 16 | 150 | 18 | 42 | 7 | 6 | 3 | 4 | M 16 | 2,10 |
| 48,3 | 2,08 | |||||||||||
| 32 | 38 | 100 | 16 | 140 | 18 | 40 | 6 | 6 | 3 | 4 | M 16 | 1,82 |
| 42,4 | 1,80 | |||||||||||
| 80 | 88,9 | 160 | 20 | 200 | 18 | 50 | 10 | 8 | 3,7 | 8** | M 16 | 4,20 |
| 125 | 133 | 210 | 22 | 250 | 18 | 55 | 12 | 8 | 4 | 8 | M 16 | 6,70 |
| 139,7 | 6,45 | |||||||||||
| 200 | 219,1 | 295 | 24 | 340 | 22 | 62 | 16 | 10 | 5 | 12 | M 20 | 11,1 |
| 300 | 323,9 | 410 | 28 | 460 | 25 | 78 | 16 | 12 | 6 | 12 | M 22 | 21,8 |
| 450 | 457,2 | 585 | 32 | 640 | 30 | 85 | 16 | 12 | 7,3 | 20 | M 27 | 45,4 |
| 600 | 609,6 | 770 | 36 | 840 | 36 | 95 | 18 | 12 | 7,3 | 20 | M 33 | 84,6 |
| 800 | 812,8 | 950 | 38 | 1025 | 39 | 105 | 20 | 12 | 9 | 24 | M 36 x 3 | 109 |
| 1000 | 1016 | 1170 | 42 | 1255 | 48 | 120 | 22 | 16 | 12 | 28 | M 39 x 3 | 175 |
| 1400 | 1420 | 1590 | 52 | 1685 | 48 | 145 | 30 | 16 | 16 | 36 | M 45 x 3 | 337 |
| 2000 | 2020 | 2230 | 66 | 2345 | 62 | 180 | 40 | 16 | 21 | 48 | M 56 x 4 | 727 |
UNI Flanges Supplier in India provide accurate Dimension for Flange
| Designation Directions | d1 | b | f | a | Holes | D | screws | Weight in Kg | ||
|---|---|---|---|---|---|---|---|---|---|---|
| Rated Dia. |
External dia. of the pipe |
Nominal | Dimensional Tolerance | Kilogram | ||||||
| 450 | 457,2 | 460,2 | ±5 | 32 | 25 | 565 | 20 | 615 | M 22 | 33,3 |
| 500 | 508 | 511 | 34 | 25 | 620 | 20 | 670 | M 22 | 40,3 | |
| 600 | 609,6 | 612,6 | 36 | 30 | 725 | 20 | 780 | M 27 | 53,0 | |
| 15 | 20 | 20,5 | +0,5 | 12 | 14 | 65 | 4 | 95 | M 12 | 0,67 |
| 21,3 | 22 | 0,66 | ||||||||
| 20 | 25 | 25,5 | 14 | 14 | 75 | 4 | 105 | M 12 | 0,83 | |
| 26,9 | 27,5 | 0,82 | ||||||||
| 25 | 30 | 30,5 | 14 | 14 | 85 | 4 | 115 | M 12 | 1,03 | |
| 33,7 | 34 | 1,01 | ||||||||
| 32 | 38 | 38,5 | 16 | 18 | 100 | 4 | 140 | M 16 | 1,66 | |
| 42,4 | 43 | 1,63 | ||||||||
| 40 | 44,5 | 45 | 16 | 18 | 110 | 4 | 150 | M 16 | 1,89 | |
| 48,3 | 49 | 1,85 | ||||||||
| 50 | 57 | 58 | 18 | 18 | 125 | 4 | 165 | M 16 | 2,51 | |
| 60,3 | 61,5 | 2,46 | ||||||||
| 65 | 76,1 | 77 | 18 | 18 | 145 | 4 | 185 | M 16 | 3,00 | |
| 80 | 88,9 | 90 | 20 | 18 | 160 | 4 | 200 | M 16 | 3,61 | |
| 100 | 108 | 109 | +1,0 | 22 | 18 | 180 | 8 | 220 | M 16 | 4,60 |
| 114,3 | 115,5 | 4,40 | ||||||||
| 125 | 133 | 134,5 | 24 | 18 | 210 | 8 | 250 | M 16 | 6,19 | |
| 139,7 | 141 | 5,92 | ||||||||
| 150 | 159 | 160,5 | 24 | 22 | 240 | 8 | 285 | M 20 | 7,63 | |
| 168,3 | 170 | 7,17 | ||||||||
| 175 | 193,7 | 195,5 | 26 | 22 | 270 | 8 | 315 | M 20 | 9,16 | |
| 200 | 219,1 | 221 | 26 | 22 | 295 | 8 | 340 | M 20 | 10,1 | |
| 250 | 267 | 269 | 28 | 22 | 350 | 12 | 395 | M 20 | 13,4 | |
| 273 | 275 | 12,9 | ||||||||
| 300 | 323,9 | 326 | 28 | 22 | 400 | 12 | 445 | M 22 | 14,8 | |
| 350 | 355,6 | 358 | 30 | 22 | 460 | 16 | 505 | M 20 | 22,0 | |
| 368 | 370,5 | 20,4 | ||||||||
| 400 | 406,4 | 409 | +1,5 | 32 | 25 | 515 | 16 | 565 | M 22 | 28,0 |
| 419 | 422 | 25,9 | ||||||||

Find UNI Flanges Manufacturer in India who offers Appropriate Dimensions

| Flanges | Neck | Raised face (RF) | Screws | Weight in kg (7,85 Kg/dm3) |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| d1 | Rated Dia. |
Thread | f | d4 | h1 | k | D | b | d3 | Number | Thread | d2 | Kilogram |
| 26,9 | 20 | R 3/4 | 2 | 50 | 24 | 65 | 90 | 14 | 40 | 4 | M 10 | 11 | 0,59 |
| 21,3 | 15 | R 1/2 | 2 | 40 | 20 | 55 | 80 | 12 | 30 | 4 | 0,373 | ||
| 33,7 | 25 | R 1 | 2 | 60 | 24 | 75 | 100 | 14 | 50 | 4 | 0,743 | ||
| 76,1 | 65 | R 2 1/2 | 3 | 110 | 32 | 130 | 160 | 14 | 100 | 4 | M 12 | 14 | 1,92 |
| 42,4 | 32 | R 1 1/4 | 2 | 70 | 26 | 90 | 120 | 14 | 60 | 4 | 1,05 | ||
| 48,3 | 40 | R 1 1/2 | 3 | 80 | 26 | 100 | 130 | 14 | 70 | 4 | 1,2 | ||
| 60,3 | 50 | R 2 | 3 | 90 | 28 | 110 | 140 | 14 | 80 | 4 | 1,37 | ||
| 139,7 | 125 | R 5 | 3 | 178 | 40 | 200 | 240 | 18 | 160 | 8 | M 16 | 18 | 4,47 |
| 88,9 | 80 | R 3 | 3 | 128 | 34 | 150 | 190 | 16 | 110 | 4 | 2,82 | ||
| 114,3 | 100 | R 4 | 3 | 148 | 38 | 170 | 210 | 16 | 130 | 4 | 3,19 | ||
| 165,1 | 150 | R 6 | 3 | 202 | 44 | 225 | 265 | 18 | 185 | 8 | 5,3 | ||

Check UNI Flanges Manufacturer in India who provides Custom Thickness
| NPS | Sch 40 | Sch 10 | O.Dai. | Sch 20 | Sch 30 | EXT Hvy | Sch 80 | Sch 120 | Sch 140 | Sch 60 | XX Hvy | Sch 100 | Sch 160 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ½ | 0.109 | 0.083 | 0.84 | … | … | 0.147 | 0.147 | … | … | … | 0.294 | … | 0.188 |
| ¾ | 0.113 | 0.083 | 1.05 | … | … | 0.154 | 0.154 | … | … | … | 0.308 | … | 0.219 |
| 1 | 0.133 | 0.109 | 1.315 | … | … | 0.179 | 0.179 | … | … | … | 0.358 | … | 0.25 |
| 1 ¼ | 0.14 | 0.109 | 1.66 | … | … | 0.191 | 0.191 | … | … | … | 0.382 | … | 0.25 |
| 3 ½ | 0.226 | 0.12 | 4 | … | … | 0.318 | 0.318 | … | … | … | 0.636 | … | … |
| 4 | 0.237 | 0.12 | 4.5 | … | … | 0.337 | 0.337 | 0.438 | … | … | 0.674 | … | 0.531 |
| 5 | 0.258 | 0.134 | 5.563 | … | … | 0.375 | 0.375 | 0.5 | … | … | 0.75 | … | 0.625 |
| 6 | 0.28 | 0.134 | 6.625 | … | … | 0.432 | 0.432 | 0.562 | … | … | 0.864 | … | 0.719 |
| 26 | …. | …. | 26 | …. | …. | 0.5 | …. | …. | …. | …. | …. | …. | …. |
| 30 | …. | 0.312 | 30 | 0.5 | 0.625 | 0.5 | …. | …. | …. | …. | …. | …. | …. |
| 36 | 0.75 | 0.312 | 36 | 0.5 | 0.625 | 0.5 | …. | …. | …. | …. | …. | …. | …. |
| 40 | …. | …. | 40 | …. | …. | 0.5 | …. | …. | …. | …. | …. | …. | …. |
| 42 | …….. | …….. | 42 | …….. | …….. | 0.5 | …….. | …….. | …….. | …….. | …….. | …….. | …….. |
| 48 | …….. | …….. | 48 | …….. | …….. | 0.5 | …….. | …….. | …….. | …….. | …….. | …….. | …….. |
| PS | Gasket I.D. | Gasket O.D. | ||||
|---|---|---|---|---|---|---|
| Class 150 | Class 300 | Class 400 | Class 600 | Class 900 | ||
| 1 | 1.31 | 2.625 | 2.875 | 2.875 | 2.875 | 3.125 |
| 10 | 10.75 | 13.375 | 14.25 | 14.125 | 15.75 | 17.125 |
| 12 | 12.75 | 16.125 | 16.625 | 16.50 | 18.00 | 19.625 |
| 2 1/2 | 2.88 | 4.875 | 5.125 | 5.125 | 5.125 | 6.50 |
| 3 | 3.50 | 5.375 | 5.875 | 5.875 | 5.875 | 6.625 |
| 4 | 4.50 | 6.875 | 7.125 | 7.00 | 7.625 | 8.125 |
| 5 | 5.56 | 7.75 | 8.50 | 8.375 | 9.50 | 9.75 |
| 6 | 6.62 | 8.75 | 9.875 | 9.75 | 10.50 | 11.375 |
| 1 1/4 | 1.66 | 3 | 3.25 | 3.25 | 3.25 | 3.50 |
| 1 1/2 | 1.91 | 3.375 | 3.75 | 3.75 | 3.75 | 3.875 |
| 2 | 2.38 | 4.125 | 4.375 | 4.375 | 4.375 | 5.625 |
| 8 | 8.62 | 11 | 12.125 | 12.00 | 12.625 | 14.125 |
Check UNI Flanges Supplier in India who supplies to Industrial Applications

| Ductile Iron Pipe | Nom. Pipe Size | APPRO* WT. LBS. | Steel Pipe | Dimensions | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Bolt HOLE DIA. | B | C | A | BC | Set screws | |||||||
| O.D. (Inches) | CATALOG Number | CATALOG Number | O.D. (Inches) | NO. | Size | |||||||
| 2.50 | UFA420-C-2 | 2in | 7.0 | UFA420-S-2 | 2.38 | 3/4in | 2-1/4in | 1.12in | 6-1/2in | 5in | 8 | 1/2in * 1in |
| 3.96 | UFA420-C-3 | 3in | 13.0 | UFA420-S-3 | 3.50 | 7/8in | 2-7/16in | 1.12in | 8-1/4in | 6-5/8in | 8 | 1/2in * 1in |
| 4.80 | UFA420-C-4 | 4in | 21.0 | UFA420-S-4 | 4.50 | 7/8in | 2-7/16in | 1.25in | 10in | 7-7/8in | 8 | 1/2in * 1in |
| – | – | 5in | 27.0 | UFA420-S-5 | 5.56 | 7/8in | 2-9/16in | 1.38in | 11in | 9-1/4in | 8 | 5/8in * 1-1/4in |
| 6.90 | UFA420-C-6 | 6in | 38.0 | UFA420-S-6 | 6.63 | 7/8in | 2-9/16in | 1.44in | 12-1/2in | 10-5/8in | 12 | 5/8in * 1-1/4in |
| 9.05 | UFA420-C-8 | 8in | 57.0 | UFA420-S-8 | 8.63 | 1in | 2-5/8in | 1.62in | 15in | 13in | 12 | 5/8in * 1-1/4in |
| 11.10 | UFA420-C-10 | 10in | 74.0 | UFA420-S-10 | 10.75 | 1-1/8in | 2-5/8in | 1.88in | 17-1/2in | 15-1/4in | 16 | 5/8in * 1-1/4in |
| 13.20 | UFA420-C-12 | 12in | 104.0 | UFA420-S-12 | 12.75 | 1-1/4in | 3in | 2.00in | 20-1/2in | 17-3/4in | 16 | 5/8in * 1-1/4in |
View UNI Flanges Stockist in India who delivers Flanges to different Countries
| Export to | Continent | Shipping Time in Days | Port |
|---|---|---|---|
![]() Kuwait |
Asia | 10 | Shuwaikh |
![]() Nigeria |
Africa | 30 | Apapa |
| Export to | Continent | Shipping Time in Days | Port |
|---|---|---|---|
![]() Argentina |
South America | 45 | Buenos Aires |
![]() Colombia |
South America | 45 | Barranquilla |
| Country Name | Country Name |
|---|---|
| Algeria | Nigeria |
| Zambia | Ghana |
| Tunisia | South Africa |
| Kenya | Angola |
| Tanzania | Morocco |
| Egypt | Ethiopia |




