Weld Neck Flange Type 11/B1 EN1092-1 PN25
TECHNICAL DESCRIPTION
Neck (skirt) flanges according to standard EN1092-1 / type 11 / B1 are pipeline elements with a wide size range, which are widely used in the construction of steel pipelines and pipe segments (spools) used in industry, industry and ship repair.
We stock EN1092-1 type 11 / B1 sealing surface steel flanges, but we also have the necessary machining equipment, which allows us to offer flanges with sealing surfaces.
• sealing surface type A, B2, C, D, E, F
• non-standard sealing surfaces on request
• profile grooves for metal sealing rings (segments) type RTJ
• flanges made on request by the customer, and others.
SUPPORTED MATERIALS IN STOCK:
• Carbon steel
P250GH (1.0460) / EN 10222-2
Dimensions:DN 10 – 1000
The Weld Neck Flange Type 11/B1, compliant with EN1092-1 PN25, is engineered for high-pressure piping systems requiring superior strength and leak-proof performance. Its design features a tapered hub that provides excellent stress distribution, making it ideal for critical applications in oil and gas, chemical processing, and power generation industries. Manufactured to exacting European standards, this flange ensures compatibility and reliability in demanding environments.Key specifications and benefits include:Material Grade: Type 11/B1, suitable for high-temperature and corrosive conditionsPressure Rating: PN25, equivalent to 25 bar at ambient temperatureStandards Compliance: EN1092-1, guaranteeing dimensional accuracy and performanceConnection Type: Butt-weld for secure, permanent jointsApplications: Ideal for pipelines, pressure vessels, and industrial equipmentThis flange is crafted from high-quality materials, ensuring durability and resistance to mechanical and thermal stresses. Its weld neck design facilitates smooth fluid flow, reduces turbulence, and minimizes pressure drops, enhancing overall system efficiency. Easy installation and maintenance, coupled with long service life, make it a cost-effective solution for industrial infrastructure projects.
Materials
| No. | DETAILS | MATERIALS | STANDARD |
|---|---|---|---|
| 1 | FLANGE SHIEKOV (YUBKOV) 11/B1 EN1092-1 PN 25 | steel P250GH (1.0460) | EN 10222-2 |
| other steels - on request | |||
| P280GH / 1.0426 | EN 10222-2 | ||
| 16Mo3; 15Mo3 / 1.5415 | EN 10222-2 | ||
| other stainless steels - on request | |||
| AISI 304L (X2CrNiMo17-12-2) / 1.4404 | EN 10222-5 | ||
| AISI 316L (X2CrNiMo17-12-2) / 1.4404 | EN 10222-5 | ||
| AISI 321 (X6CrNiTi18-10) / 1.4541 | EN 10222-5 | ||
| AISI 316Ti (X6CrNiMoTi17-12-2) / 1.4571 | EN 10222-5 | ||
Features
| SPECIFICATION | |
|---|---|
| Standard | EN 1092-1 11/B1 |
| Pressure | PN 25 |
| DN | pipe Ø | flange dimensions | fastener dimensions | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A | D | K | L | H2 | C2 | N1 | H3 | R | s | Sp | d1 | f1 | kg | n | M | |
| 10 | 13.5* | 90 | 60 | 14 | 35 | 16 | 25 | 6 | 4 | 2 | 2 | 40 | 2 | 0.72 | 4 | M12 |
| 17.2 | 28 | 0.68 | ||||||||||||||
| 15 | 20.0* | 95 | 65 | 14 | 38 | 16 | 30 | 6 | 4 | 2 | 2 | 45 | 2 | 0.82 | 4 | M12 |
| 21.3 | 32 | 0.77 | ||||||||||||||
| 20 | 25.0* | 105 | 75 | 14 | 40 | 18 | 38 | 6 | 4 | 2.3 | 2.3 | 58 | 2 | 1.15 | 4 | M12 |
| 21.3 | 40 | 1.09 | ||||||||||||||
| 25 | 30.0* | 115 | 85 | 14 | 40 | 18 | 42 | 6 | 4 | 2.6 | 2.6 | 68 | 2 | 1.60 | 4 | M12 |
| 33.7 | 46 | 1.30 | ||||||||||||||
| 32 | 38.0* | 140 | 100 | 18 | 42 | 18 | 52 | 6 | 6 | 2.6 | 2.6 | 78 | 2 | 1.99 | 4 | M16 |
| 42.4 | 56 | 1.91 | ||||||||||||||
| 40 | 44.5* | 150 | 110 | 18 | 45 | 18 | 60 | 7 | 6 | 2.6 | 2.6 | 88 | 3 | 2.33 | 4 | M16 |
| 48.3 | 64 | 2.15 | ||||||||||||||
| 50 | 57.0* | 165 | 125 | 18 | 48 | 20 | 72 | 8 | 6 | 2.9 | 2.9 | 102 | 3 | 2.90 | 4 | M16 |
| 60.3 | 75 | 2.85 | ||||||||||||||
| 65 | 76.1 | 185 | 145 | 18 | 52 | 22 | 90 | 10 | 6 | 2.9 | 2.9 | 122 | 3 | 3.68 | 8 | M16 |
| 80 | 88.9 | 200 | 160 | 18 | 58 | 24 | 105 | 12 | 8 | 3.2 | 3.2 | 138 | 3 | 4.78 | 8 | M16 |
| 100 | 108.0* | 235 | 190 | 22 | 65 | 24 | 128 | 12 | 8 | 3.6 | 3.6 | 162 | 3 | 4.56 | 8 | M20 |
| 114.3 | 134 | 6.46 | ||||||||||||||
| 125 | 133.0* | 270 | 220 | 26 | 68 | 26 | 155 | 12 | 8 | 4 | 4 | 188 | 3 | 9.40 | 8 | M24 |
| 139.7 | 162 | 8.86 | ||||||||||||||
| 150 | 159.0* | 300 | 250 | 26 | 75 | 28 | 182 | 12 | 10 | 4.5 | 4.5 | 218 | 3 | 12.10 | 8 | M24 |
| 168.3 | 192 | 11.70 | ||||||||||||||
| 200 | 219.1 | 360 | 310 | 26 | 80 | 30 | 244 | 16 | 10 | 6.3 | 6.3 | 278 | 3 | 17.10 | 12 | M24 |
| 250 | 273.0 | 425 | 370 | 30 | 88 | 32 | 298 | 18 | 12 | 7.1 | 7.1 | 335 | 3 | 24.30 | 12 | M27 |
| 300 | 323.9 | 485 | 430 | 30 | 92 | 34 | 352 | 18 | 12 | 8 | 8 | 395 | 4 | 31.80 | 16 | M27 |
| 350 | 355.6 | 555 | 490 | 33 | 100 | 38 | 398 | 20 | 12 | 8 | 8 | 450 | 4 | 48.80 | 16 | M30 |
| 400 | 406.4 | 620 | 550 | 36 | 110 | 40 | 452 | 20 | 12 | 8.8 | 8.8 | 505 | 4 | 63.30 | 16 | M33 |
| 450 | 457.0 | 670 | 600 | 36 | 110 | 46 | 500 | 20 | 12 | 8.8 | 8.8 | 555 | 4 | 76.00 | 20 | M33 |
| 500 | 508.0 | 730 | 660 | 36 | 125 | 48 | 558 | 20 | 12 | 10 | 10 | 615 | 4 | 97.00 | 20 | M33 |
| 600 | 610.0 | 845 | 770 | 39 | 125 | 48 | 660 | 20 | 12 | 12.5 | 11 | 720 | 5 | 121.00 | 20 | M36 |
| 700 | 711.0 | 960 | 875 | 42 | 129 | 50 | 760 | 20 | 12 | 14.2 | 12.5 | 820 | 5 | 155.00 | 24 | M39 |
| 800 | 813.0 | 1085 | 990 | 48 | 138 | 53 | 864 | 22 | 12 | 16 | 14.2 | 930 | 5 | 205.00 | 24 | M45 |
| 900 | 914.0 | 1185 | 1090 | 48 | 148 | 57 | 968 | 24 | 12 | 17.5 | 16 | 1030 | 5 | 249.00 | 28 | M45 |
| 1000 | 1016.0 | 1320 | 1210 | 56 | 160 | 63 | 1070 | 24 | 16 | 20 | 17.5 | 1140 | 5 | 338.00 | 28 | M52 |
| *) flanges with diameters not specified in standard EN 1092-1: 2013 - can be made to order | ||||||||||||||||
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