Weld Neck Flange Type 11/B1 EN1092-1 PN63

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 – 400

Description

The Weld Neck Flange Type 11/B1, compliant with EN1092-1 PN63, is engineered for high-pressure industrial piping systems requiring superior strength and leak-proof performance. Its weld neck design ensures a smooth transition from pipe to flange, reducing stress concentrations and enhancing durability under extreme conditions. This flange is ideal for critical applications in oil and gas, chemical processing, and power generation industries, where reliability and safety are paramount.Constructed from high-grade materials, this flange meets rigorous European standards, guaranteeing compatibility and interoperability in diverse systems. Key features include:Pressure rating of PN63 for handling up to 63 barPrecision machining for perfect alignment and secure weldingRobust design to withstand thermal expansion and mechanical loadsCertified compliance with EN1092-1 for quality assuranceEasy installation and maintenance make this weld neck flange a cost-effective solution for long-term operational efficiency. Its corrosion-resistant properties ensure performance in harsh environments, minimizing downtime and replacement costs. Trust this flange for seamless integration into your high-pressure infrastructure, delivering unmatched performance and safety.

Additional information

Materials

No. DETAILS MATERIALS STANDARD
1 FLANGE SHIEKOV (YUBKOV) 11/B1 EN1092-1 PN 63 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 63

 

Dimensions
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* 100 70 14 45 20 28 6 4 2 2 40 2 1.10 4 M12
17.2 32 1.09
15 20.0* 105 75 14 45 20 32 6 4 2 2 45 2 1.22 4 M12
21.3 34 1.20
20 25.0* 130 90 18 48 22 42 8 4 2.6 2.6 58 2 2.04 4 M16
_26.9 42 2.02
25 30.0* 140 100 18 58 24 48 8 4 2.6 2.6 68 2 2.65 4 M16
33.7 52 2.63
32 38.0* 155 110 22 60 24 58 8 6 2.9 2.9 78 2 3.25 4 M20
42.4 62 3.20
40 44.5* 170 125 22 62 26 65 10 6 2.9 2.9 88 3 4.12 4 M20
48.3 70 4.07
50 57.0* 180 135 22 62 26 78 10 6 2.9 2.9 102 3 4.55 4 M20
60.3 82 4.51
65 76.1 205 160 22 68 26 98 12 6 3.2 3.2 122 3 5.58 8 M20
80 88.9 215 170 22 72 28 112 12 8 3.6 3.6 138 3 6.68 8 M20
100 108.0* 250 200 26 78 30 132 12 8 4 4 162 3 9.45 8 M24
114.3 138 9.27
125 133.0* 295 240 30 88 34 162 12 8 4.5 4.5 188 3 14.66 8 M27
139.7 168 14.50
150 159.0* 345 280 33 95 36 192 12 10 5.6 5.6 218 3 21.50 8 M30
168.3 202 21.40
200 219.1 415 345 36 110 42 256 16 10 7.1 7.1 285 3 34.10 12 M33
250 273.0 470 400 36 125 46 316 18 12 8.8 8.8 345 3 48.30 12 M33
300 323.9 530 460 36 140 52 372 18 12 11 11 410 4 67.50 16 M33
350 355.6 600 525 39 150 56 420 20 12 12.5 12.5 465 4 97.80 16 M36
400 406.4 670 585 42 160 60 475 20 12 14.2 14.2 535 4 129.00 16 M39
*) flanges with diameters not specified in standard EN 1092-1: 2013 - can be made to order