Weld Neck Flange Type 11/B1 EN1092-1 PN100

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 – 350

Description

The Weld Neck Flange Type 11/B1 EN1092-1 PN100 is a high-pressure, precision-engineered component designed for critical industrial piping systems. Manufactured in compliance with the rigorous EN1092-1 standard, this flange ensures superior performance, safety, and durability under extreme conditions. Its weld neck design facilitates a robust, leak-proof connection, making it ideal for applications in oil and gas, chemical processing, power generation, and other demanding sectors where reliability is non-negotiable.Key features include:Material Grade: Type 11/B1, suitable for high-temperature and high-pressure environmentsPressure Rating: PN100, equivalent to 100 bar, ensuring compatibility with stringent operational requirementsStandard Compliance: Fully conforms to EN1092-1, guaranteeing interoperability and safety in European and international marketsDesign: The tapered hub and smooth bore reduce turbulence and erosion, enhancing flow efficiency and system longevityThis flange is crafted from high-quality materials, often carbon or stainless steel, providing excellent resistance to corrosion, mechanical stress, and thermal cycling. It is engineered for easy installation and maintenance, reducing downtime and operational costs. Whether for new installations or retrofitting existing systems, the Weld Neck Flange Type 11/B1 EN1092-1 PN100 delivers unmatched performance, making it a trusted choice for engineers and procurement specialists worldwide.

Additional information

Materials

No. DETAILS MATERIALS STANDARD
1 FLANGE SHIEKOV (YUBKOV) 11/B1 EN1092-1 PN 100 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 100
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* 195 145 26 68 28 86 10 6 3.2 3.2 102 3 5.92 4 M24
60.3 90 5.82
65 76.1 220 170 26 76 30 108 12 6 3.6 3.6 122 3 7.57 8 M24
80 88.9 230 180 26 78 32 120 12 8 4 4 138 3 8.82 8 M24
100 108.0* 265 210 30 90 36 145 12 8 5 5 162 3 13.50 8 M27
114.3 150 13.10
125 133.0* 315 250 33 105 40 180 12 8 6.3 6.3 188 3 21.46 8 M30
139.7 21.00
150 159.0* 355 290 33 115 44 210 12 10 7.1 7.1 218 3 29.00 12 M30
168.3 28.30
200 219.1 430 360 36 130 52 278 16 10 10 10 285 3 50.20 12 M33
250 273.0 505 430 39 157 60 340 18 12 12.5 12.5 345 3 81.40 12 M36
300 323.9 585 500 42 170 68 400 18 12 14.2 14.2 410 4 118.00 16 M39
350 355.6 655 560 48 189 74 460 20 12 16 16 465 4 169.00 16 M45
*) flanges with diameters not specified in standard EN 1092-1: 2013 - can be made to order