DIN FLANGE

 

DIN flanges offer a range of significant advantages, making them highly sought after in various industries that require reliable and durable piping connections. One of the key benefits of DIN flanges is their adherence to standardized dimensions and specifications, ensuring compatibility and interchangeability between different components. This standardization simplifies the installation process and reduces the risk of errors, as engineers and technicians can easily select the right flange size and type for their specific application. Whether used in chemical plants, power generation, oil and gas facilities, or water treatment systems, DIN flanges provide consistent performance across a wide range of environments.

 

Another major advantage of DIN flanges is their durability and strength. Manufactured from high-quality materials such as stainless steel, carbon steel, or alloy steel, these flanges are designed to withstand extreme temperatures, pressures, and corrosive environments. This makes them ideal for demanding applications where longevity and minimal maintenance are critical. Furthermore, DIN flanges are available in various pressure ratings, ensuring that they can handle both low and high-pressure systems effectively.

 

In addition to their robust construction, DIN flanges also provide excellent sealing capabilities, which are crucial in preventing leaks and ensuring the integrity of the piping system. Their design allows for easy assembly and disassembly, facilitating maintenance and inspection without compromising the overall system. This ease of maintenance not only reduces downtime but also lowers operational costs in the long run.

 

Moreover, DIN flanges are widely available due to their global recognition and usage, making sourcing from a DIN flange manufacturer or supplier convenient and cost-effective. Their universal acceptance in many industries also means that spare parts and replacements are readily accessible, further enhancing their practicality and reliability in diverse applications.

What Is a DIN Flange

 

A DIN flange, commonly referred to in industrial settings, is a common flange type of flange that conforms to the Deutsches Institut für Normung (DIN) standards. These standards are well-established in Europe and are utilized globally, facilitating interoperability and reliability in piping systems. A DIN flange is essential in various applications, including water supply systems, petrochemical processing, and manufacturing environments.

 

DIN flanges come in several different types, including slip-on, blind, and welding neck, among others. Each type is designed to cater to specific needs and operational conditions. The slip-on flange is particularly popular due to its ease of alignment and installation, while the blind flange is indispensable for sealing off the end of a pipeline. Welding neck flanges are also highly favored for their strength and ability to handle high-pressure applications.

 

One of the primary benefits of DIN flanges is their compatibility with various materials, including carbon steel, stainless steel, and alloy steel. This flexibility allows for the use of DIN flanges in a wide array of industries, from food and beverage to oil and gas.

 

Additionally, DIN flanges are manufactured in various sizes and pressure ratings, ensuring they meet the desired specifications for any project. When selecting a DIN flange, it is crucial to consider factors such as the type of material, pressure requirements, and operational conditions to ensure optimal performance and safety.

 

What Is the Difference Between DIN and ANSI Flanges

 

DIN flanges, or Deutsches Institut für Normung flanges, are a standard developed in Germany. These flanges are characterized by their specific measurement system and generally follow a metric standard. This means that DIN flanges usually accommodate pipe sizes referenced in millimeters. The design of DIN flanges also emphasizes a higher standard of sealing performance. Consequently, they are commonly utilized in industries that prioritize safety and reliability, such as chemical processing and water treatment.

 

On the other hand, ANSI flanges, defined by the American National Standards Institute, follow an imperial measurement system. These flanges are commonly used in the United States and are designed to be compatible with American piping systems, which are measured in inches. ANSI flanges have a variety of pressure ratings and are well-suited for a diverse array of applications, including oil and gas, heating, and cooling systems.

 

The key differences between DIN and ANSI flanges lie in their dimensions, pressure ratings, and material standards. While DIN flanges are primarily metric-based, ANSI flanges are imperial, which sometimes complicates integration in multinational projects. Compatibility is crucial; matching the correct flange type to your piping system determines the overall functionality and longevity of your infrastructure.

 

In summary, while both DIN and ANSI flanges are essential for creating secure and effective piping systems, the choice between them depends heavily on your specific project’s requirements. Understanding these differences ensures that you select the appropriate flange type for optimal performance and safety.

 

Application of DIN Flanges in Various Industries

 

1. Oil and Gas Industry

DIN flanges are extensively used in the oil and gas industry due to their robustness and reliability. These flanges help in the creation of secure connections in pipelines that transport oil and natural gas. Given the high pressure and varying temperatures associated with this industry, utilizing high-quality DIN flanges is crucial to maintaining safety standards and operational efficiency.

 

2. Water Treatment Facilities

In water treatment facilities, DIN flanges are vital in ensuring leak-free connections for various systems, including filtration and distribution pipelines. These flanges support the secure attachment of pipes that carry both raw and treated water, allowing for efficient water management and treatment processes.

 

3. Chemical Processing

The chemical processing industry demands components that can withstand harsh environments and corrosive substances. DIN flanges play a critical role in this sector by providing strong connections between pipes that convey chemicals and solvents. Their ability to handle high pressure and temperature variations ensures that the integrity of these connections is maintained.

 

4. Power Generation

In power plants, especially those utilizing steam, DIN flanges are integral for connecting pipes that handle steam and geothermal water. The reliability and strength of these flanges are essential to the safe operation of power generation systems, contributing to overall energy efficiency.

 

5. Food and Beverage Industry

With the growing emphasis on hygiene and safety in the food and beverage sector, DIN flanges are utilized in various processes, including pasteurization and bottling. Flanges made from stainless steel are particularly favored for their resistance to corrosion and ease of cleaning, making them ideal for applications where sanitation is critical.

 

6. Construction and Civil Engineering

In construction, DIN flanges facilitate connections in HVAC systems, plumbing, and other pipeline installations. Their standardized sizes assure compatibility with various components, simplifying the installation process and ensuring structural integrity in projects.

 

DIN Flange Types

 

1. DIN 2573 Flanges

 

These common flange types are classified as weld neck flanges, known for their robust design, which allows for smooth transitions in piping systems. DIN 2573 flanges are particularly favored in high-pressure settings, making them ideal for use in industries such as oil and gas, chemical processing, and water supply.

 

2. DIN 2630 Flanges

 

Commonly referred to as slip-on flanges, DIN 2630 flanges are designed to slip over the end of a pipe. They are easier to install compared to weld neck flanges and are suitable for low to medium-pressure applications. These flanges are often found in piping layouts where ease of maintenance is essential.

 

3. DIN 2641 Flanges

 

DIN 2641 flanges, or blind flanges, are used to seal the end of a piping system. These flanges do not have a center hole, making them an effective solution for isolating sections of a piping network. They play a crucial role in maintaining system pressure and preventing leakage, particularly in high-pressure applications.

 

4. DIN 2631 Flanges

 

Similar to the slip-on variety, DIN 2631 flanges are also slip-on flanges with a raised face. This feature enhances the sealing capability of the joint, making it suitable for applications where leakage prevention is a critical concern. Industries that require high sanitation standards, such as food and beverage, often utilize these flanges.

 

5. DIN 2502 Flanges

 

DIN 2502 flanges are a type of blind flange that provides the necessary rigidity in piping systems without the risk of leakage. Typically applied in water supply networks and process plants, these flanges are notable for their affordability and ease of installation.

 

Din Flange Dimensions

 

DIN 6Bar
DIN 2573 Slip On Flange
DIN 2527 Blind Flange
DIN 2631 Welding Neck Flange
 
BORE COMMON DIMENSION HUB RAISED FACE DRILLING Approx.Weight(kg)
DN d1 d5 D b k h1 d3 s r h2 d4 f Number
of Bolf
d2 FROM
2573
FROM
2631
FROM
2527
Hitsaus
neck
Slip On Blind
15 20 21 80 12 12 12 55 30 28
30
2 4 6 40 2 4 11 0.41 0.392  
21.3 22
20 25 26 90 14 14 14 65 32 35
38
2.3 4 6 50 2 4 11 0.6 0.592  
26.9 27.6
25 30 31 100 14 14 14 75 35 40
42
2.6 4 6 60 2 4 11 0.74 0.747  
33.7 34.4
32 38 39 120 14 16 14 90 35 50
55
2.6 6 6 70 2 4 14 1.19 1.05  
42.4 43.1
40 44.5 45.5 130 14 16 14 100 38 58
62
2.6 6 7 80 3 4 14 1.39 1.18  
48.3 49
50 57 58.1 140 14 16 14 110 38 70
74
2.9 6 8 90 3 4 14 1.53 1.34  
60.3 61.1
65 76.1 77.1 160 14 16 14 130 38 88 2.9 6 9 110 3 4 14 1.89 1.67 2.48
80 88.9 90.3 190 16 18 16 150 42 102 3.2 8 10 128 3 4 18 2.98 2.71 3.49
100 108 109.6 210 16 18 16 170 45 122
130
3.6 8 10 148 3 4 18 3.46 3.24 4.86
114.3 115.9
125 133 134.8 240 18 20 18 200 48 148
155
4 8 10 178 3 8 18 4.6 4.49 6.28
139.7 141.6
150 159 161.1 265 18 20 18 225 48 172
184
4.5 10 12 202 3 8 18 5.22 5.15 7.75
168.3 170.5
200 219.1 221.8 320 20 22 20 280 55 236 5.9 10 15 258 3 8 18 7.15 7.78 12.7
250 267 270.2 375 22 24 22 335 60 282
290
6.3 12 15 312 3 12 18 9.61 10.8 19
273 276.2
300 323.9 327.6 440 22 24 22 395 62 342 7.1 12 15 365 4 12 22 12.6 14 26.3
350 355.6 359.7 490 22 26 22 445 62 385 7.1 12 15 415 4 12 22 15.6 16.7 32.9
368 372.2
400 406.4 411
423.7
540 22 28 22 495 65 438 7.1 12 15 465 4 16 22 18.4 19 40.2
419
500 508 513.6 645 24 30 24 600 68 538 7.1 12 15 570 4 20 22 24.6 28.6 63.2

 

DIN 10Bar
DIN 2576 Slip On Flange
DIN 2527 Blind Flange
DIN 2632 Welding Neck Flange
 
BORE COMMON DIMENSION HUB RAISED FACE DRILLING Approx.Weight(kg)
DN d1 d5 D b k h1 d3 s r h2 d4 f Number
of Bolf
d2 FROM
2576
FROM
2632
FROM
2527
Hitsaus
neck
Slip On Blind
10 14 14.5 90 14 14 14 60 35 25 1.8 4 6 40 2 4 14 0.613
0.605
0.58 0.63
17.2 17.7 28
15 20 21 95 14 14 14 65 35 30 2 4 6 45 2 4 14 0.675
0.669
0.648 0.72
21.3 22 32
20 25 26 105 16 16 16 75 38 38
40
2.3 4 6 58 2 4 14 0.943
0.936
0.952 1.01
26.9 27.6
25 30 31 115 16 16 16 85 38 42
45
2.6 4 6 68 2 4 14 1.14
1.11
1.14 1.23
33.7 34.4
32 38 39 140 16 16 16 100 40 52
56
2.6 6 6 78 2 4 18 1.66
1.62
1.69 1.8
42.4 43.1
40 44.5 45.5 150 16 16 16 110 42 60
64
2.6 6 7 88 3 4 18 1.89
1.86
1.86 2.09
48.3 49
50 57 58.1 165 18 18 18 125 45 72
75
2.9 6 8 102 3 4 18 2.51
2.47
2.53 2.88
60.3 61.1
65 76.1 77.1 185 18 18 18 145 45 90 2.9 6 10 122 3 4 18 3 3.06 3.66
80 88.9 90.3 200 20 20 20 160 50 105 3.2 8 10 138 3 8 18 3.79 3.7 4.77
100 108 109.6 220 20 20 20 180 52 125
131
3.6 8 12 158 3 8 18 4.2 4.62 5.65
114.3 115.9 4.03
125 133 134.8 250 22 22 22 210 55 150
156
4 8 12 188 3 8 18 5.71
5.46
6.3 8.42
139.7 141.6
150 159 161.1 285 22 22 22 240 55 175
184
4.5 10 12 212 3 8 22 6.72 7.75 10.4
168.3 170.5 6.57
175 193.7 196.1 315 24 24 24 270 60 210 5.4 10 12 242 3 8 22 8.45 9.85 14
200 219.1 221.8 340 24 24 24 295 62 235 5.9 10 16 268 3 8 22 9.31 11.3 16.9
250 267 270.2 395 26 26 26 350 68 285 6.3 12 16 320 3 12 22 12.5 14.7 24.7
273 276.2 292 11.9
 
BORE COMMON DIMENSION HUB RAISED FACE DRILLING Approx.Weight(kg)
DN d1 d5 D b k h1 d3 s r h2 d4 f Number
of Bolf
d2 FROM
2576
FROM
2632
FROM
2527
Hitsaus
neck
Slip On Blind
300 323.9 327.6 445 26 26 26 400 68 344 7.1 12 16 370 4 12 22 13.8 17.4 31.9
350 355.6 359.7 505 26 28 26 460 68 385 7.1 12 16 430 4 16 22 20.6
19
21.6 41.9
368 372.2
400 406.4 411 565 26 32 26 515 72 440 7.1 12 16 482 4 16 26 27.9
25.9
26.2 51.2
419 423.7
500 508 513.6 670 28 38 28 620 75 542 7.1 12 16 585 4 20 26 41.1 38.1 77.8
600 610 616.5 780 28 40   725 80 642 7.1 12 18 685 5 20 30 51.87 44.6  
700 711 716 895 30 40   840 80 745 8 12 18 800 5 24 30 65.79 62.4  
800 813 818 1015 32 44   950 90 850 8 12 18 905 5 24 33 90.87 84.1  
900 914 920 1115 34 48   1050 95 950 10 12 20 1005 5 28 33 108.41 98.5  
1000 1016 1022 1230 34 50   1160 95 1052 10 16 20 1110 5 28 36 133.21 115  
1200 1220 1226 1455 38 54   1380 115 1255 11 16 25 1330 5 32 39 188.2 182  
1400 1420 1426 1675 42 60   1590 120 1460 12 16 25 1535 5 36 42 262.14 248  
1600 1620 1626 1915 46 64   1820 130 1665 14 16 25 1760 5 40 48 367.43 347  
1800 1820 1826 2115 50 70   2020 140 1868 15 16 30 1960 5 44 48 447.79 430  
2000 2020 2026 2325 54 76   2230 150 2072 16 16 30 2170 5 48 48 577.77 539  
2200 2220 2226 2550 58 82   2440 160 2275 18 18 35 2370 6 52 56 699.88 658  
2400 2420 2426 2760 62 88   2650 170 2478 20 18 35 2570 6 56 56 844.49 825  
2600 2620 2626 2960 66 94   2850 180 2680 22 18 40 2780 6 60 56 972.23 979  
2800 2820 2826 3180 70 100   3070 190 2882 22 18 40 3000 6 64 56 1187.1 1156  
3000 3020 3026 3405 75 106   3290 200 3085 24 18 45 3210 6 68 62 1422.06 1420  

 

DIN 16Bar
DIN 2502 Slip On Flange
DIN 2527 Blind Flange
DIN 2633 Welding Neck Flange
 
BORE COMMON DIMENSION HUB RAISED FACE DRILLING Approx.Weight(kg)
DN d1 d5 D b k h1 d3 s r h2 d4 f Number
of Bolf
d2 FROM
2502
FROM
2633
FROM
2527
Hitsaus
neck
Slip On Blind
10 14 14.5 90 14 14 14 60 35 25
28
1.8 4 6 40 2 4 14 0.613
0.605
0.58 0.63
17.2 17.7
15 20 21 95 14 14 14 65 35 30 2 4 6 45 2 4 14 0.675
0.669
0.648 0.72
21.3 22 32
20 25 26 105 16 16 16 75 38 38
40
2.3 4 6 58 2 4 14 0,943
0.936
0.952 1.01
26.9 27.6
25 30
33.7
31
34.4
115 16 16 16 85 38 42
45
2.6 4 6 68 2 4 14 1.14
1.11
1.14 1.23
32 38 39 140 16 16 16 100 40 52
56
2.6 6 6 78 2 4 18 1.66
1.62
1.69 1.8
42.4 43.1
40 44.5 45.5 150 16 16 16 110 42 60
64
2.6 6 7 88 3 4 18 1.89
1.86
1.86 2.09
48.3 49
50 57 58.1 165 18 18 18 125 45 72
75
2.9 6 8 102 3 4 18 2.51
2.47
2.53 2.88
60.3 61.1
65 76.1 77.1 185 18 18 18 145 45 90 2.9 6 10 122 3 4 18 3 3.06 3.66
80 88.9 90.3 200 20 20 20 160 50 105 3.2 8 10 138 3 8 18 3.79 3.7 4.77
100 108 109.6 220 20 20 20 180 52 125
131
3.6 8 12 158 3 8 18 4.2
4.03
4.62 5.65
114.3 115.9
125 133 134.8 250 22 22 22 210 55 150
156
4 8 12 188 3 8 18 5.71
5.46
6.3 8.42
139.7 141.6
150 159 161.1 285 22 22 22 240 55 175
184
4.5 10 12 212 3 8 22 6.72
6.57
7.75 10.4
168.3 170.5
175 193.7 196.1 315 24 24 24 270 60 210 5.4 10 12 242 3 8 22 8.45 9.85 14
200 219.1 221.8 340 24 24 24 295 62 235 5.9 10 16 268 3 12 22 9.31 11 16.1
250 267 270.2 405 26 26 26 355 70 285 6.3 12 16 320 3 12 26 13.4 15.6 24.9
273 276.2 292
300 323.9 327.6 460 28 28 28 410 78 344 7.1 12 16 378 4 12 26 17.4 22 35.1
 
BORE COMMON DIMENSION HUB RAISED FACE DRILLING Approx.Weight(kg)
DN d1 d5 D b k h1 d3 s r h2 d4 f Number
of Bolf
d2 FROM
2502
FROM
2633
FROM
2527
Hitsaus
neck
Slip On Blind
350 355.6 359.7 520 30 30 30 470 82 390 8 12 16 438 4 16 26 26.6 28.8 47.8
368 372.2
400 406.4 411
423.7
580 32 32 32 525 85 445 8 12 16 490 4 16 30 30.9 36.3 63.5
419
500 508 513.6 715 34 38 34 650 90 548 8 12 16 610 4 20 33 54 61 102
600 610 616.5 840 36 42 36 770 95 652 8.8 12 18 725 5 20 36 77.58 75.4 149.7
700 711 716 910 36 44 36 840 100 755 8.8 12 18 795 5 24 36 77.13 77 173.7
800 813 818 1025 38 50 38 950 105 855 10 12 20 900 5 24 39 106.35 101 235.5
900 914 920 1125 40 54 40 1050 110 955 10 12 20 1000 4 28 39 125.39 122 298.8
1000 1016 1022 1255 42 60 42 1170 120 1058 10 16 22 1115 5 28 42 177.99 162 390.7
1200 1220 1226 1485 48 68 48 1390 130 1262 12.5 16 30 1330 5 32 48 263.46 243 624.8
1400 1420 1426 1685 52 74 52 1590 145 1465 14.2 16 30 1530 5 36 48 329.77 323 872.6
1600 1620 1626 1930 58 82 58 1820 160 1668 16 16 35 1750 5 40 56 483.11 479 1275.1
1800 1820 1826 2130 62 88 62 2020 170 1870 17.5 16 35 1950 5 44 56 577.63 599 1661.9
2000 2020 2026 2345 66 94 66 2230 180 2072 20 16 40 2150 5 48 62 720.85 719 2142.1

 

DIN 25Bar
DIN 2503 Slip On Flange
DIN 2527 Blind Flange
DIN 2634 Welding Neck Flange
 
BORE COMMON DIMENSION HUB RAISED FACE DRILLING Approx.Weight(kg)
DN d1 d5 D b k h1 d3 s r h2 d4 f Number
of Bolf
d2 FROM
2503
FROM
2634
FROM
2527
Hitsaus
neck
Slip On Blind
10 14 14.5 90 16 16 16 60 35 25 1.8 4 6 40 2 4 14 0.7 0.661  
17.2 17.7 28
15 20 21 95 16 16 16 65 38 30 2 4 6 45 2 4 14 0.771 0.746  
21.3 22 32
20 25 26 105 18 18 18 75 40 38 2.3 4 6 58 2 4 14 1 1.06  
26.9 27.6 40
25 30 31 115 18 18 18 85 40 42
46
2.6 4 6 68 2 4 14 1.28 1.29  
33.7 34.4
32 38 39 140 18 18 18 100 42 52
56
2.6 6 6 78 2 4 18 1.87 1.88  
42.4 43.1
40 44.5 45.5 150 18 18 18 110 45 60
64
2.6 6 7 88 3 4 18 2.13 2.33  
48.3 49
50 57 58.1 165 20 20 20 125 48 72
75
2.9 6 8 102 3 4 18 2.79 2.82  
60.3 61.1
65 76.1 77.1 185 22 22 22 145 52 90 2.9 6 10 122 3 8 18 3.48 3.74 4.33
80 88.9 90.3 200 24 24 24 160 58 105 3.2 8 12 138 3 8 18 4.35 4.75 5.94
100 108 109.6 235 24 24 24 190 65 128 3.6 8 12 162 3 8 22 5.78 6.52 7.64
114.3 115.9 134
125 133 134.8 270 26 26 26 220 68 155
162
4 8 12 188 3 8 26 7.87 9.07 11
139.7 141.6
150 159 161.1 300 28 28 28 250 75 182
192
4.5 10 12 218 3 8 26 10.1 11.8 14.7
168.3 170.5
175 191 193 330 28 28 28 280 75 215 5.6 10 15 248 3 12 26 11 13.4 17.6
193.7 196 218
 
BORE COMMON DIMENSION HUB RAISED FACE DRILLING Approx.Weight(kg)
DN d1 d5 D b k h1 d3 s r h2 d4 f Number
of Bolf
d2 FROM
2503
FROM
2634
FROM
2527
Hitsaus
neck
Slip On Blind
200 216 219 360 30 30 30 310 80 240 6.3 10 16 278 3 12 26 13.6 17 22.7
219.1 221.8 244
250 267 270 425 32 32 32 370 88 292 7.1 12 18 335 3 12 30 19.4 24.4 34.5
273 276.2 298
300 318 322 485 34 34 34 430 92 345
352
8 12 18 395 4 16 30 25 31.2 47.3
323.9 327.6
350 355.6 359.7 555 38 38 38 490 100 398 8 12 20 450 4 16 33 38.2 47.2
44.2
69.3
368 372.2
400 406.4 411 620 40 40 40 550 110 452 8.8 12 20 505 4 16 36 48.8 61.7 91.5
419 423.7 57.9
500 508 513.6 730 44 44 45 660 125 558 10 12 20 615 4 20 36 67.2 89.6 141
600 610 616.5 845 46 50   770 125 660 11 12 20 720 5 20 39 93.57 104  
700 711 716 960 46 52   875 125 760 12.5 12 20 820 5 24 42 117.53 136  
800 813 818 1085 50 56   990 135 865 14.2 12 22 930 5 24 48 156.31 186  
900 914 920 1185 54 62   1090 145 968 16 12 24 1030 5 28 48 188.57 236  
1000 1016 1022 1320 58 68   1210 155 1070 17.5 16 24 1140 5 28 56 255.97 307  

 

DIN 40Bar
DIN 2503 Slip On Flange
DIN 2527 Blind Flange
DIN 2635 Welding Neck Flange
 
BORE COMMON DIMENSION HUB RAISED FACE DRILLING Approx.Weight(kg)
DN d1 d5 D b k h1 d3 s r h2 d4 f Number
of Bolf
d2 FROM
2503
FROM
2635
FROM
2527
Hitsaus
neck
Slip On Blind
15 20 21 95 16 16 16 65 38 30
32
2 4 6 45 2 4 14 0.771 0.746  
21.3 22
20 25 26 105 18 18 18 75 40 38
40
2.3 4 6 58 2 4 14 1 1.06  
26.9 27.6
25 30 31 115 18 18 18 85 40 42
46
2.6 4 6 68 2 4 14 1.28 1.29  
33.7 34.4
32 38 39 140 18 18 18 100 42 52
56
2.6 6 6 78 2 4 18 1.87 1.88  
42.4 43.1
40 44.5 45.5 150 18 18 18 110 45 60
64
2.6 6 7 88 3 4 18 2.13 2.33  
48.3 49
50 57 58.1 165 20 20 20 125 48 72
75
2.9 6 8 102 3 4 18 2.79 2.82  
60.3 61.1
65 76.1 77.1 185 22 22 22 145 52 90 2.9 6 10 122 3 8 18 3.48 3.74 4.33
80 88.9 90.3 200 24 24 24 160 58 105 3.2 8 12 138 3 8 18 4.35 4.75 5.94
100 108 109.6 235 24 24 24 190 65 128
134
3.6 8 12 162 3 8 22 5.78 6.52 7.64
114.3 115.9
125 133 134.8 270 26 26 26 220 68 155
162
4 8 12 188 3 8 26 7.87 9.07 11
139.7 141.6
150 159 161.1 300 28 28 28 250 75 182 4.5 10 12 218 3 8 26 10.1 11.8 14.7
168.3 170.5 192
200 219.1 221.8 375 34 34 34 320 88 244 6.3 10 16 285 3 12 30 17.4 21.5 27.6
250 267 270.2 450 38 38 38 385 105 298
306
7.1 12 18 345 3 12 33 27.6 34.9 44.5
273 276.2
300 323.9 327.6 515 42 42 42 450 115 362 8 12 18 410 4 16 33 37.8 49.7 64.3
350 355.6 359.7 580 46 46 46 510 125 408 8.8 12 20 465 4 16 36 53.4 68.1 90.8
368 372.2
400 406.4 411 660 50 50 50 585 135 462 11 12 20 535 4 16 39 75.4 96.5 129
419 423.7
500 508 513.6 755 52 52 56 670 140 562 14.2 12 20 615 4 20 42 88.3 117 175

 


SCREWED PIPE FLANGES 
Nominal Pressure :10 and 16kgf/c
2-ND10-ND16
DIN 2566
FLANGES
BORULARICIN,VIDALI
Anma Basinc1:10ve 16kgf/c
-ND10-ND16
TS 813 (TS ISO7005-1)
 
BORU
(Pipe)
FLANS
(Flange)
BOYUN
(Neck)
ALINCIKINTISI
(Raised face)
CIVATALAR
(Bolts)
FLANSAGIRLIGI
(Flange weight)
(7.85kg/dm)
kg
DN d, Boru Vidasi
(Whitwort)
D b K h q d. f Sayisi
Each
Vida
Screw
d2
6 10.2 R1/8" 75 12 50 18 20 32 2 4 M10 11 0.326
8 13.5 R1/4" 80 12 55 18 25 38 2 4 M10 11 0.380
10 17.2 R3/8" 90 14 60 20 30 40 2 4 M12 14 0.544
15 21.3 R1/2" 95 14 65 20 35 45 2 4 M12 14 0.613
20 26.9 R3/4" 105 16 75 24 45 58 2 4 M12 14 0.910
25 33.7 R1" 115 16 85 24 52 68 2 4 M12 14 1.10
32 42.4 R11/4" 140 16 100 26 60 78 2 4 M16 18 1.60
40 48.3 R11/2" 150 16 110 26 70 88 3 4 M16 18 1.78
50 60.3 R2 165 18 125 28 85 102 3 4 M16 18 2.43
65 76.1 R21/2 185 18 145 32 105 122 3 4 M16 18 3.18
80 88.9 R3° 200 20 160 34 118 138 3 4/8 M16 18 4.12
100 114.3 R4* 220 20 180 38 140 158 3 8 M16 18 4.47
125 139.7 R5* 250 22 210 40 168 188 3 8 M16 18 6.13
150 168.7 R6* 285 22 240 44 196 212 3 8 M20 22 7.92
 
*Siparse gore galvanizli olarak imal edilebilir.

 


WELDING NECK FLANGES
Nominal Pressure:64kgf/cm²-ND64
DIN2636
FLANSLAR
BORULARICIN,BOYUNLARI KAYNAKLI
Anma Basincl:64kgf/cm2-ND64
TS 811/7    (TS ISO 7005-1)
 
BORE
(Pipe)
FLANS
(Flange)
BOYUN
(Neck)
ALIN CIKINTISI
(Raised face)
CLVATALAE
(Boits)
FLANS AGIRLIGI
(Flange Weight)
(7.85kg/d
)
kg
DN d1
ISO/DIN
D b k h1 d3 s r h2 d4 f Sayisi
(Each)
Vida
Screw
d2
10
40
17.2
48.3
Degerler DIN 2637(100kgf/c)*den alin malidir.
50 60.3 180 26 135 62 82 2.9 6 10 102 3 4 M20 22 4.55
65 76.1 205 26 160 68 98 3.2 6 12 122 3 8 M20 22 5.73
80 88.9 215 28 170 72 112 3.6 8 12 138 3 8 M20 22 6.69
100 114.3 250 30 200 78 138 4.0 8 12 162 3 8 M24 26 9.66
125 139.7 295 34 240 88 168 4.5 8 12 188 3 8 M27 30 15.1
150 168.3 345 36 280 95 202 5.6 10 12 218 3 8 M30 33 21.9
175 193.7 375 40 310 105 228 6.3 10 16 260 3 12 M30 33 23.7
200 219.1 415 42 345 110 256 7.1 10 16 285 3 12 M33 36 34.9
250 273 470 46 400 125 316 8.8 12 18 345 3 12 M33 36 49.6
300 323.9 530 52 460 140 372 11 12 18 410 4 16 M33 36 68.7
350 355.6 600 56 525 150 420 12.5 12 20 465 4 16 M36 39 94.6
400 406.4 670 60 585 160 475 14.2 12 20 535 4 16 M39 42 124

 

WELDING NECK FLANGES
Nominal Pressure:100kgf/cm?-ND100
DIN2637
FLANSLAR
BORULAR ICIN, BOYUNLARI KAYNAKLI
Anm Basincl:100kgf/cm²-DN100
TS 811/8(TS ISO 7005-1)
 
BORE
(Pipe)
FLANS
(Flange)
BOYUN
(Neck)
ALIN CIKINTISI
(Raised face)
CLVATALAE
(Bolts)
FLANS AGIRLIGI
(Flange Weight)
(7.85kg/d
)
kg
DN d1
ISO/DIN
D b k h1 d3 s r h2 d4 f Sayisi
(Each)
Vida
Screw
d2
10 17.2 100 20 70 45 32 1.8 4 6 40 2 4 M12 14 1.09
15 21.3 105 20 75 45 34 2.0 4 6 45 2 4 M12 14 1.19
25 33.7 140 24 100 58 52 2.6 4 8 68 2 4 M16 18 2.66
40 48.3 170 26 125 62 70 2.9 6 10 88 3 4 M20 22 4.09
50 60.3 195 28 145 68 90 3.2 6 10 102 3 4 M24 26 5.98
65 76.1 220 30 170 76 108 3.6 6 12 122 3 8 M24 26 7.91
80 88.9 230 32 180 78 120 4.0 8 12 138 3 8 M24 26 8.95
100 114.3 265 36 210 90 150 5.0 8 12 162 3 8 M27 30 13.7
125 139.7 315 40 250 105 180 6.3 8 12 188 3 8 M30 33 22.7
150 168.3 355 44 290 115 210 7.1 10 12 218 3 12 M30 33 30.2
175 193.7 385 48 320 127 245 8.8 10 16 260 3 12 M30 33 38.9
200 219.1 430 52 360 130 278 10.0 10 16 285 3 12 M33 36 52.8
250 273 505 60 430 157 340 12.5 12 18 345 3 12 M36 39 81.4
300 323.9 585 68 500 170 400 14.2 12 18 410 4 16 M39 42 122
350 355.6 655 74 560 189 460 16.0 12 20 465 4 16 M45 48 165

 

LAPPED FALNGES WITH COLLAR
Nominal Pressure:10kgf/cm²-ND10
DIN 2642
FLANGES
BORULARICIN,DESTEKLIGEVSEK
Anma Basinc1:10kgf/cm²-ND10
TS 814/2 (TS ISO 7005-1)
 
BORU
(Pipe)
FLANS
(Flange)
CIVATALAR
(Bolts)
DESTEK
(Beam)
AGIRLIK(Weight)
7.85kg/dm3
DN d1 D d5 b x Sayisi
(Each)
Vida
(Screw)
d2 d3 d4 h1 Flans
(flange)kg
Destek
(Beam)kg
10 14 90 16 14 60 4 M12 14 17.7 40 10 0.599 0.087
17.2 19
15 20 95 22 14 65 4 M12 14 22 45 10 0.689 0.105
21.3 24
20 25 105 28 14 75 4 M12 14 27.6 58 12 0.806 0.203
26.9 30
25 30 115 33 16 85 4 M12 14 34.4 68 12 1.11 0.276
33.7 36
32 38 140 42 16 100 4 M16 18 43.1 78 12 1.64 0.343
42.4 46
40 44.5 150 50 16 110 4 M16 18 49 88 12 1.86 0.426
48.3 54
50 57 165 62 16 125 4 M16 18 61.1 102 14 2.20 0.618
60.3 65
65 76.1 185 81 16 145 4 M16 18 77.1 122 14 2.62 0.786
80 88.9 200 94 18 160 4/8 M16 18 90.3 138 16 3.32 1.10
100 108 220 113 18 180 8 M16 18 115.9 158 16 3.67 1.31
114.3 119
125 133 250 138 18 210 8 M16 18 141.6 188 18 4.54 1.96
139.7 145
150 168.3 285 173 18 240 8 M20 22 170.5 212 18 5.60 2.18
200 219.1 340 225 20 295 8 M20 22 221.8 268 20 7.46 3.10
250 273 395 279 22 350 12 M20 22 276.2 320 22 10.3 4.22
300 323.9 445 329 26 400 12 M20 22 327.6 370 22 14.0 4.85
350 355.6 505 362 28 460 16 M20 22 372.2 430 22 18.5 6.71
400 406.4 565 413 32 515 16 M24 26 423.7 482 24 25.0 8.28
(450) 457 615 467 38 565 20 M24 26 462.5 532 24 30.6 9.3
500 508 670 517 38 620 20 M24 26 513.6 585 26 37.0 11.5
600 610 780 618 44 725 20 M27 30 616.3 685 26 56.3 15.6
700 711 895 721 50 840 24 M27 30 718.6 800 28 80.4 23.2
800 813 1015 824 56 950 24 M30 33 821.5 905 30 113.2 29.2
 
                           
                           
                           
                           
                           
                           
                           
                           
                           
                           
                           
                           
                           
                           
                           
                           
                           
                           
                           
                           
                           
                           
LAPPED FALNGES WITH COLLAR FLANGES
Nominal Pressure :40kgf/c
-ND40 BORULARICIN,DESTEKLI GEVSEK
DIN 2656 Anma Basinc1:40kgf/c
-ND40
TS 814/5 (TS ISO 7005-1)

 

LAPPED FALNGES WITH COLLAR
Nominal Pressure:25kgf/cm²-ND25
DIN 2655
FLANGES
BORULARICIN,DESTEKLIGEVSEK
Anma Basinc1:25kgf/cm²-ND25
TS 814/4 (TS ISO 7005-1)
 
BORU
(Pipe)
FLANS
(Flange)
CIVATALAR
(Bolts)
DESTEK
(Beam)
AGIRLIK(Weight)
7.85kg/dm3
DN d1 D d5 b k Sayisi
(Each)
Vida
(Screw)
d2 d3 d4 h1 Flans
(flange)
kg
Destok
(Beam)
kg
10
150
17.2
168.3
Degerler DIN 2656(40 kgf/cm²)den alinmalidir
200 219.1 360 225 26 310 12 M24 26 221.8 278 24 11.7 4.53
250 273 425 279 30 370 12 M27 30 276.2 335 26 17.9 6.56
300 323.9 485 329 34 430 16 M27 30 327.6 395 28 24.7 8.80
350 355.6 555 362 38 490 16 M30 33 372.2 450 32 35.6 13.2
400 406.4 620 413 42 550 16 M33 36 423.7 505 34 47.5 16.5
500 508 730 517 50 660 20 M33 36 513.6 615 38 71.1 25.3

 

LAPPED FALNGES WITH COLLAR
Nominal Pressure:40kgf/cm²-ND25
DIN 2656
FLANGES
BORULARICIN,DESTEKLIGEVSEK
Anma Basinc1:40kgf/cm²-ND25
TS 814/4 (TS ISO 7005-1)
 
BORU
(Pipe)
FLANS
(Flange)
CIVATALAR
(Bolts)
DESTEK
(Beam)
AGIRLIK(Weight)
7.85kg/dm3
DN d1 D d5 b k Sayisi
(Each)
Vida
(Screw)
d2 d3 d4 h1 Flans
(flange)
kg
Destok
(Beam)
kg
10 17.2 90 19 16 60 4 M12 14 17.7 40 12 0.696 0.104
15 21.3 95 24 16 65 4 M12 14 22 45 12 0.773 0.126
20 26.9 105 30 16 75 4 M12 14 27.6 58 14 0.934 0.236
25 33.7 115 36 18 85 4 M12 14 34.4 68 14 1.26 0.321
32 42.4 140 46 18 100 4 M16 18 43.1 78 14 1.85 0.401
40 48.3 150 54 18 110 4 M16 18 49 83 14 2.10 0.498
50 60.3 165 65 20 125 4 M16 18 61.1 102 16 2.75 0.706
65 76.1 185 81 20 145 8 M16 18 77.1 122 16 3.11 0.898
80 88.9 200 94 22 160 8 M16 18 90.3 138 18 3.88 1.23
100 114.3 235 119 22 190 8 M20 22 115.9 162 20 5.23 1.80
125 139.7 270 145 24 220 8 M24 26 141.6 188 22 7.23 2.40
150 168.3 300 173 24 250 8 M24 26 170.5 218 22 8.60 3.02
200 219.1 375 225 30 320 12 M27 30 221.8 285 26 15.2 5.54
250 273 450 279 36 385 12 M30 33 276.2 345 30 25.7 8.83
300 323.9 515 329 40 450 16 M30 33 327.6 410 34 33.5 14.0
350 355.6 580 362 46 510 16 M33 36 372.2 465 38 50.2 18.9
400 406.4 660 413 50 585 16 M36 39 423.7 535 42 71.2 28.4

 

UUTISET KESKUS

  • Apr . 29, 2025
    What Are ANSI B16.5 Welding Neck Flanges?
    In the intricate world of industrial piping, where precision and reliability are non-negotiable, ANSI B16.5 welding neck flanges stand as a testament to engineering excellence.
    What Are ANSI B16.5 Welding Neck Flanges?
  • Apr . 29, 2025
    Long Radius vs. Short Radius Butt Weld Elbows: How to Choose the Right Type
    In industrial piping systems, the selection of butt weld elbows plays a critical role in ensuring efficient fluid flow, minimizing pressure drop, and maintaining structural integrity.
    Long Radius vs. Short Radius Butt Weld Elbows: How to Choose the Right Type
  • 31
  • admin@ylsteelfittings.com
  • 11
Olet valinnut 0 Tuotteet

Jos olet kiinnostunut tuotteistamme, voit jättää tietosi tähän, niin otamme sinuun pian yhteyttä.