Stainless Steel Flange Sizes
The dimensions of stainless steel flanges may vary depending on their intended use, the size of the pipelines, and connection requirements. However, in general, the standard dimensions of stainless steel flanges are as follows:
1. Nominal Pipe Size (NPS)
The dimensions of stainless steel flanges are determined using a system known as nominal pipe size (NPS). NPS corresponds to the outer diameter of the pipe and is expressed in inches.
2. Flange Diameter
The outer diameter of the flange is determined to match the outer diameter of the pipe. It typically conforms to standard sizes specified by ANSI/ASME B16.5 or other international standards.
3. Flange Thickness
The thickness of a flange is generally determined based on the pressure class and application requirements. Thicker flanges are preferred for applications that require higher pressure.
4. Number and Diameter of Holes
The flange is equipped with holes for mounting to a pipeline. The number and diameter of these holes vary depending on the flange’s size and pressure class.
5. Bolt Holes
Flanges are typically connected to a pipeline using bolts and nuts. For this reason, the bolt holes on the flange are designed so that the appropriate bolts and nuts can be inserted and tightened.
The dimensions of stainless steel flanges may vary depending on the requirements of a specific application and the standards to be followed. Therefore, the dimensions and specifications of the flanges to be used in a particular project should be determined by the project engineers or designers.
Stainless Steel Flange Size Standards
- Stainless steel flanges are typically manufactured in accordance with standards set by organizations such as ANSI (American National Standards Institute) and DIN (Deutsches Institut für Normung—German Institute for Standardization). Here are the commonly used stainless steel flange size standards:
- ANSI/ASME B16.5: This standard defines the dimensions, tolerances, and pressure classes of steel pipe flanges. It is also used for stainless steel flanges and covers a wide range of sizes.
- ANSI/ASME B16.47 Series A and Series B: This ANSI standard specifies the dimensions and pressure classes of large-diameter industrial flanges. It also applies to stainless steel flanges.
- DIN EN 1092-1: This standard specifies the dimensions and pressure classes for flanges used in Europe. It covers various dimensions for stainless steel flanges.
- JIS B2220: This Japanese standard defines the dimensions and pressure classes of steel pipe flanges. It is also used for stainless steel flanges.
These standards specify different dimensions and tolerances for various types of flanges. Depending on the type of flange you need, you can review the relevant standards or consult an Özimeks representative for detailed information.
Stainless Steel Flange Specifications
- Corrosion Resistance: Stainless steel flanges are manufactured from stainless steel, which is resistant to corrosion. This property ensures they last a long time, especially when exposed to water or chemicals.
- High Durability: Stainless steel has high strength and durability. This property ensures reliable performance under various operating conditions.
- Wide Temperature Range: Stainless steel flanges can be used across a wide temperature range. This feature allows them to be used in different industrial environments and applications.
- Various Connection Options: Stainless steel flanges can be connected to pipelines or equipment via welding, bolted connections, or other mounting methods. This provides flexibility to meet different installation requirements.
- Various Pressure Classes and Sizes: Stainless steel flanges are available in different pressure classes and various sizes. This offers options suitable for a wide range of industrial applications.
- Compliance with High Engineering Standards: Stainless steel flanges are typically manufactured in accordance with international engineering standards. This ensures their reliability and compatibility.
- Chemical Resistance: Stainless steel is resistant to chemicals. This property provides an advantage when used in chemical processes and industrial environments.
These properties of stainless steel flanges make them a preferred component in many different industrial applications.
| DN | Boru ISO | d1 ISO | D | a | m | ISO | c | h | b** | h1 | e | r | s | f | BOLTS | N HOLES | kg |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 10 | 17,2 | 18 | 90 | 60 | 28 | 40 | 35 | 16 | 6 | 2 | 4 | 1,8 | 14 | M12 | 4 | 0,5 |
| 15 | 21,3 | 22,5 | 95 | 65 | 32 | 45 | 38 | 16 | 6 | 2 | 4 | 2 | 14 | M12 | 4 | 1 |
| 20 | 26,9 | 28 | 105 | 75 | 40 | 58 | 40 | 18 | 6 | 2 | 4 | 2,3 | 14 | M12 | 4 | 1 |
| 25 | 33,7 | 34,5 | 115 | 85 | 45 | 68 | 40 | 18 | 6 | 2 | 4 | 2,6 | 14 | M12 | 4 | 1 |
| 32 | 42,4 | 43,5 | 140 | 100 | 56 | 78 | 42 | 18 | 6 | 2 | 6 | 2,6 | 18 | M16 | 4 | 2 |
| 40 | 48,3 | 49,5 | 150 | 110 | 64 | 88 | 45 | 18 | 7 | 3 | 6 | 2,6 | 18 | M16 | 4 | 2 |
| 50 | 60,3 | 61,5 | 165 | 125 | 75 | 102 | 45 | 18 | 8 | 3 | 6 | 2,9 | 18 | M16 | 4 | 3 |
| 65 | 76,1 | 77 | 185 | 145 | 92 | 122 | 45 | 18 | 10 | 3 | 6 | 2,9 | 18 | M16 | 8 | 3 |
| 80 | 88,9 | 90 | 200 | 160 | 105 | 138 | 50 | 20 | 10 | 3 | 8 | 3,2 | 18 | M16 | 8 | 4 |
| 100 | 114,3 | 115,5 | 220 | 180 | 131 | 158 | 52 | 20 | 12 | 3 | 8 | 3,6 | 18 | M16 | 8 | 4,5 |
| 125 | 139,7 | 141 | 250 | 210 | 156 | 188 | 55 | 22 | 12 | 3 | 8 | 4 | 18 | M16 | 8 | 6,5 |
| 150 | 168,3 | 170,5 | 285 | 240 | 184 | 212 | 55 | 22 | 12 | 3 | 10 | 4,5 | 22 | M20 | 8 | 7,5 |
| 200 | 219,1 | 221 | 340 | 295 | 235 | 268 | 62 | 24 | 16 | 3 | 10 | 6,3 | 22 | M20 | 12 | 11 |
| 250 | 273 | 275 | 405 | 355 | 292 | 320 | 70 | 26 | 16 | 3 | 12 | 6,3 | 26 | M24 | 12 | 16,5 |
| 300 | 323,9 | 326 | 460 | 410 | 344 | 378 | 78 | 28 | 16 | 4 | 12 | 7,1 | 26 | M24 | 12 | 22 |
| 350 | 355,6 | 357,5 | 520 | 470 | 390 | 438 | 82 | 30 | 16 | 4 | 12 | 8 | 26 | M24 | 16 | 32 |
| 400 | 406,4 | 408,5 | 580 | 525 | 445 | 490 | 85 | 32 | 16 | 4 | 12 | 8 | 30 | M27 | 16 | 40 |
| 450 | 457,2 | 459 | 640 | 585 | 490 | 550 | 87 | 40 | 16 | 4 | 12 | 8 | 30 | M27 | 20 | 54,5 |
| 500 | 508 | 510 | 715 | 650 | 548 | 610 | 90 | 44 | 16 | 4 | 12 | 8 | 33 | M30 | 20 | 74 |
| 600 | 609,6 | 611,5 | 840 | 770 | 652 | 725 | 95 | 54 | 18 | 5 | 12 | 8 | 36 | M33 | 20 | 116,5 |
| 700 | 711,3 | 715 | 910 | 840 | 755 | 795 | 100 | 36 | 18 | 5 | 12 | 8 | 36 | M33 | 24 | 87 |
| 800 | 812,8 | 817 | 1025 | 950 | 855 | 900 | 105 | 38 | 20 | 5 | 12 | 10 | 39 | M36 | 24 | 111 |
| 900 | 914,4 | 918 | 1125 | 1050 | 955 | 1000 | 110 | 40 | 20 | 5 | 12 | 10 | 39 | M36 | 28 | 129 |
| 1000 | 1016 | 1020 | 1255 | 1170 | 1058 | 1115 | 120 | 42 | 22 | 5 | 16 | 10 | 42 | M39 | 28 | 169 |
| 1200 | 1220 | 1224 | 1485 | 1390 | 1262 | 1330 | 130 | 48 | 30 | 5 | 16 | 12,5 | 48 | M45 | 32 | 251 |
| 1400 | 1420 | 1424 | 1685 | 1590 | 1465 | 1530 | 145 | 52 | 30 | 5 | 16 | 14,2 | 48 | M45 | 36 | 329 |
| 1600 | 1620 | 1624 | 1930 | 1820 | 1668 | 1750 | 160 | 58 | 35 | 5 | 16 | 16 | 56 | M52 | 40 | 476 |
| 1800 | 1820 | 1824 | 2130 | 2020 | 1870 | 1950 | 170 | 62 | 35 | 5 | 16 | 17,5 | 56 | M52 | 44 | 582 |
| 2000 | 2020 | 2024 | 2345 | 2230 | 2072 | 2150 | 180 | 66 | 40 | 5 | 16 | 20 | 62 | M56 | 48 | 720 |
Özimeks Stainless Steel Flange Products
Today, industrial facilities, engineering projects, and pipelines require robust and reliable components. Stainless steel flanges play a crucial role in this regard. To meet this exact need, Özimeks has established a solid position in the industry with its high-quality stainless steel flange products.
Özimeks is a trusted partner for stainless steel flanges. With our stainless steel flange products—which feature exceptional quality, a wide product range, engineering expertise, and fast delivery—we provide our customers with the best solutions. To maintain our leadership in the industry, we continue to move forward with innovative approaches and investments. By partnering with Özimeks, you can confidently complete your projects and achieve success.
