Stainless steel plate flanges are a critical component for many industrial applications. These flanges are used to form a welded joint between pipes and valves, allowing fluids to pass through without any leaks. But there’s more to stainless steel plate flanges than meets the surface. Let’s take a closer look at what they are, why they’re essential, and some of their different uses.
What is Stainless Plate Flange?
Stainless Plate Flanges are essential resources in industrial settings. They effectively connect two pipes, ensuring a robust and leak-free joint. These flanges are durable and cost-effective and made from corrosion-resistant materials like stainless steel or nickel alloy. Whether managing liquid or gas pipelines, stainless plate flanges provide a dependable seal resistant to external wear and tear. Their increasing popularity is due to their affordability and versatility across different industrial sectors.
Stainless Plate Flanges Uses
Stainless steel plate flanges come in different types, each serving its specific purpose. Slip-on flanges are widely used because they’re easy to install and need minimal welding. They can be quickly installed without Uninstalling the entire pipe system. Socket weld flanges suit high-pressure systems that require tight seals and don’t need frequent maintenance. Blind flanges shield against external hazards like dust while allowing access to the pipe system. Lap joint flanges are often paired with other types to enhance protection against leaks or corrosion.
Stainless Plate Flange Welding
When it comes time to weld your stainless steel plate flange, following all safety protocols and using the appropriate equipment and materials for the job is essential. This includes welding goggles, fire retardant clothing, gloves, face shields, respirators, welding rods specific for stainless steel workpieces, and any other necessary tools or supplies recommended by your welding professional. Correct techniques are also essential; most manufacturers recommend using either TIG (Tungsten Inert Gas)or MIG (Metal Inert Gas) welding methods for optimal results when working with stainless steel plates and components.
Stainless Plate Flange Types
Stainless steel plate flanges come in two primary varieties: flat face and raised face flanges. Flat-face stainless steel plate flanges have a smooth surface that offers maximum resistance against corrosion, while raised-face ones have a slightly raised inner surface which helps create a better contact between joints or components when they’re being joined together during installation or repair work on a pipe system. Depending on your application requirements, both types are widely available in various sizes and materials, such as 304 or 316-grade stainless steels.
Stainless Plate Flange Dimension
| Bore | Common Dimension | Raised Face | Drilling | Approx. Weight (Kg) |
|||||||
| Nominal Bore | d1 | D | t | K | d4 | f | Number of Bolts | x | d2 | DIN 2543 | |
| 10 |
14
|
90 | 14 | 60 | 40 | 2 | 4 | M12 | (1/2″) | 14 | 0.63 |
|
17.2*
|
|||||||||||
| 15 |
20
|
95 | 14 | 65 | 45 | 2 | 4 | M12 | (1/2″) | 14 | 0.72 |
|
21.3*
|
|||||||||||
| 20 |
25
|
105 | 16 | 75 | 58 | 2 | 4 | M12 | (1/2″) | 14 | 1.01 |
|
26.9*
|
|||||||||||
| 25 |
30
|
115 | 16 | 85 | 68 | 2 | 4 | M12 | (1/2″) | 14 | 1.23 |
|
33.7*
|
|||||||||||
| 32 |
38
|
140 | 16 | 100 | 78 | 2 | 4 | M16 | (5/8″) | 18 | 1.80 |
|
42.4*
|
|||||||||||
| 40 |
44.5
|
150 | 16 | 110 | 88 | 3 | 4 | M16 | (5/8″) | 18 | 2.09 |
|
48.3*
|
|||||||||||
| 50 |
57
|
165 | 18 | 125 | 102 | 3 | 4 | M16 | (5/8″) | 18 | 2.88 |
|
60.3*
|
|||||||||||
| 65 |
76.1*
|
185 | 18 | 145 | 122 | 3 | 4 | M16 | (5/8″) | 18 | 3.66 |
| 80 |
88.9
|
200 | 20 | 160 | 138 | 3 | 8 | M16 | (5/8″) | 18 | 4.77 |
| 100 |
108
|
220 | 20 | 180 | 158 | 3 | 8 | M16 | (5/8″) | 18 | 5.65 |
|
114.3*
|
|||||||||||
| 125 |
133
|
250 | 22 | 210 | 188 | 3 | 8 | M16 | (5/8″) | 18 | 8.42 |
|
139.7*
|
|||||||||||
| 150 |
159
|
285 | 22 | 240 | 212 | 3 | 8 | M20 | (3/4″) | 23 | 10.4 |
|
168.3*
|
|||||||||||
| 200 |
216
|
340 | 24 | 295 | 268 | 3 | 12 | M20 | (3/4″) | 23 | 16.1 |
|
219.1*
|
|||||||||||
| 250 |
267
|
405 | 26 | 355 | 320 | 3 | 12 | M24 | (7/8″) | 27 | 24.9 |
|
273*
|
|||||||||||
| 300 |
318
|
460 | 28 | 410 | 378 | 4 | 12 | M24 | (7/8″) | 27 | 35.1 |
|
323.9*
|
|||||||||||
| 350 |
355.6*
|
520 | 30 | 470 | 438 | 4 | 16 | M24 | (7/8″) | 27 | 47.8 |
|
368
|
|||||||||||
| 400 |
406.4*
|
580 | 32 | 525 | 490 | 4 | 16 | M27 | (1″) | 30 | 63.5 |
|
419
|
|||||||||||
| 500 |
508*
|
715 | 36 | 650 | 610 | 4 | 20 | M30 | (1-1/8″) | 33 | 102.0 |
Conclusion
Stainless steel plate flanges are essential components in many industrial applications today because they form reliable welded joints between pipes and valves that won’t leak fluids or gases under pressure. When selecting which type of stainless steel plate flange is right for you, it’s essential to consider how frequently your pipe system will be disassembled for maintenance or repair work as well as any environmental factors that may impact its performance, such as temperature fluctuations or exposure to corrosive liquids or chemicals over time. With this knowledge in mind, you’ll be able to make an informed decision about which type of stainless plate flange best suits your specific needs when installing or repairing industrial piping systems!
A passionate metal industry expert and blogger. With over 5 years of experience in the field, Palak brings a wealth of knowledge and insight to her writing. Whether discussing the latest trends in the metal industry or sharing tips, she is dedicated to helping others succeed in the metal industry.
