In modern infrastructure and high-performance fluid systems, selecting the right material for waterproof sealing is critical. The DIN 1.4462 puddle flange offers exceptional durability and resistance to corrosion and pressure.
Engineered for demanding environments, it provides reliable sealing where pipes pass through concrete structures. As a result, it ensures long-term performance and structural integrity in both industrial and civil applications.
Mesta Inc., a globally recognized leader in industrial piping solutions, supplies premium DIN 1.4462 puddle flanges across India, Kazakhstan, UAE, Saudi Arabia, and Uzbekistan. With strict adherence to international standards and precision manufacturing, the company delivers dependable solutions for challenging projects.
| Size | 1/2" to 48" |
|---|---|
| Connect Type | Flat Face / Raised Face / RTJ |
| Production Technique | Forged / Heat Treated / Machined |
| Coating |
|
| Pressure Rating | Class 150 to Class 2500 |
| Equipment |
|
1/2" to 48"
Flat Face / Raised Face / RTJ
Forged / Heat Treated / Machined
Class 150 to Class 2500
| O D |
NPS | Sch 10 |
Sch 30 |
Sch 20 |
Sth. Wall |
Sch 60 |
Sch 120 |
Extra Strong |
Sch 40 |
Sch 160 |
Sch 80 |
Sch 100 |
Sch 140 |
Double Extra Strong |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.840 | 1/2” | 0.674 | 0.622 | 0.546 | 0.622 | 0.464 | 0.546 | 0.252 | ||||||
| 1.050 | 3/4” | 0.884 | 0.824 | 0.742 | 0.824 | 0.612 | 0.742 | 0.434 | ||||||
| 1.315 | 1” | 1.097 | 1.049 | 0.957 | 1.049 | 0.815 | 0.957 | 0.599 | ||||||
| 1.660 | 1.1/4” | 1.442 | 1.380 | 1.278 | 1.380 | 1.160 | 1.278 | 0.896 | ||||||
| 1.900 | 1.1/2” | 1.682 | 1.610 | 1.500 | 1.610 | 1.338 | 1.500 | 1.100 | ||||||
| 2.375 | 2” | 2.157 | 2.067 | 1.939 | 2.067 | 1.687 | 1.939 | 1.503 | ||||||
| 2.875 | 2.1/2” | 2.635 | 2.469 | 2.323 | 2.469 | 2.125 | 2.323 | 1.771 | ||||||
| 3.500 | 3” | 3.260 | 3.068 | 2.900 | 3.068 | 2.624 | 2.900 | 2.300 | ||||||
| 4.000 | 3-1/2” | 3.760 | 3.548 | 3.364 | 3.548 | 3.364 | 2.728 | |||||||
| 4.500 | 4” | 4.260 | 4.026 | 3.624 | 3.826 | 4.026 | 3.438 | 3.826 | 3.152 | |||||
| 5.563 | 5” | 5.295 | 5.047 | 4.563 | 4.813 | 5.047 | 4.313 | 4.813 | 4.063 | |||||
| 6.625 | 6” | 6.357 | 6.065 | 5.501 | 5.761 | 6.065 | 5.187 | 5.761 | 4.897 | |||||
| 8.625 | 8” | 8.329 | 8.071 | 8.125 | 7.981 | 7.813 | 7.187 | 7.625 | 7.981 | 6.813 | 7.625 | 7.437 | 7.001 | 6.875 |
| 10.750 | 10” | 10.420 | 10.136 | 10.250 | 10.020 | 9.750 | 9.062 | 9.750 | 10.020 | 8.500 | 9.562 | 9.312 | 8.750 | 8.750 |
| 12.750 | 12” | 12.390 | 12.090 | 12.250 | 12.000 | 11.626 | 10.750 | 11.750 | 11.938 | 10.126 | 11.374 | 11.062 | 10.500 | 10.750 |
| 42.000 | 42” | 41.250 | 41.000 |
| Temperature (°C) |
Class | ||||||
|---|---|---|---|---|---|---|---|
| Class 600 | Class 300 | Class 150 | Class 900 | Class 400 | Class 2500 | Class 1500 | |
| -29 - 38 | 103.4 | 51.7 | 19.8 | 155 | 68.9 | 431 | 259 |
| 50 | 103.4 | 51.7 | 19.5 | 155 | 68.9 | 431 | 259 |
| 100 | 103.0 | 51.5 | 17.7 | 155 | 68.7 | 429 | 258 |
| 150 | 100.3 | 50.2 | 15.8 | 151 | 66.8 | 418 | 251 |
| 200 | 97.2 | 48.6 | 13.8 | 146 | 64.8 | 405 | 243 |
| 250 | 92.7 | 46.3 | 12.1 | 139 | 61.7 | 386 | 232 |
| 300 | 85.7 | 42.9 | 10.2 | 129 | 57.0 | 357 | 214 |
| 325 | 82.6 | 41.4 | 9.3 | 124 | 55.0 | 344 | 207 |
| 350 | 80.0 | 40.0 | 8.4 | 120 | 53.4 | 334 | 200 |
| 375 | 75.7 | 37.8 | 7.4 | 114 | 50.4 | 315 | 189 |
| 400 | 69.4 | 34.7 | 6.5 | 104 | 46.3 | 290 | 174 |
| 425 | 57.5 | 28.8 | 5.5 | 86.3 | 38.4 | 240 | 144 |
| 450 | 46.0 | 23.0 | 4.6 | 69.0 | 30.7 | 192 | 115 |
| 475 | 34.2 | 17.1 | 3.7 | 51.3 | 22.8 | 142 | 85.4 |
| 500 | 23.2 | 11.6 | 2.8 | 34.7 | 15.4 | 96.5 | 57.9 |
| 538 | 11.8 | 5.9 | 1.4 | 17.7 | 7.9 | 49.2 | 29.5 |
DIN 1.4462 refers to a duplex stainless steel grade known for its exceptional strength, chloride resistance, and longer service life. It is a combination of austenitic and ferritic structures, making it twice as strong as standard stainless steel. Therefore, it’s ideal for aggressive environments such as seawater exposure, chemical zones, and groundwater pressure systems.
This unique alloy composition ensures excellent resistance to:
For this reason, Puddle Flange DIN 1.4462 products are increasingly preferred in infrastructure and underground utilities in Saudi Arabia, UAE, and Kazakhstan, where climate and soil compositions demand robust materials.
While many regions require basic waterproofing, certain projects in Uzbekistan, India, and the UAE demand specialized solutions. Puddle flanges made from DIN 1.4462 are often installed in:
Moreover, due to its high-pressure resistance and minimal maintenance needs, this flange type is ideal for remote projects, where repair access is limited or extremely costly.
When quality is non-negotiable, Mesta Inc. offers unmatched reliability in the field. The company not only ensures DIN-certified precision in every flange but also provides personalized engineering support to suit diverse climate zones.
Contractors and engineers in Kazakhstan, India, and Saudi Arabia benefit from:
Additionally, long-term customer support ensures reduced risk during large-scale installations or when integrating with mixed piping materials like PVC, HDPE, or GI.
To understand its superiority, let’s highlight the specific characteristics that make this flange a reliable investment:
Thus, it is evident why these flanges are being increasingly adopted in UAE, Uzbekistan, and other infrastructure-focused regions.
Every Puddle Flange DIN 1.4462 offered by Mesta Inc. is manufactured according to strict international norms. This includes compliance with:
Furthermore, Mesta Inc. conducts hydrostatic testing, third-party inspection, and mill certification to ensure 100% reliability and traceability for each product delivered.
While these flanges are built to withstand harsh environments, correct installation remains essential for achieving optimal performance. Below is a simplified guide used widely by Mesta Inc.'s clients in India, Kazakhstan, and UAE:
Correct execution at each stage guarantees long-term waterproofing, especially in regions like Saudi Arabia, where underground water pressure is a common concern.
Regions such as Kazakhstan and Uzbekistan experience extreme weather changes, including freeze-thaw cycles and variable groundwater levels. These fluctuations can compromise the integrity of conventional materials. However, duplex stainless steel flanges are designed to adapt to thermal stresses, maintain strength, and resist cracking.
Additionally, in India and UAE, where high humidity and salinity levels prevail, these flanges continue to perform without corrosion or wear. Choosing Mesta Inc.'s flanges means fewer replacements, lower lifetime costs, and better safety.
One of the standout benefits of Puddle Flange DIN 1.4462 is its near-zero maintenance. The material’s structure naturally resists bio-fouling, scaling, and corrosion, even after years of submersion. This is particularly advantageous in municipal water systems and industrial zones found in Saudi Arabia and UAE.
In addition, Mesta Inc. supplies detailed maintenance protocols for large utility networks, ensuring that even the most complex installations remain functional and leak-free for decades.
The global demand for high-durability, corrosion-resistant flanges has rapidly increased, especially in fast-developing nations like Uzbekistan, India, and Kazakhstan. As infrastructure investments surge, so does the need for quality components that withstand time, pressure, and harsh environmental conditions.
Mesta Inc. stands at the forefront of this transformation. By offering DIN 1.4462 puddle flanges backed by expert support and global delivery networks, the company empowers engineers and contractors to complete waterproofing tasks with confidence and precision. Ultimately, the result is stronger infrastructure, fewer maintenance cycles, and better water management—across continents and generations.
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