Pipe Puddle Flange

Pipe Puddle Flange

In modern construction, protecting structures from water ingress is a top priority. When pipes penetrate concrete surfaces such as walls, floors, or foundations, an effective sealing mechanism becomes critical. This is where the pipe puddle flange plays a pivotal role. By forming a secure barrier between the pipe and surrounding concrete, it ensures long-term waterproofing performance.

Mesta Inc., a globally trusted name in pipe accessories, offers premium-quality products to clients across India, Kazakhstan, UAE, Saudi Arabia, and Uzbekistan. Whether the project involves residential housing or industrial infrastructure, the right flange can make all the difference in durability and safety.

Pipe puddle flange

Puddle Flange specification

Size Connect Type Production technique
1/2″ to 48″ Flat Face / Raised Face / RTJ Forged / Heat treated / machined
Coating Pressure Rating Equipment
  • Zinc Plated
  • Oil Black Paint
  • Anti-rust Paint
Class 150 to Class 2500
  • Press machine
  • Bending machine
  • Pushing Machine

Stainless steel puddle flange weight chart

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

Carbon steel puddle flange pressure rating

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

Understanding the Role 

A pipe puddle flange is a specially designed ring or collar fitted tightly around a pipe before it is cast into concrete. Its primary function is to stop water from leaking along the exterior of the pipe. The flange creates a physical obstruction that water cannot bypass, even under high pressure or varying temperatures.

In most cases, the flange is fixed on the pipe using adhesives, welding, or mechanical fittings. Once placed, it is cast into the concrete, forming a continuous bond. This technique ensures maximum sealing, especially in areas where water intrusion can cause severe structural damage.

Key Features and Applications

These products from Mesta Inc. are engineered to offer superior performance in multiple environments. Their durability and chemical resistance make them ideal for high-moisture regions like India and UAE, as well as colder climates such as Kazakhstan.

Applications:

  • Underground water tanks

  • Sewage and stormwater systems

  • Foundation walls

  • Tunnels and shafts

  • Industrial plants and basements

The flanges are available in a variety of materials including PVC, HDPE, stainless steel, and rubber-coated metal, depending on the site-specific requirements.

Why Choose Mesta Inc.?

Mesta Inc. has earned the trust of engineers, contractors, and infrastructure developers globally. With operations in Saudi Arabia, Uzbekistan, and other strategic locations, the company supports large-scale projects by delivering reliable, high-grade products.

What makes Mesta Inc. stand out?

  • Wide Size Range – From 50mm to 800mm, meeting every pipe size need

  • Custom Fabrication – Tailored solutions based on project specifications

  • Corrosion Resistance – Designed to perform even in highly aggressive environments

  • Fast Delivery – Logistics hubs across India and UAE reduce delivery time

  • Technical Support – Expert guidance for selecting and installing the correct flange

This commitment to excellence ensures each installation performs flawlessly from day one.

How to Install 

Correct installation is crucial to the success of any waterproofing system. Though the process may vary slightly based on flange design, the following general steps are usually followed:

  1. Clean the Pipe Surface
    Any debris, oil, or irregularities must be removed to allow tight bonding.

  2. Position the Flange
    The flange is placed at the section of the pipe that will be encased in concrete. It should be centered properly.

  3. Seal the Flange
    Depending on the material, adhesives, clamps, or welding may be used to secure the flange.

  4. Pour the Concrete
    With the flange in position, the concrete is carefully cast around it. Vibration may be used to eliminate voids.

  5. Inspection
    After curing, the area should be checked for leaks or displacement to ensure effectiveness.

These practices are followed not only across Kazakhstan and India but also in UAE and Saudi Arabia, where engineering standards are exceptionally high.

Factors to Consider When Selecting a Pipe Puddle Flange

Choosing the correct flange for your project involves evaluating several parameters. Not all flanges perform equally under different environmental conditions, so making the right selection is key.

Key factors include:

  • Pipe Material – PVC, HDPE, GI, and steel pipes all require compatible flange types.

  • Water Pressure Levels – High-rise buildings or deep foundations demand flanges tested for high pressure.

  • Chemical Exposure – Industrial sites may need corrosion-proof options.

  • Temperature Fluctuations – Cold climates like Uzbekistan need flanges resistant to contraction and expansion.

At Mesta Inc., our experts provide personalized recommendations to help customers across regions select the best product based on their unique needs.

Maintenance and Durability

While puddle flanges are generally low maintenance, periodic inspection is beneficial for long-term performance. Over time, minor shifts in the concrete or external loads may cause stress around the flange area. However, flanges provided by Mesta Inc. are engineered to withstand such challenges effortlessly.

Routine visual checks and water pressure testing during regular building inspections ensure that early signs of failure are addressed. This proactive approach has proven particularly effective in countries like Saudi Arabia, where high groundwater tables demand consistent waterproofing.

Advantages of Choosing Pipe Puddle Flange Solutions from Mesta Inc.

Clients choose Mesta Inc. not only for product quality but also for service excellence. Our product systems offer:

  • Leak-Free Sealing – Prevents costly damage and repairs

  • Environment-Specific Designs – Customizable based on humidity, soil type, and pressure

  • Quick Installation – Saves time and labor costs on site

  • Compliance with International Standards – Ensures confidence in every purchase

These features collectively contribute to greater safety, efficiency, and longevity in construction projects, especially in regions like India, Kazakhstan, and UAE, where water protection is often a major concern.

By selecting a trusted supplier like Mesta Inc., engineers and contractors gain a significant advantage in executing flawless waterproofing solutions. Whether the project is in Uzbekistan’s commercial zones or Saudi Arabia’s oil infrastructure, our pipe puddle flange systems provide peace of mind and excellent performance under all conditions.

Get in Touch

Phone Number

+91 22 2386 0222 / +91 22 2386 0223
+91 22 67492118 / +91 22 6636 2118
+919820007728
+919867899897
+919819546861

Email

sales@mestainc.com
nms@mestainc.com
export@mestainc.net

Registered office

Ground Floor, Shop No.2, Rangawala bldg., 58 Islampura Street, Near Alankar Cinema, Mumbai-400 004, India

Factory address

Plot No L 85, MIDC Taloja Industrial Area, Dist.Raigad, Navi Mumbai-410 208, India

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