Puddle Flange Connection

Puddle Flange Connection

In modern infrastructure, one critical aspect often underestimated is the water-tight sealing of pipes passing through concrete structures. A puddle flange connection offers an effective and long-term waterproofing solution in such cases. It prevents water from leaking around the pipe and compromising the structural integrity of buildings. Whether in residential construction or large industrial facilities, this simple yet powerful component plays a crucial role.

Mesta Inc., a leading manufacturer and supplier of premium pipe fittings, delivers top-quality puddle flange solutions across India, Kazakhstan, UAE, Saudi Arabia, and Uzbekistan. With strong technical expertise and years of experience, Mesta Inc. supports contractors and engineers in achieving leak-proof results even in the most challenging environments.

80mm 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

What Is a Puddle Flange and Why Is It Used?

A puddle flange is a ring-shaped device installed around a pipe before it is cast into concrete. Once embedded, it blocks any water from seeping through the space between the pipe and surrounding concrete. It ensures long-term waterproofing, especially in locations such as basements, water tanks, underground structures, or lift shafts.

Puddle flanges can be made from various materials such as GI (galvanized iron), stainless steel, or PVC. Each type has its own advantage depending on the region and usage. For instance, in humid regions like India and the UAE, corrosion resistance is a top priority, making galvanized or stainless options more popular.

Key Applications of Puddle Flange Connections in Construction

The puddle flange connection is used in a wide range of civil and industrial projects. These include:

  • Water treatment plants

  • Underground pipelines

  • Drainage and sewage systems

  • Retaining walls

  • Stormwater systems

In all these scenarios, leakage around the pipe can cause damage to concrete, corrosion to steel reinforcements, and eventually lead to costly repairs. Therefore, using a high-quality puddle flange ensures longevity and protects investments.

Mesta Inc. has supplied flanges for critical projects in Kazakhstan, Uzbekistan, and the UAE, proving their performance across climates.

Factors to Consider Before Installing a Puddle Flange

Although puddle flange installation is straightforward, several important factors should be considered:

  • Pipe Material – Compatibility is essential. For example, PVC puddle flanges are best used with PVC or HDPE pipes.

  • Concrete Type – Some concrete additives may affect bonding with the flange.

  • Soil Moisture Levels – High water tables, such as those found in Saudi Arabia, may require thicker or reinforced flanges.

  • Pressure Levels – Flanges used in high-pressure environments must be tested accordingly.

Mesta Inc. provides detailed guidance and material certifications, ensuring that customers in India, Kazakhstan, and beyond make informed decisions.

Installation Guidelines for Reliable Results

To achieve a reliable seal, the installation process should be carried out with precision. Mesta Inc. offers the following best practices:

  1. Surface Preparation
    Ensure the pipe is clean and smooth. Debris, rust, or moisture may reduce bonding efficiency.

  2. Positioning the Flange
    Align the flange carefully on the pipe at the desired point of concrete entry. Secure it using clamps or adhesives if required.

  3. Concrete Pouring
    Pour the concrete gently to avoid displacement. Use vibration tools to remove air pockets and create a solid seal.

  4. Inspection
    After the concrete sets, check the pipe and surrounding area for visible gaps or potential weak points.

When these steps are followed, the risk of leakage is significantly reduced, and the structure gains long-term protection.

Advantages of Using a Puddle Flange Connection in Wet Environments

In regions like India, UAE, and Uzbekistan, where underground water levels fluctuate, the use of puddle flanges has become indispensable. These advantages make them the preferred choice:

  • Prevents Water Ingress – Completely seals the pipe-concrete interface

  • Increases Durability – Prevents corrosion of reinforcement bars

  • Cost-Effective – Reduces the need for maintenance and future repairs

  • Flexible Installation – Can be used with various pipe materials and diameters

Because of these benefits, engineers and architects in Saudi Arabia and Kazakhstan often specify puddle flange connections in foundation designs and water-sensitive zones.

Why Choose Mesta Inc. for Puddle Flange Solutions?

Mesta Inc. is a globally trusted name in the pipe fittings industry. Here’s why customers across India, Saudi Arabia, and Kazakhstan continue to choose Mesta:

  • Certified Manufacturing – All flanges undergo rigorous quality testing

  • Custom Sizes – Tailored to suit individual project specifications

  • Corrosion-Resistant Materials – Ideal for diverse climatic zones

  • Technical Support – On-site and remote consultation available

  • Prompt Delivery – Efficient logistics in UAE, Uzbekistan, and neighboring regions

Furthermore, Mesta’s reputation for reliability and service has helped it become the go-to supplier for government infrastructure, private construction, and industrial installations.

Common Installation Mistakes to Avoid

To ensure maximum efficiency, some common mistakes should be avoided:

  • Improper Alignment – A flange that isn’t positioned correctly can break the seal.

  • Skipping Surface Cleaning – Contaminants reduce bonding strength.

  • Insufficient Concrete Coverage – Air pockets around the flange can cause leakage.

  • Using Incompatible Sealants – Some chemicals may degrade the flange material over time.

Mesta Inc. helps prevent such errors by providing on-site guidance and pre-installation checklists, especially in complex projects across Uzbekistan, Kazakhstan, and India.

The Role of Climate in Puddle Flange Selection

Climate plays a crucial role in flange design and selection. In hot and dry areas like Saudi Arabia, thermal expansion needs to be factored in. Conversely, humid or flood-prone regions such as India and UAE demand high corrosion resistance.

Mesta Inc. develops and supplies climate-specific products, ensuring maximum lifespan regardless of the environment. This region-based approach has earned them trust in both public and private sector projects.

Puddle flange connections may appear minor in the grand scheme of construction, but their role in safeguarding a building’s waterproof integrity cannot be overstated. With climate variability, rising groundwater, and increasing demands on infrastructure, reliable sealing methods are more critical than ever. Mesta Inc. continues to deliver world-class puddle flange solutions to Kazakhstan, India, UAE, Saudi Arabia, and Uzbekistan, helping shape the future of waterproof engineering one project at a time.

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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