How to Use a Puddle Flange in RCC Slab Construction – Step-by-Step Guide

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  A puddle flange is a simple yet essential fitting used in civil construction to prevent water leakage where pipes pass through concrete structures. In RCC (Reinforced Cement Concrete) slabs, these flanges act as a seal that stops water from migrating along the outer surface of a pipe. Whether you are working on water tanks, basements, lift pits, or underground pipelines, installing a puddle flange correctly ensures waterproofing and structural durability. This step-by-step guide from Udhhyog , a leading supplier of GI, MS, and SS puddle flanges in India, explains how to use a puddle flange during RCC slab construction. ๐Ÿงฐ Step-by-Step Guide ✅ Step 1: Choose the Right Puddle Flange Select a puddle flange based on the pipe size and material (MS, GI, or SS). GI puddle flanges are ideal for general drainage and water pipes. Use stainless steel for corrosive environments or coastal zones. At Udhhyog , we provide puddle flanges in custom sizes with...
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Top Puddle Flange Suppliers & Manufacturers in India – GI Puddle Flange for Water Tanks

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GI Puddle Flanges are essential in waterproofing pipe penetrations in tanks and underground concrete structures. Leading Indian udhhyog players offer quality GI flanges tailored for water tank installations, ensuring corrosion resistance and structural safety.

๐Ÿ”ง Leading GI Puddle Flange Suppliers in India

Company NameLocationSpecializationVerified Seller
Neer Drain SystemMumbaiGI puddle flanges for drainage✅
Perfect EngineeringDelhi NCRCustom-size puddle flange solutions✅
Vinfab EngineersAhmedabadWater tank sealing flanges✅
Flowrise IndustriesPuneUdhhyog-grade GI flanges✅
UNITECH FlangesChennaiIS-compliant GI & MS puddle flanges✅

✅ Benefits of Using GI Puddle Flanges in Water Tanks

  • Leak-proof pipe passage through concrete walls

  • Corrosion-resistant galvanized steel body

  • Long life in harsh wet environments

  • Easy installation for contractors

  • Widely used in civil & municipal udhhyog projects

๐Ÿ“ˆ Price Range for GI Puddle Flanges in India (May 2025)

Size (mm)ThicknessPrice Range (INR)Suitable Application
1003 mm₹280 – ₹350Domestic water tanks
1505 mm₹400 – ₹500Underground pipelines
2006 mm₹600 – ₹750Commercial drainage systems
250+8 mm₹800 – ₹1200Heavy industrial water channels

 Udhhyog Applications of GI Puddle Flanges

GI Puddle Flanges are widely adopted across Indian udhhyogs like:

  • Water Treatment Plants: Seal pipe entries into concrete tanks

  • Sewage Management Systems: Prevent leakages in STP/ETP units

  • Construction & Real Estate: Waterproofing in basement tanking

  • Chemical Factories: Protect concrete from chemical seepage

  • Power Plants: Ensure robust jointing in underground cooling systems

๐Ÿ› ️ How to Install a GI Puddle Flange Correctly

Follow these installation steps for effective sealing:

  1. Position the flange in the concrete shuttering during casting.

  2. Ensure at least 50 mm embedment into concrete.

  3. Use sealant or bitumen tape around pipe entry.

  4. Tighten bolts evenly for uniform compression.

  5. Test for leakage after concrete sets and piping is active.

๐Ÿ“‹ Technical Specifications – GI Puddle Flange

PropertySpecification
MaterialGalvanized Iron (GI)
Size Range50 mm – 600 mm
Flange Thickness3 mm to 10 mm
Pressure ClassUp to PN 10
FinishHot Dip Galvanized
Standard ComplianceIS 6392, DIN 2576, or Custom Drawings
Welded NeckYes (for pipe connection support)

๐Ÿ“Œ Why GI Puddle Flanges are Best for Water Tank Projects

  • Economical yet durable for long-term sealing

  • Zinc coating resists corrosion in wet environments

  • Compatible with PVC, HDPE, and MS pipelines

  • Ideal for civil and construction udhhyog contractors

  • Easily available across Indian metro & tier-2 cities

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