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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Buy Puddle Flanges at Best Price – SS/MS/GI Options for Udyog

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Introduction



If you're in construction, infrastructure, or industrial Udyog sectors, puddle flanges are essential for leak-proof pipe installations through concrete walls, tanks, and basements. But with so many materials like stainless steel (SS), mild steel (MS), and galvanized iron (GI) available, how do you choose the best one?

This guide helps you compare prices, materials, and applications to buy puddle flanges at the best rates in 2025.

What is a Puddle Flange?

A puddle flange is a ring-type fitting used to prevent water seepage where pipes penetrate concrete structures like tanks, basements, lift wells, and manholes. It forms a watertight seal around the pipe embedded in concrete.

Key Features:

  • Prevents leakage

  • Embedded in concrete

  • Works with PVC, HDPE, MS, SS pipes

  • Available in SS, MS, GI, PVC

Puddle Flange Price List in India – 2025 (INR/pc)

MaterialSize (mm)Price Range (₹)Common Applications
SS 304100₹320 – ₹600Potable water tanks, STPs
MS150₹180 – ₹400Rainwater systems, basements
GI200₹250 – ₹500Concrete drainage, construction slabs
PVC/HDPE110₹80 – ₹150Residential sewage & plumbing

Note: Bulk Udyog orders may reduce pricing by up to 15–20%.

Why Choose SS/MS/GI Puddle Flanges?

✅ Stainless Steel (SS)

  • High corrosion resistance

  • Ideal for clean water, sewage & chemical applications

  • Preferred in food, pharma & water treatment Udyog

✅ Mild Steel (MS)

  • Strong, affordable, and easy to weld

  • Best for general Udyog use in non-corrosive environments

✅ Galvanized Iron (GI)

  • Zinc-coated MS flange

  • Cost-effective with added corrosion resistance

  • Widely used in drainage, rainwater & industrial slabs

Puddle Flanges for Udyog Applications

Udyog SectorUse Case Example
Water Treatment PlantsTank wall pipe sealing
Construction UdyogBasement waterproofing
Industrial DrainageEmbedded pipes in concrete slabs
Infrastructure ProjectsFlyovers, sewage treatment, smart cities
Chemical PlantsCorrosion-resistant SS flanges for tanks

How to Choose the Right Puddle Flange?

  1. Material:

    • Use SS for corrosion resistance (water/chemical Udyog)

    • Use GI for economical drainage/fluid transfer

    • Use MS for general concrete installations

  2. Size Compatibility:
    Match flange size with pipe OD (outer diameter)

  3. Concrete Grade & Pipe Pressure:
    Choose heavy-duty or custom-reinforced flanges for high-strength concrete or high-pressure systems.

  4. Project Standards:
    Some projects (Govt/Udyog) require MTC, IS-code compliance, or custom drawing approvals.

Puddle Flange Availability (Stock & Delivery in India)

CitySupplier TypeDispatch Time
Delhi NCRManufacturer/Stockist1–2 days
Mumbai/MaharashtraBulk Trader2–4 days
HyderabadUdyog Supplier3 days
ChennaiDistributor2–3 days
BengaluruManufacturer2 days
Punjab/HaryanaGI/MS Focused Supplier1–2 days

FAQs – Puddle Flange for Industrial Buyers

Q1. Can I use MS puddle flange for STP tanks?

Yes, MS puddle flanges can be used for STP tanks if the water isn't highly corrosive. Otherwise, prefer SS 304/316.

Q2. Are GI puddle flanges rust-proof?

Partially. GI flanges are zinc-coated, offering basic rust protection, but not suitable for highly aggressive environments.

Q3. What is the delivery time for 50+ flanges?

Bulk orders typically ship in 2–4 working days depending on stock and location.

Q4. Do these flanges follow any standard?

Most puddle flanges are custom-made as per civil/construction drawings. No fixed IS/ASTM standard is mandated.

Q5. Can I get customized flange thickness or coating?

Yes. Suppliers offer custom thicknesses, epoxy coatings, and flange face finishes on request.

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