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

  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...

ISI Marked MS Pipes – Durable & Corrosion-Resistant

 

What Are ISI Marked MS Pipes?



ISI (Indian Standards Institute) marking certifies that the MS (Mild Steel) pipe meets the quality and safety guidelines set by BIS (Bureau of Indian Standards.udhhyog

MS pipes with ISI marking ensure:

  • Quality control during production
  • Standardized material strength and thickness
  • Resistance to corrosion and leakage

๐Ÿ“˜ BIS Standards for MS Pipes

IS CodeDescriptionApplication Areas
IS 1239MS pipes for light, medium, heavy usePlumbing, water supply, fabrication
IS 3589Large diameter MS pipes for fluid useSewage, water mains, gas pipelines

๐Ÿ—️ Key Benefits of ISI Certified Pipes

  • Reliable Tensile Strength
  • ๐Ÿ”’ Leak-proof welds and joints
  • ⚙️ Uniform thickness and OD
  • ๐Ÿ›ก️ Corrosion-resistant in moisture & soil
  • ๐Ÿงช Safe for water and gas transport
  • ๐Ÿ“ฆ Ideal for pressure & structural loads pipe

๐Ÿ› ️ Common Applications of ISI Marked MS Pipes

  • ๐Ÿšฟ Water Supply Pipelines
  • ๐Ÿข Structural Fabrication in Buildings
  • ๐Ÿ”ง Industrial Equipment Frames
  • ๐Ÿšง Underground Gas Pipelines
  • ๐Ÿ› ️ Machinery & Plant Support Systems
  • ๐Ÿญ Boiler & Steam Applications (in seamless pipes)

๐Ÿ’ฐ Price of ISI Marked MS Pipes in India (2025)

Size RangeThickness (mm)TypePrice (₹/kg)
1" – 2"2.0 – 3.2ERW ISI₹58 – ₹70
3" – 6"3.0 – 5.0IS 1239/3589₹62 – ₹78
8" & above5.0+Heavy-duty₹68 – ₹85

Note: Prices may vary by region, coating (galvanized), and order quantity.


๐Ÿ” How to Identify Genuine ISI Marked Pipes

  1. ๐Ÿ”Ž ISI logo and license number stamped on the pipe
  2. ๐Ÿ“œ Mill Test Certificate (MTC) provided by the manufacturer
  3. ๐Ÿ“ฆ Proper packaging and traceability
  4. Matching IS code (IS 1239 / IS 3589) on the surface
  5. ๐Ÿงพ Invoice mentioning BIS-compliant material

๐Ÿญ Where to Buy ISI Marked MS Pipes in India

  • Leading MS Pipe Manufacturers
  • Authorized BIS license holders
  • Steel stockists in Delhi, Gujarat, Punjab, Maharashtra
  • B2B platforms like IndiaMART & TradeIndia

You can request:

  • Custom sizes and wall thickness
  • Bulk order quotes with delivery
  • Galvanized coating or special treatments

๐Ÿ™‹‍♂️ FAQs

Q1. What does ISI marking mean on MS pipes?

It means the pipe meets BIS quality and safety standards, ensuring strength and durability.

Q2. Are ISI pipes more expensive?

Slightly, but they offer better performance, safety, and lifespan, reducing long-term costs.

Q3. Which IS standard is best for structural pipes?

IS 1239 is best for general fabrication. IS 3589 suits high-diameter and pressure pipelines.

Q4. Can I use ISI pipes underground?

Yes, especially galvanized ISI pipes, which resist corrosion in soil.

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