SS vs GI Puddle Flanges – Which One is Better for Your Project?

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   Introduction: Choosing the Right Puddle Flange Material Puddle flanges are crucial in ensuring leak-proof pipe penetrations through RCC walls, tanks, or slabs . But when it comes to selecting the right material — SS (Stainless Steel) or GI (Galvanized Iron) — many engineers, contractors, and industrial buyers find themselves unsure. This guide compares SS vs GI puddle flanges , their strength, durability, corrosion resistance , and ideal applications . 🧱 What Are Puddle Flanges? A puddle flange is a ring-like device installed around pipes as they pass through concrete to prevent leakage . It's embedded into the RCC structure and forms a seal that blocks water or fluid ingress. Common Materials: SS (Stainless Steel) – Known for corrosion resistance and durability. GI (Galvanized Iron) – Steel coated with zinc to resist rust at a lower cost. ⚙️ SS vs GI Puddle Flanges – Quick Comparison Table Feature SS Puddle Flange GI Puddle Flange Material Stainles...
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MS Pipe for Water Supply, Gas & HVAC Systems

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Introduction



Mild Steel (MS) pipes are an essential part of modern infrastructure—especially in water supply, gas pipelines, and HVAC systems. Their durability, cost-efficiency, and versatility make them the first choice for commercial, residential, and industrial projects across India.


MS pipes are widely used in water supply, gas transportation, and HVAC systems due to their strength, ease of welding, and affordability. They can handle medium pressure and are available in ERW and seamless types to suit specific industrial needs.

🧰 Key Benefits of Using MS Pipes

  • 🔩 Strong & Durable – Handles water and gas flow under pressure.

  • 💰 Cost-Effective – Lower cost than SS or copper piping systems.

  • 🔧 Easy to Weld & Install – Ideal for fabrication and onsite customization.

  • 🌡️ Temperature Resistant – Suitable for hot and cold HVAC flows.

  • 🛡️ Protective Coating Available – Can be galvanized or painted to resist rust.

🏗️ Applications in Water, Gas & HVAC Systems

🚰 Water Supply:

  • Municipal & industrial water lines

  • Borewell and submersible connections

  • Plumbing for high-rise buildings

🔥 Gas Systems:

  • LPG/PNG industrial lines (with proper safety norms)

  • Commercial kitchen and utility gas lines

  • Fuel distribution lines in factories

❄️ HVAC Systems:

  • Chilled water supply and return lines

  • Air conditioning piping

  • Compressed air distribution in plants

📊 MS Pipe Sizes & Price Range in 2025

Pipe Size (Inches)Wall Thickness (mm)TypeAvg. Price/Metre (INR)Suitable For
0.75"2.0ERW₹90 – ₹110Plumbing, HVAC
1.5"2.5Seamless₹130 – ₹160Water/Gas Lines
3"3.2ERW₹210 – ₹240HVAC/Chiller Lines
4"3.6Galvanized₹280 – ₹330Underground Water/Gas

Note: Prices vary by region, coating, and bulk orders.

🏭 Why Choose MS Pipes for Water, Gas & HVAC?

  • ✅ Available in multiple grades (IS 1239, IS 3589)

  • ✅ Compatible with threaded and flanged joints

  • ✅ Long service life with proper anti-corrosion treatment

  • ✅ Readily available from Indian manufacturers and suppliers

⚙️ Installation & Maintenance Tips

  • Always use anti-corrosion coatings for water and gas pipelines.

  • For HVAC systems, insulate MS pipes to prevent energy loss.

  • Ensure leak-proof joints with proper threading and sealants.

  • Schedule periodic inspections for gas safety and pipeline integrity.

❓ Frequently Asked Questions (FAQs)

Q1. Are MS pipes good for underground water pipelines?

A: Yes, with galvanization or bitumen coating to prevent rust.

Q2. Can MS pipes be used in residential gas supply?

A: Yes, but installation must follow safety norms and standards.

Q3. Is MS pipe suitable for HVAC chilled water systems?

A: Absolutely. They offer thermal resistance and cost benefits.

Q4. What is the lifespan of MS pipes in HVAC or water lines?

A: 20–30 years with proper maintenance and coating.

Q5. Where can I buy MS pipes for HVAC and gas systems in India?

A: You can buy from suppliers on IndiaMART, TradeIndia, or directly from manufacturers in cities like Delhi, Mumbai, Pune, and Faridabad.

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