MS vs GI vs SS Puddle Flange – 2025 Guide to Types & Uses | Udhhyog
MS vs GI vs SS Puddle Flange – 2025 Guide to Types & Uses
Confused about which puddle flange to choose? In this expert-backed guide by Udhhyog, India's trusted industrial supplier, we break down the major differences between Mild Steel (MS), Galvanized Iron (GI), and Stainless Steel (SS) puddle flanges to help you make the right choice for your project.
Quick Answer: Which Puddle Flange is Best for You?
- SS Puddle Flange: Best for corrosive and marine environments – high durability, but costliest.
- GI Puddle Flange: Ideal for general water systems – moderate corrosion resistance at fair price.
- MS Puddle Flange: Best for low-corrosion areas – economical and easy to customize.
Detailed Comparison of MS, GI & SS Puddle Flanges
Below is a detailed comparison table to help you decide:
| Feature | MS Puddle Flange | GI Puddle Flange | SS Puddle Flange |
|---|---|---|---|
| Material | Mild Steel (Carbon Steel) | Galvanized Mild Steel (Hot-Dip Zinc Coating) | Stainless Steel (SS 304 / SS 316) |
| Corrosion Resistance | Low (needs painting or coating) | Moderate (resists rust moderately) | Excellent (resists even aggressive environments) |
| Durability | Moderate with maintenance | Good under normal conditions | High, long lifespan without special care |
| Cost | Low (most affordable) | Moderate | High |
| Best Use Cases | Basements, foundations, low-corrosion sites | Drainage, water tanks, general plumbing | Marine, wastewater, chemical plants |
Real Examples of Use
- MS: Commonly used in residential basements and low-risk industrial projects where cost control matters most.
- GI: Popular in municipal water supply lines and factory drainage setups due to decent protection at good pricing.
- SS: Chosen for high-risk chemical plants, coastal facilities, and places requiring long service life without corrosion worries.
Selection Tips From Experts
- Always consider the environment’s humidity, salinity, and chemical exposure.
- For hidden installations (like underground or inside concrete), weigh long-term risks carefully.
- Don’t select solely on initial cost—factor in maintenance, life expectancy, and repair costs too.
FAQs – Choosing Between MS, GI, and SS Puddle Flanges
Q1. Which puddle flange is the most cost-effective?
A1. MS puddle flanges are usually the most affordable option for non-corrosive areas.
Q2. Is GI puddle flange suitable for outdoor use?
A2. Yes, GI puddle flanges are moderately resistant to outdoor environments if periodically checked.
Q3. How long does an SS puddle flange last?
A3. Stainless steel puddle flanges often last decades with minimal maintenance.
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