Puddle Flange Technical Specifications for RCC Applications – Udhhyog

 In RCC (Reinforced Cement Concrete) structures, especially those that involve water retention or drainage, the use of puddle flanges is essential to prevent leakage and ensure structural durability. These flanges act as a permanent barrier between the pipe and concrete, making them a vital waterproofing component.



At Udhhyog, we specialize in manufacturing high-quality puddle flanges that comply with industry standards and meet the technical requirements of modern civil and industrial projects across India.

🔍 Why Technical Specifications Matter

Using puddle flanges without the correct dimensions, thickness, and materials can lead to:

  • Pipe misalignment

  • Leakage through concrete joints

  • Reduced structural integrity

  • Expensive post-construction fixes

That’s why Udhhyog flanges are manufactured with strict adherence to IS 1538 and other relevant civil engineering codes, ensuring every unit meets the requirements of high-performance RCC applications.

🧱 Technical Specifications of Udhhyog Puddle Flanges

SpecificationDetails
Pipe Size Range50mm to 600mm+ (custom sizes available)
Material OptionsMS (Mild Steel), GI (Galvanized Iron), SS 304/316
Flange Thickness5mm to 25mm (based on pressure/class)
Flange Outer Diameter (OD)Varies with pipe size (customizable)
Bore Diameter (ID)Matches pipe OD with clearance
Collar Width50mm to 150mm (for concrete embedment)
Bolt Holes (if required)PCD, quantity & size as per IS 1538
Surface CoatingBlack enamel, red oxide primer, hot-dip galvanization, epoxy (as per order)
Welding CompatibilityButt-weld, socket weld, or clamp-fit depending on pipe type
Standards FollowedIS 1538, ASTM A105, BS 4504 (on request)

🛠️ Material Selection Guide for RCC Projects

MaterialRecommended ForAdvantages
MSGeneral RCC water tanks, basementsAffordable, strong, easy to weld
GIMoist areas, underground drainsCorrosion-resistant, long-lasting
SS 304/316Chemical plants, coastal regionsHigh corrosion resistance, food-grade safe

🧪 Quality Assurance & Testing at Udhhyog

Each puddle flange undergoes:

  • Dimensional checks

  • Surface finish inspection

  • Anti-corrosion coating verification

  • Visual welding test (for MS and SS)

  • Custom marking and traceability for project references

✅ Where Udhhyog Puddle Flanges Are Used in RCC:

  • 🧱 Basement drainage systems

  • 💧 RCC water storage tanks (underground/overhead)

  • 🧪 STP and ETP outlets

  • 🌧️ Rainwater harvesting tanks

  • 🏢 Commercial foundation waterproofing

  • 🕳️ Utility duct penetrations

❓ Frequently Asked Questions (FAQs)

Q1: What collar width is best for deep RCC walls?
A: For walls thicker than 200mm, a collar width of 100–150mm ensures full embedment and leak-proof sealing.

Q2: Do Udhhyog flanges come with pre-drilled bolt holes?
A: Yes. We can provide plain, slotted, or bolted flanges as per your project’s installation requirement.

Q3: Can I request a technical drawing before placing the order?
A: Absolutely. Udhhyog provides custom CAD drawings and technical datasheets on demand.

Q4: Are epoxy-coated puddle flanges available for chemical tanks?
A: Yes, we offer epoxy-coated MS puddle flanges and SS 316 flanges for aggressive chemical or wastewater conditions.

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