Stainless Steel Puddle Flange – Specifications, Sizes & Buyer’s Guide
When pipes pass through concrete structures, preventing leakage is a top priority. A stainless steel puddle flange is specially designed to provide a permanent seal against water ingress. Available in multiple grades, sizes, and standards, these flanges are widely used in construction, industrial, and infrastructure projects.
Technical Specifications of Stainless Steel Puddle Flanges
Grades Available: SS 304, SS 304L, SS 316, SS 316L
Sizes: 20 mm to 600 mm (custom sizes on request)
Thickness: 3 mm to 12 mm
Standards: Manufactured as per ASTM / ASME / DIN / IS norms
Finish: Polished / Matte / Mill finish
Connection Type: Welded or clamped on pipe surface
Why Use Stainless Steel Puddle Flanges?
High Strength & Pressure Resistance – Suitable for underground and water-retaining structures.
Corrosion-Proof – Withstands moisture, sewage, and chemical exposure.
Customizable – Can be designed for different pipe diameters and project needs.
Hygienic Material – Safe for drinking water applications.
Applications of Stainless Steel Puddle Flanges
Water Treatment Plants – Prevents seepage at tank wall penetrations.
Basement Construction – Stops groundwater from entering through pipes.
Sewage Systems – Provides reliable sealing in wastewater projects.
Industrial Pipelines – Used in refineries, power plants, and process industries.
Stainless Steel Puddle Flange Price in India
The price depends on grade, thickness, and diameter.
SS 304 Puddle Flange: ₹450 – ₹1,200 per piece
SS 316 Puddle Flange: ₹650 – ₹1,600 per piece (recommended for marine & chemical use)
Buyer’s Tips for Choosing the Right Puddle Flange
Select Grade According to Environment – SS 316 for highly corrosive conditions, SS 304 for standard use.
Check Dimensions – Ensure proper pipe OD match to avoid leakage issues.
Verify Standards – Buy flanges made as per ASTM/ASME or IS standards.
Choose Trusted Suppliers – Ensure quality testing and certification.
Conclusion
A stainless steel puddle flange is a cost-effective and long-lasting investment for waterproof pipe installations. With the right grade, size, and supplier, you can achieve a leak-proof, maintenance-free, and durable solution for your project.