GI Flange Table, Puddle Flange Price List, and Standard Dimensions Explained

 Galvanized Iron (GI) flanges are essential in industrial piping, plumbing, and water distribution networks due to their corrosion resistance, durability, and reliability. Selecting the right GI flange type, standard size, and pricing is crucial for efficient system performance.

This guide covers:

• GI flange table with standard dimensions
• Puddle flange price list and specifications
• Standard GI flange dimensions and classifications
• Why Udhhyog is the preferred supplier of GI flanges?

GI Flange Table – Standard Dimensions

GI flanges conform to IS 1538, ASME B16.5, and PN16 standards. Below is a reference GI flange table showing standard dimensions.Nominal Pipe Size (NPS)Flange Outer Diameter (mm)Bolt Hole Diameter (mm)Number of Bolts2"1501943"1751944"2301986"280228100mm210198150mm280228

Puddle Flange Price List & Specifications

GI puddle flanges are designed for underground and waterproofing applications. Below is a puddle flange price list.Puddle Flange SizePrice (INR/Piece)2-inch₹400 – ₹7003-inch₹600 – ₹9004-inch₹800 – ₹1,2006-inch₹1,500 – ₹2,200100mm₹1,200 – ₹1,800150mm₹1,800 – ₹2,500

Standard GI Flange Dimensions & Classifications

GI flanges are categorized based on design, pressure rating, and functionality.

1. GI Slip-On Flange (SOF)

• Slides over the pipe and is then welded.
• Suitable for low to medium-pressure applications.
• Common in plumbing and HVAC systems.

2. GI Weld Neck Flange (WN)

• Has a long tapered hub for welding.
• Ideal for high-pressure and high-temperature pipelines.
• Used in water treatment plants and industrial flow lines.

3. GI Blind Flange (BL)

• Seals the end of a pipeline, preventing leaks.
• Used in testing, maintenance, and system shutdowns.
• Common in oil & gas, chemical, and municipal water systems.

4. GI Threaded Flange (THF)

• Screwed onto pipes without welding.
• Best for low-pressure systems.
• Used in gas pipelines and small-diameter applications.

5. GI Puddle Flange

• Designed for underground pipe penetrations.
• Prevents water leakage in concrete structures.
• Common in basements, water tanks, and drainage systems.

Why Choose Udhhyog for GI Flanges?

✅ High-Quality GI Flanges – Available in various sizes and pressure ratings.
✅ Custom Manufacturing – Flanges tailored to industrial needs.
✅ Affordable Pricing – Best rates for bulk and custom orders.
✅ Trusted Supplier – Serving Delhi, Haryana, UP, and J&K.

For premium GI flanges, trust Udhhyog – your reliable supplier of industrial piping solutions.

Conclusion

GI flanges play a crucial role in industrial piping, plumbing, and waterproofing applications. Understanding flange tables, standard dimensions, and pricing ensures the best selection for durability and efficiency. Udhhyog supplies high-quality GI flanges, from 2-inch to 150mm sizes, meeting Class 150 and PN16 standards.

For competitive pricing and bulk orders, check out the Udhhyog GI Flange Price List and Catalogue.