GI Flange Manufacturer – Galvanized Flange Suppliers in India 2025
GI Flange Manufacturer – Galvanized Flange Suppliers in India 2025
GI (Galvanized Iron) flanges are widely used in plumbing, firefighting, drainage, and infrastructure piping systems where corrosion resistance is a must. Indian GI flange manufacturers offer a wide variety of products including hot dip galvanized (HDG) SORF flanges, blind flanges, threaded flanges, and custom sizes.
Why Choose a GI Flange Manufacturer in India?
- Low-cost fabrication and galvanizing processes
- Availability of IS 1538/IS 6392 compliant flanges
- Hot dip galvanizing services (up to 120-micron zinc coating)
- Quick delivery and custom options for OEMs and EPC contractors
Types of GI Flanges Manufactured in India
1. GI SORF Flange (Slip-On Raised Face)
Commonly used for underground & exposed pipe systems. Zinc-coated MS base material.
2. GI Blind Flange
Blocks off piping ends. Used in pump outlets and maintenance lines.
3. GI Weld Neck Flange
High-pressure piping use. Galvanized after fabrication or forging.
4. Threaded GI Flange
Non-weld pipe joint flange for gas lines.
5. Custom Galvanized Flanges
Flanges with anchor rings, ribs, or puddle profiles.
GI Flange Specifications & Standards
| Parameter | Range / Standard |
|---|---|
| Size | ½ inch to 36 inch (DN15–DN900) |
| Coating Type | Hot Dip Galvanized (80–120 micron) |
| Standards | IS 1538, IS 6392, ANSI B16.5 |
| Zinc Coating Test | IS 2629 compliant |
| Thickness | 5mm to 30mm |
Top GI Flange Manufacturers in India
1. Udhhyog – Trusted GI Flange Manufacturer & Exporter
- GI flanges in SORF, WNRF, Blind, Threaded
- Zinc coating thickness: 80 to 120 micron
- Custom designs for tanks, HDPE sleeves, puddle use
- ? +91-9311120784 | Send RFQ | Contact | WhatsApp
2. Precision GalvaTech
Hot dip galvanizing specialist with in-house flange casting. Exports to UAE, Oman, and Nepal.
3. Metro Steel India
Supplies GI threaded and blind flanges. Stockiest of IS 1538 GI pipe flanges.
GI Flange Price List India – 2025 Estimate
| Flange Type | Size | Coating | Rate/pc (INR) |
|---|---|---|---|
| GI SORF | 2" | 80 µm | ₹200 |
| GI Blind | 3" | 100 µm | ₹260 |
| GI Threaded | 2" | 80 µm | ₹240 |
| GI WNRF | 4" | 120 µm | ₹420 |
*Prices may vary based on zinc thickness, flange weight, and order volume.*
Applications of GI Flanges
- Water distribution systems
- Plumbing and sanitary lines
- Firefighting mains
- Water tank outlets
- Roof drainage and sump connection
Benefits of Indian GI Flange Suppliers
- Lower cost due to domestic galvanizing plants
- Fast lead times (3–7 working days)
- Custom flanges for HDPE & concrete tanks
- Bulk-ready with QA reports & GST invoice
Related Pages
- MS Flange Manufacturer in India
- MS Flange Manufacturer in Delhi
- Blind Flange Manufacturers
- Custom Puddle Flange Manufacturing
FAQs – GI Flange Manufacturer
Q1. What zinc coating thickness is standard for GI flanges in India?
A1. Most Indian manufacturers provide 80–120 micron zinc coating depending on use case.
Q2. Are GI flanges suitable for underground installations?
A2. Yes. Hot dip galvanized flanges are corrosion-resistant and ideal for buried pipelines.
Q3. Can Indian manufacturers provide test certificates?
A3. Yes. MTC, zinc test certificates, and third-party inspection reports are available.
Q4. Are customized flange sizes available?
A4. Yes. You can submit drawings for custom GI flange fabrication.
Q5. Do Indian suppliers ship globally?
A5. Many large manufacturers export GI flanges to the Middle East, Africa, and Asia.
? Order GI Flanges from a Verified Indian Manufacturer
Udhhyog supplies durable, corrosion-resistant GI flanges at factory prices.
? Send RFQ | ? +91-9311120784 | Contact Us | WhatsApp
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