Flanges
15+
Years of Excellence
PRODUCT OVERVIEW
High-Performance Flanges Engineered for Critical Applications
A flange is basically a rim or collar used to connect pipes, valves, and pumps in a system. It adds strength, helps distribute weight, and allows you to take parts of the pipe network apart for cleaning or repairs. You bolt two flanges together with a gasket between them to prevent leaks. The exact chemical composition and mechanical properties change depending on the material grade you pick, which directly affects the tensile strength.
Ritinox Industries Pvt Ltd (registered as Ritinox Overseas LLP) is an ISO 9001:2008 certified company. We have a dedicated design centre using 3D software and run high-end CNC and VMC machines. We ensure all items match major international standards like ASME, ANSI, DIN, and EN. This setup helps us handle large orders for international power stations, pipelines, and refineries reliably.
Types of Flanges
We produce several different shapes and configurations depending on how your lines need to be joined.
Slip-on Flanges
Weld Neck Flanges
Blind Flanges
Socket Weld Flanges
Threaded Flanges
Lap Joint Flanges
Reducing Flanges
Spectacle Blinds
Paddle Spacer
Paddle Blind
Industrial Flanges Specifications
The specifications for flanges are listed in the table below along with their standard material, dimensional standard and other details.
| Parameter | Specifications |
| Size Limits | 1/2″ to 14″ |
| Dimensional Standards | ASME B16.5, ASME B16.48 |
| Pressure Classes | 150# to 2500#, PN6 to PN160 |
| Certifications | EN 10204 3.1 / 3.2 MTC, Lab test charts, Heat treat reports |
| Facing | RF, RTJ, FF |
Materials Used to Make Flanges
We stock raw material in many distinct metal categories to cover standard high-pressure or corrosive systems.
| Material Category | Common Grades |
| Stainless Steel | ASTM A182 F304, F304L, F316, F316L, F317L, F321, F347 |
| Duplex & Super Duplex SA / A182 | ASTM A182 F51 (S31803), F53 (32750), F55 (32760), F60 (32205) |
| Nickel Alloys SB / B564 | N02200/N02201, N04400, N06600, N06625, N08020, N08120, N08800, N08810, N08811, N08825, N10276, N06617 |
Testing of Flanges
We at Ritinox Industries carry out the following tests for our Flanges:
- Visual & Dimensional
- Heat Number Verification
- PMI (NDT)
- Chemical Analysis (DT)
- Ferrite Check (DT) - (If Applicable)
- End Preparations - (NDT)
- Heat Treatment Review
- Dye Penetrant - (NDT)
- Ultra Sonic Test - (NDT)
- Hardness Test - (DT)
- Corrosion Test - (DT)
- Impact Test - (DT)
- Tensile Test - (DT)
- Micro Structure Test
All NDT tests are Conducted / Reviewed by ASNT level Ⅱ / Ⅲ inspectors.
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Frequently Asked Questions
Have questions? Find answers here!
Get quick answers to common questions about our products, quality standards, manufacturing capabilities, and industrial solutions.
Which types of flanges do you manufacture?
We manufacture weld neck, slip-on, blind, socket weld, threaded, lap joint, orifice flanges, and customized project flanges.
Which material grades are available?
We specialize in stainless steel, duplex stainless steel, super duplex stainless steel, and high nickel alloys for corrosion-resistant piping applications.
Which flange standards can be supported?
Products can be manufactured in accordance with ASME B16.5, ASME B16.47, MSS standards, ASTM standards, and project-specific requirements.
## Which flange facing types can be offered?
Raised Face (RF), Flat Face (FF), RTJ, and customized facing configurations can be supported.
Do you support customized machining requirements?
Yes. Project-specific dimensions, drilling requirements, facing details, and machining requirements can be supported.
Are your flanges suitable for critical process applications?
Yes. Our flange manufacturing program focuses on dimensional accuracy, sealing integrity, and corrosion-resistant alloy applications used in demanding industrial environments.
Do you support third-party inspection and documentation?
Inspection and documentation support can be provided based on project specifications and client requirements.