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Description
An MS Flange (Mild Steel Flange) is a mechanical component used to connect pipes, valves, pumps, and other equipment in a piping system. Flanges provide a strong, leak-proof, and detachable joint, making installation, inspection, and maintenance easy. MS flanges are widely used in water supply, oil & gas, fire fighting, HVAC, fabrication, and industrial piping systems due to their strength, durability, and cost-effectiveness.
Material & Construction
- Material: Mild Steel / Carbon Steel
- Common Grades: IS 2062 / ASTM A105
- Manufacturing: Forged / Plate Cut / Welded
- Surface Finish: Black, Painted, Galvanized, Powder Coated
Types of MS Flanges
- Slip-On Flange (SOFF / SORF)
- Weld Neck Flange (WNRF)
- Blind Flange (BLRF)
- Socket Weld Flange
- Threaded Flange
- Lap Joint Flange
- Plate Flange
Standards & Specifications
- ANSI / ASME B16.5
- BS 10 Table D / E / F / H
- DIN / IS / JIS Standards
- Pressure Classes:
- Class 150
- Class 300
- Class 600
- Class 900
- Flange Face Types:
- Raised Face (RF)
- Flat Face (FF)
- Ring Type Joint (RTJ)
Size Range
- Typically from ½” (15 NB) to 48” (1200 NB)
- Thickness and drilling as per pressure class and standard
Key Features
✔ Strong and durable construction
✔ Easy installation and maintenance
✔ Excellent weldability
✔ Cost-effective piping solution
✔ Suitable for high and low pressure systems
✔ Available in multiple drilling standards
Applications
- Water Supply Systems
- Fire Fighting Pipelines
- Oil & Gas Industries
- Chemical & Petrochemical Plants
- HVAC & Utility Lines
- Structural & Fabrication Work
- Steam & Process Piping
Advantages
- Leak-proof pipe connection
- Easy dismantling for maintenance
- High mechanical strength
- Long service life
- Widely available in various standards and sizes