Introduction
In industries like oil, gas, power plants, petrochemicals, construction, and water treatment, efficient fluid flow is crucial. One of the most reliable components for connecting different pipe sizes seamlessly is the MS Concentric Reducer.
Fortis Forge, a leading manufacturer and supplier of pipe fittings, specializes in delivering high-quality Mild Steel (MS) Concentric Reducers that meet international standards and provide superior performance. This blog will provide a comprehensive 2000-word guide on MS Concentric Reducers, including their design, manufacturing, applications, advantages, technical details, and why Fortis Forge should be your trusted partner.
What is an MS Concentric Reducer?
An MS Concentric Reducer is a type of pipe fitting used to connect pipes of different diameters while maintaining a common centerline. It is shaped like a cone and helps in smoothly transitioning the flow from a larger pipe to a smaller one (or vice versa) without causing turbulence or pressure loss.
Material: Manufactured from high-quality Mild Steel.
Shape: Symmetrical conical design with both ends aligned on the same axis.
Connection: Usually used in butt-welded systems.
Unlike eccentric reducers, concentric reducers ensure that the centerlines of both pipes remain aligned, making them ideal for vertical piping systems and liquid transport.
Features of MS Concentric Reducer
Durability – Mild steel ensures strength and long service life.
Corrosion Resistance – Can be treated with coatings for added protection.
High Strength – Withstands internal pressure and external stress.
Leak-Proof Design – Proper welding ensures a strong, leak-free joint.
Versatile Sizes – Available in standard and custom diameters.
Cost-Effective – Compared to stainless steel and alloy steel reducers.
Types of MS Concentric Reducer
MS Concentric Reducers are classified based on:
1. Manufacturing Method
Seamless MS Concentric Reducer – Manufactured from a solid pipe without welding; used for high-pressure systems.
Welded MS Concentric Reducer – Made by welding two steel sheets or pipes; economical and widely used.
2. End Connections
Butt-Weld Reducer – Most common, provides strong leak-proof joints.
Socket Weld Reducer – Suitable for smaller pipe sizes.
3. Coating Types
Black Mild Steel – Standard MS without coating.
Galvanized Mild Steel – Zinc-coated for corrosion resistance.
Manufacturing Process of MS Concentric Reducer at Fortis Forge
Fortis Forge follows a strict quality-controlled manufacturing process:
Raw Material Selection – Premium-grade mild steel procured from trusted mills.
Cutting & Shaping – Pipes or sheets are cut to required size.
Forming – Cone-shaped reducers are formed using hot forming or cold forming techniques.
Heat Treatment – To enhance strength and remove stresses.
Welding (if applicable) – For fabricated types.
Machining & Finishing – Achieving accurate dimensions and smooth surfaces.
Surface Treatment – Blackening, galvanizing, or painting.
Inspection & Testing – Hydro test, dimensional check, ultrasonic test, etc.
Applications of MS Concentric Reducer
MS Concentric Reducers are widely used in:
Oil & Gas Pipelines – For smooth transition of crude oil, natural gas, and refined products.
Power Plants – Steam and water piping systems.
Chemical & Petrochemical Industries – Handling acids, solvents, and process fluids.
Water Treatment Plants – Connecting varying diameter water lines.
Construction – HVAC, plumbing, and fire protection systems.
Food & Beverage Industry – Process piping systems requiring mild steel.
Automotive & Shipbuilding – Fuel, exhaust, and hydraulic pipelines.
Advantages of Using MS Concentric Reducer
Smooth Flow Transition – Reduces turbulence and prevents cavitation.
Prevents Pressure Loss – Maintains flow efficiency.
Centerline Alignment – Essential for vertical pipelines.
Strong Mechanical Properties – Handles pressure and stress efficiently.
Affordable – Cost-effective compared to stainless steel.
Customizable – Can be manufactured in various thicknesses and diameters.
Standard Dimensions and Sizes
MS Concentric Reducers are manufactured as per international standards such as:
ASME B16.9 – Factory-made wrought steel butt-weld fittings.
DIN 2616 – Steel butt-weld fittings.
IS 1239 / IS 3589 – Indian Standards for mild steel fittings.
Common Sizes Available:
From ½ inch to 48 inches diameter.
Thickness: Sch 20, Sch 40, Sch 80, Sch 160, XXS.
Custom sizes available on request.
Technical Specifications
Material: Mild Steel (MS)
Size Range: ½” NB to 48″ NB
Thickness: SCH 20 to SCH 160, XXS
Standard: ASME B16.9, DIN, IS
Ends: Butt-weld / Socket-weld
Surface Finish: Black, Painted, Galvanized
Shape: Concentric (Conical)
MS Concentric Reducer vs. Eccentric Reducer
| Feature | MS Concentric Reducer | MS Eccentric Reducer |
|---|---|---|
| Shape | Symmetrical cone | Asymmetrical cone |
| Centerline Alignment | Maintains common axis | Off-center design |
| Best For | Vertical pipelines, liquid transport | Horizontal pipelines, gas and slurry |
| Applications | Oil, water, chemical, steam lines | Pump suction, slurry, horizontal flow |
Why Choose Fortis Forge for MS Concentric Reducers?
Premium Quality Mild Steel – Only top-grade raw material.
Advanced Manufacturing Facilities – Precision forming and welding machines.
Strict Quality Control – 100% inspection before dispatch.
Wide Range of Sizes – Standard and customized reducers.
On-Time Delivery – Strong logistics support across India and globally.
Competitive Pricing – Best value for money in the market.
Customer Support – Technical assistance and after-sales service.
Price of MS Concentric Reducer
The price of MS Concentric Reducers depends on:
Size (diameter and length)
Wall thickness (schedule)
Manufacturing type (seamless or welded)
Surface treatment (black, galvanized, painted)
Order quantity
Approximate Price Range in India (as of 2025):
Small sizes (½” – 2”) – ₹50 to ₹200 per piece.
Medium sizes (3” – 12”) – ₹250 to ₹1,500 per piece.
Large sizes (14” – 48”) – ₹2,000 to ₹20,000 per piece.
(Note: Prices are indicative. Contact Fortis Forge for exact quotations.)
Quality Standards Followed by Fortis Forge
ASME B16.9 – Factory-made wrought steel fittings
ISO 9001:2015 – Quality management certification
API & IBR Approval – For oil & gas and boiler industries
Third-Party Inspection (TPI) – BV, SGS, TUV available on request
Export and Supply
Fortis Forge is not only a trusted name in India but also a reliable exporter of MS Concentric Reducers worldwide. We supply to markets in:
Middle East
Europe
Africa
South-East Asia
North America
With a reputation for consistency and trust, Fortis Forge has established long-term relationships with clients in oil refineries, EPC contractors, government sectors, and private industries.
Maintenance & Storage Tips
Store in a dry, covered area to prevent rust.
Apply anti-rust coating if not used immediately.
Avoid exposure to chemicals and moisture.
Check for welding quality before installation.
Regularly inspect for leaks or corrosion in pipelines.
Conclusion
The MS Concentric Reducer is a vital component in any piping system that requires smooth and efficient fluid transition between different pipe sizes. With its strength, cost-effectiveness, and durability, it has become the preferred choice across industries.
At Fortis Forge, we ensure that every reducer is manufactured with precision, meeting international standards and delivering unmatched performance. Whether you need standard sizes or customized solutions, Fortis Forge is your one-stop destination for high-quality Mild Steel Concentric Reducers at the best prices.