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Eccentric Reducer

Eccentric Reducer

An eccentric reducer is a pipe fitting used in pipelines to reduce the diameter from a larger to a smaller bore size. Unlike a concentric reducer, where the centerlines of both ends align, an eccentric reducer has an offset centerline, creating a flat side. This unique design is ideal in applications where the pipe’s flow direction and layout demand a continuous or offset flow path, effectively preventing air pockets and allowing for consistent, optimized flow.
Attribute Description
Product Name Eccentric Reducer
Type Pipe Fitting
Size Range 1/2" to 48" (or custom sizes as per requirement)
Standard ASME B16.9, ASTM A234, MSS-SP-75, DIN, EN
Material Options Carbon Steel, Stainless Steel, Alloy Steel
Material Grades Carbon Steel: ASTM A234 WPB, WPC
Stainless Steel: ASTM A403 WP304, WP316
Alloy Steel: ASTM A182 F5, F9, F11, F22
Wall Thickness SCH 10, SCH 20, SCH 40, SCH 80, SCH 160, SCH XXS
End Type Beveled End (BE), Plain End (PE)
Length Short (SR) and Long (LR) lengths as per standards
Pressure Ratings Up to 6000 psi
Surface Finish Black Painted, Sandblasted, Anti-Rust Coating, Galvanized
Applications Oil and Gas, Petrochemical, Chemical, Power Plants, Water Treatment, and HVAC Systems
Compliance ISO 9001, PED, NACE MR0175, RoHS, ASTM, ASME
Advantages Smooth flow transition in piping systems, reduces turbulence and noise, is durable in high-pressure and corrosive environments, and reduces pipe misalignment.
Emirerri Steel

Eccentric Reducer Size

Large End (inches) Small End (inches) Wall Thickness (Schedule) Length (inches)
3 2 SCH 10, SCH 20, SCH 40 6
4 3 SCH 10, SCH 20, SCH 40, SCH 80 6.5
6 4 SCH 10, SCH 20, SCH 40, SCH 80 7.5
8 6 SCH 10, SCH 20, SCH 40, SCH 80, SCH 160 8.5
10 8 SCH 10, SCH 20, SCH 40, SCH 80, SCH 160 10
12 10 SCH 10, SCH 20, SCH 40, SCH 80, SCH 160, SCH XXS 11
14 12 SCH 10, SCH 20, SCH 40, SCH 80, SCH 160, SCH XXS 12
16 14 SCH 10, SCH 20, SCH 40, SCH 80, SCH 160, SCH XXS 14
18 16 SCH 10, SCH 20, SCH 40, SCH 80, SCH 160, SCH XXS 15
20 18 SCH 10, SCH 20, SCH 40, SCH 80, SCH 160, SCH XXS 16
24 20 SCH 10, SCH 20, SCH 40, SCH 80, SCH 160, SCH XXS 18
30 24 SCH 10, SCH 20, SCH 40, SCH 80, SCH 160, SCH XXS 20
36 30 SCH 10, SCH 20, SCH 40, SCH 80, SCH 160, SCH XXS 22
48 36 SCH 10, SCH 20, SCH 40, SCH 80, SCH 160, SCH XXS 24


Emirerri Steel

Key Features and Benefits

  • Offset Design The eccentric reducer's offset structure eliminates the buildup of gases at the top of pipelines. This is crucial in horizontal piping systems where uninterrupted flow and removal of air pockets are essential.
  • Versatility Eccentric reducers are compatible with various pipe materials and are suitable for diverse applications, from industrial fluid transfer systems to chemical processing, oil and gas pipelines, and HVAC systems.
  • Enhanced Durability Made from high-quality steel, eccentric reducers from Emirerri Steel are corrosion-resistant, capable of withstanding high pressures, and designed for longevity. Our reducers maintain integrity even in challenging environments, ensuring reliable performance and minimal maintenance.

Applications of Eccentric Reducers

Eccentric reducers are widely used in applications requiring:

  • Horizontal Piping: Prevents air buildup, ensuring a smooth flow, especially in pump suction systems.
  • Pump Discharge: Ideal for avoiding cavitation in pump systems by maintaining continuous fluid movement.
  • Chemical and Petrochemical Industries: Used for handling high-pressure liquids, gases, and corrosive substances.

Why Choose Emirerri Steel’s Eccentric Reducers?

At Emirerri Steel, we combine advanced manufacturing techniques with industry expertise to deliver high-quality steel pipe fittings. Our eccentric reducers meet international standards, are rigorously tested, and are designed for precision fit and maximum reliability. With a wide range of sizes and finishes, we ensure you get the perfect fit for your project.

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