Carbon Steel Buttweld Eccentric Reducer Standard

The Buttweld Eccentric Reducer is essential for efficient piping systems, seamlessly connecting pipes of different diameters to ensure smooth flow and minimize pressure loss. Ideal for diverse industrial applications, it combines durability with performance for superior fluid management.

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Buttweld Eccentric Reducer

Optimised Flow Transitions. Air Pocket Prevention. Built for Demanding Systems.

The Buttweld Eccentric Reducer is an essential component in pipeline systems, enabling smooth transitions between pipes of varying diameters while maintaining flow alignment along the pipe bottom. This design is particularly effective in preventing air accumulation and is commonly used upstream of pumps to increase velocity and reduce pressure loss.

Sizing

Sizing is based on Nominal Bore (NB) – a standardised measurement referencing the internal diameter of pipes. NB ensures compatibility across fittings, valves, and other pipeline components, helping maintain consistency and efficiency across diverse systems.

Design and Functionality

Eccentric reducers feature an off-centre alignment, ensuring the pipeline’s top level remains flat. This is vital for evacuating trapped air or gases during system start-up and operation. Unlike concentric reducers, the eccentric design eliminates the risk of gas pockets that could disrupt flow or damage equipment.

Applications

The Buttweld Eccentric Reducer is highly versatile and suitable for a wide range of industrial systems, including:

  • Oil and gas pipelines and refineries.
  • Water treatment and distribution facilities.
  • Power generation and steam systems.
  • Industrial process and chemical plants.

Construction and Benefits

  • Material: High-grade carbon alloy steel compliant with ASTM A234.
  • Leakproof Welded Connection: Ensures long-term reliability and safety.
  • Reduced Turbulence: Smooth internal surface and gradual transition minimise flow disruption.
  • Pressure Efficiency: Maintains flow velocity and reduces pressure drop.
  • System Longevity: Decreased wear and lower risk of cavitation or erosion.

Technical Specifications

Valve Warehouse Australia supplies Buttweld Eccentric Reducers in a variety of sizes to suit complex industrial layouts. Easy to install and space-efficient, these reducers are ideal for both new construction and retrofit applications. Their heavy-duty construction ensures performance under high-pressure and high-temperature conditions.

Upgrade your pipeline’s reliability and performance with the Buttweld Eccentric Reducer—the professional’s choice for safe, efficient, and durable flow control.


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Buttweld Eccentric Reducer

The Buttweld Eccentric Reducer is crucial in piping systems, facilitating seamless transitions between pipes of differing diameters. This fitting ensures a smooth flow and is essential for reducing pressure losses and simplifying pipeline configurations. Its design is particularly beneficial upstream of pumps where increasing fluid velocity is necessary.

Sizing

Sizing is based off Nominal Bore (NB).

Nominal Bore (NB) is a term used in piping and tubing to specify the approximate internal diameter of the pipe. It is a standardized measurement that helps in ensuring compatibility and consistency in piping systems.

NB is commonly used in plumbing, heating, and industrial piping to ensure that pipes, fittings, and valves can be matched and connected efficiently.

Design and Functionality

Eccentric reducers are designed to maintain the pipeline’s top level, which helps evacuate trapped air during system start-up. Unlike concentric reducers, eccentric reducers have an edge that aligns with the pipeline, preventing accumulation of air or other gases in the system.

Applications

The versatility of eccentric reducers makes them suitable for a broad range of applications. They are extensively used in the oil and gas industry to manage flow within refineries and pipelines. In water treatment facilities, they are essential for managing water flow and they are utilised in the construction and maintenance of power plant piping systems in the power generation sector.

Construction and Benefits

Constructed from high-grade carbon alloy steel to ASTM A234, Buttweld Eccentric Reducers meet stringent quality standards, ensuring durability and reliability. The integration of these reducers into piping systems offers numerous benefits:

They provide a permanent leakproof connection, significantly reducing the risk of system failures. The smooth interior surface and the gradual transition of pipe sizes minimise turbulence and pressure drop across the system. This enhances efficiency and extends the system’s lifespan by reducing wear and tear.

Technical Specifications

Valve Warehouse Australia offers Buttweld Eccentric Reducers in various sizes, designed to meet the needs of diverse industrial applications. The reducers are easy to install and optimise the use of space, making them ideal for complex pipeline layouts. Their robust construction ensures they can withstand the demands of heavy-duty industrial use, making them a reliable choice for both new constructions and maintenance projects.

Embrace efficiency and reliability in your piping systems with our Buttweld Eccentric Reducer, a must-have for any rigorous fluid transport application.

Measurements

Carbon Steel Butt Weld Eccentric Reducer Standard - Drawing
Imperial Size Larger Diameter A1 Larger Diameter A2 Smaller Diameter B1 Smaller Diameter B2 End to End C Wall Thickness Approx Kg/PC
1″ x ½″ 33.7 25.9 21.3 15.7 50.8 3.4 0.1
1″ x ¾″ 33.7 25.9 26.7 20.9 50.8 3.4 0.1
1¼″ x 1″ 42.2 33.7 26.7 25.9 50.8 3.6 0.2
1½″ x 1½″ 48.3 40.9 21.3 15.7 76.2 3.7 0.3
1½″ x 1¼″ 48.3 40.9 33.7 25.9 76.2 3.7 0.3
2″ x 1″ 60.3 52.5 48.3 40.9 76.2 3.9 0.4
2″ x 1½″ 60.3 52.5 48.3 40.9 88.9 3.9 0.7
2½″ x 1½″ 73 62.6 48.3 40.9 88.9 5.2 0.6
2½″ x 2″ 73 62.6 48.3 40.9 88.9 5.2 0.6
3″ x 2″ 88.9 77.9 60.3 52.5 88.9 5.5 0.9
3″ x 2½″ 88.9 77.9 73 62.6 101.6 5.5 1.0
4″ x 2″ 114.3 102.3 60.3 52.5 101.6 6.1 1.5
4″ x 2½″ 114.3 102.3 73 62.6 101.6 6.1 1.6
4″ x 3″ 114.3 102.3 88.9 76.7 101.6 6.1 1.6
5″ x 4″ 141.3 128.1 114.3 102.3 127 6.6 2.6
6″ x 3″ 168.3 154.1 88.9 77.9 139.7 7.1 3.5
6″ x 4″ 168.3 154.1 114.3 102.3 139.7 7.1 3.6
6″ x 5″ 168.3 154.1 141.3 128.1 139.7 7.1 3.7
8″ x 4″ 219.1 202.7 114.3 102.3 152.4 8.2 6.3
8″ x 5″ 219.1 202.7 141.3 128.1 152.4 8.2 5.9
8″ x 6″ 219.1 202.7 168.3 154.1 152.4 8.2 5.9
10″ x 6″ 273.1 254.5 168.3 154.1 177.8 9.3 10.0
10″ x 8″ 273.1 254.5 219.1 202.7 177.8 9.3 10.7
12″ x 8″ 323.9 304.9 219.1 202.7 203.2 9.5 15.3
12″ x 10″ 323.9 304.9 273.1 254.4 203.2 9.5 15.7
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