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Eccentric reducer

Eccentric reducers (also known as eccentric pipe fittings) refer to pipe fittings with one end larger than the other. They have a circular nozzle connected to the pipe and achieve reasonable fluid transportation through the size transition of the pipe. Unlike concentric reducers with the same function, the special feature of eccentric reducers is that their center lines are different. Usually one side is thicker and the other side is thinner, and the shape is asymmetrical. Eccentric reducers are usually used to change the flow direction of fluid or adjust the flow rate of pipelines. They are widely used in the fields of petroleum, chemical industry, electric power, metallurgy, shipbuilding, etc., especially for those situations where pipelines of different sizes need to be connected.

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+86 15733710333

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info@global-flange.com

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1. Product Features:

Smooth fluid flow:
Due to the design of the eccentric reducer, the flow of the fluid in the pipeline is not easy to produce turbulence, which can better maintain the stable flow of the fluid, reduce flow loss, and avoid excessive friction in the pipeline.

Wide range of application:
Eccentric reducers are mainly used for the transition of pipeline sizes, especially for those scenarios where the pipeline sizes are inconsistent, such as connecting different pipeline diameters, or connecting liquids and gas pipeline systems.

Reduce fluid pressure loss:
Eccentric reducers help reduce the pressure loss caused by changes in pipeline diameter, especially in pipelines with high flow rates, which can effectively optimize the flow conditions of the fluid and improve the system operation efficiency.

Adapt to complex working environments:
Eccentric reducers are usually made of carbon steel, stainless steel, alloy steel and other materials. They have strong high temperature resistance, corrosion resistance, high compressive strength, and are suitable for various harsh working environments.

Reduce fluid collision:
The design of the eccentric reducer can reduce the collision of fluids in the pipeline, reduce the oscillation of the fluid, and extend the service life of the pipeline.

Easy installation:
Eccentric reducers are usually connected by welding, which is suitable for different pipe connection methods. They are easy to install and can quickly complete the construction of the pipe system.

 

2. Technical parameters:

Material Carbon steel, stainless steel, alloy steel, nickel-based alloy, etc.
Specification DN15 ~ DN1200 (1/2" ~ 48"), etc., can be customized according to customer requirements
Pressure level PN6 ~ PN250, suitable for piping systems with different pressure requirements
Temperature range -50°C ~ 450°C (depending on the materials used and pipeline working conditions)
standard Comply with international standards such as GB, ANSI, DIN, JIS, ASME, etc.
shape Eccentric design, one side is thicker and the other side is thinner. Common shapes are 90°, 45°, 30°, etc.
Surface treatment Anti-corrosion treatment such as spraying, galvanizing, phosphating, etc.
Connection Connection methods such as welding, flange, clamp, etc.

 

3. Application fields:

Petroleum and natural gas industry:
Eccentric reducers are used to connect pipelines of different sizes in the pipeline transportation of petroleum and natural gas, especially for the transportation of liquids and gases, to reduce the pressure drop and energy loss of fluids in the pipeline.

Chemical industry:
In chemical production, eccentric reducers are used to connect different pipeline systems to ensure the smooth flow of fluids in the pipeline and avoid reverse airflow or liquid fluctuations.

Power industry:
Eccentric reducers are used to connect pipelines in power plants, especially in hot water and steam pipeline systems, to optimize fluid flow and reduce pressure loss.

Metallurgical industry:
Eccentric reducers are widely used in metallurgical equipment for the connection of different pipeline interfaces and to withstand high temperature and high pressure working environments.

Municipal engineering:
Eccentric reducers can be used in municipal water supply pipeline systems to ensure smooth pipeline connection, reduce the impact of water flow, and extend pipeline life.

Shipbuilding industry:
In the shipbuilding process, eccentric reducers are often used in ship pipeline systems to connect pipelines of different specifications and maintain the tightness and stability of the pipeline system.

 

4. Advantages:

Smooth flow of fluid:
The eccentric design allows the fluid to flow smoothly through the pipe joint, avoiding sharp pressure changes, reducing water hammer effect and fluid friction.

Energy saving and consumption reduction:
The eccentric reducer can effectively reduce the energy loss of the fluid flowing in the pipe, thereby improving the operating efficiency of the pipe system.

Strong corrosion resistance:
Eccentric reducers are usually made of corrosion-resistant materials, which can resist corrosion from fluid media and environmental factors, and extend the service life of the pipe system.

Adapt to complex working conditions:
Eccentric reducers can withstand complex working conditions such as high temperature and high pressure, and are suitable for a variety of harsh environments.

Easy to install and save space:
Due to its special shape design, the eccentric reducer is easy to install and saves pipeline installation space, which is suitable for small installation environments.

 

5. Quality assurance:

The eccentric reducers we produce are designed and produced in strict accordance with domestic and international standards to ensure the excellent performance of each product in quality and performance. Before leaving the factory, we conduct comprehensive quality inspections on each eccentric reducer, including size, material, pressure test, etc., to ensure that it can meet customer needs.

6. Packaging and transportation:

Packaging: According to the size and quantity of the eccentric reducer, protective packaging methods such as wooden boxes, pallets, bubble films, etc. are used to ensure that the product is not damaged during transportation.
Transportation: We provide a variety of transportation methods such as sea transportation, air transportation, and land transportation, and deliver on time according to customer needs.

 

7. Precautions:

Inspection before installation:
When installing the eccentric reducer, be sure to check whether the contact surface of the pipe is smooth to ensure that the sealing effect is not affected.

Connection inspection:
After the eccentric reducer is installed, check whether the welding or flange connection of all joints is tight to ensure that there is no leakage.

Scope of application:
Eccentric reducers are suitable for medium and low pressure pipeline systems, especially in high-pressure pipeline systems that need to withstand high pressure.

Regular inspection:
During use, regularly check the sealing of the eccentric reducer and its joints to ensure that it maintains excellent working condition for a long time.

Production Process

Material Cutting

Medium Frequency Heat Forming

Calibration

Heat Treatment

Final Processing

Non-destructive Testing

Surface Treatment

Coating and Marking

Packaging and Delivery

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