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Concentric reducer
Concentric reducers (also called concentric pipe fittings or concentric pipe transition joints) are a type of connection fittings commonly used in pipeline systems. They are mainly used to connect pipes of different diameters and have the function of transitioning fluids from one pipe to another. Unlike eccentric reducers, the centers of the two pipe ports of concentric reducers are located on the same straight line, so "concentric" means that its inner and outer walls and axis are collinear. It is usually used in various pipeline connections and can smoothly change the diameter of the pipeline to ensure stable delivery of the fluid. Concentric reducers are widely used in the fields of petroleum, chemical industry, electric power, metallurgy, water supply and drainage, shipbuilding, etc., especially in places where pipeline size transition is required, such as the connection of fluid pipelines and gas pipelines.
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1. Product Features:
Smooth fluid flow:
The design of the concentric reducer can ensure smooth transition of the fluid, reduce fluid resistance and flow instability, and avoid fluid turbulence.
Reduce pressure loss:
The design of the concentric reducer helps to optimize the fluid flow path, avoid sharp deformation in fluid flow, reduce pipeline pressure loss, and improve transportation efficiency.
Wide range of applications:
The concentric reducer is suitable for the transition of pipeline sizes in the same direction, suitable for environments where the centerline symmetry of the pipeline needs to be maintained, and is especially suitable for medium and low pressure systems.
Corrosion resistance:
Made of corrosion-resistant materials (such as stainless steel, alloy steel, carbon steel, etc.), the concentric reducer can effectively deal with corrosive fluids and extend the service life of the pipeline.
High strength, pressure resistance and durability:
The materials commonly used in concentric reducers can withstand high pressure and temperature, ensuring the long-term stable operation of the pipeline system.
Easy installation:
The concentric reducer adopts common connection methods, such as welding, flange connection, threaded connection, etc., which is easy to install and suitable for different types of pipeline connection needs.
2. Technical parameters:
Material | Carbon steel, stainless steel, alloy steel, nickel-based alloy, etc. |
Specification | DN15 ~ DN1200 (1/2" ~ 48"), can be customized according to customer needs |
Pressure level | PN6 ~ PN250, suitable for medium and low pressure piping systems |
Temperature range | -50°C ~ 450°C (depending on materials and working conditions) |
standard | Comply with international standards such as GB, ANSI, DIN, JIS, ASME, etc. |
Connection | Welding, flanges, clamps, etc. |
Surface treatment | Spraying, galvanizing, phosphating, etc. |
Design | Concentric design, smooth transition between the inner and outer diameters of the circular interfaces at both ends of the pipe |
3. Application areas:
Petroleum and natural gas industry:
Concentric reducers are often used in oil and natural gas pipelines, especially in the size transition stage of fluid pipelines, to ensure smooth and stable fluid transportation.
Chemical industry:
In the pipeline system of chemical plants, concentric reducers can effectively connect pipelines of different diameters, especially in chemical reactions and transportation, to maintain the smoothness and safety of the pipeline system.
Power industry:
Concentric reducers are widely used in pipeline connections in power plants, used to connect boiler pipelines, steam pipelines, etc., to maintain smooth flow of fluids and improve system efficiency.
Metallurgical industry:
In the metallurgical industry, concentric reducers are used to connect pipelines such as steel production lines and furnace bodies, which can withstand high temperature and high pressure environments and ensure long-term stable operation of the pipeline system.
Shipbuilding industry:
In the shipbuilding process, concentric reducers are used to connect different pipe diameters of ship pipeline systems to ensure the sealing of ship pipelines and the stability of fluid transportation.
Municipal pipelines:
In municipal water supply and drainage pipeline systems, concentric reducers are used for pipeline size transition, which is suitable for the construction and maintenance of various urban infrastructure.
4. Advantages:
High-efficiency fluid delivery:
The fluid transition design of the concentric reducer helps to reduce the resistance in the fluid flow and maintain efficient delivery.
Reduce energy loss:
Due to its smooth design, the concentric reducer can effectively reduce the pressure loss and energy loss of the fluid and improve the delivery efficiency of the system.
Easy to install and maintain:
The concentric reducer has a simple connection method, easy installation, and can be quickly disassembled for inspection or replacement when necessary.
High temperature and high pressure resistance:
The concentric reducer can withstand high temperatures and pressures and adapt to a variety of harsh working environments, especially suitable for high-temperature steam pipelines, liquid delivery systems, etc.
Corrosion resistance and wear resistance:
According to the requirements of different fluid media, suitable corrosion-resistant materials are selected to ensure the long-term use of the concentric reducer in harsh environments.
5. Quality assurance:
The concentric reducers we produce are designed and produced in strict accordance with domestic and international standards to ensure that they reach the industry-leading level in terms of pressure resistance, temperature resistance and corrosion resistance. Each product will undergo strict quality inspection before leaving the factory, including material testing, dimensional accuracy testing, pressure testing, etc., to ensure that each product meets the design requirements and customer usage needs.
6. Packaging and transportation:
Packaging: Concentric reducers are packed in wooden boxes, pallets, bubble films, etc. according to size and quantity to ensure that they are not damaged during transportation.
Transportation: We provide a variety of transportation methods such as sea, air, and land transportation to ensure on-time delivery according to customer needs.
7. Precautions:
Inspect before installation:
Before installation, check whether the concentric reducer and pipe interface are clean to ensure that the sealing effect is not affected.
Connection method:
Select a suitable connection method (welding, flange, etc.) during installation, and ensure that each connection point is firm.
Regular inspection:
During use, the connection parts of the concentric reducer should be checked regularly to ensure that there is no leakage or looseness.
Applicable pressure range:
Concentric reducers are suitable for medium and low pressure pipeline systems. In high pressure environments, more pressure-resistant materials and structures should be selected.
8. Summary:
As an important connection fitting in the pipeline system, the concentric reducer can effectively connect pipelines of different sizes through its smooth transition design, ensuring the smoothness of fluid transportation and the efficient operation of the system. Its excellent high temperature resistance, corrosion resistance, and strong pressure resistance make it widely used in many industries such as petroleum, chemical industry, electric power, and metallurgy.
Production Process
Material Cutting
Medium Frequency Heat Forming
Calibration
Heat Treatment
Final Processing
Non-destructive Testing
Surface Treatment
Coating and Marking
Packaging and Delivery