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Pipe Fittings

Concentric Reducer

  • Concentric Design: Centerlines of both ends on the same line with low fluid resistance
  • Smooth Transition: Achieves smooth connection between different pipe diameters
  • Low Pressure Loss: Concentric structure with relatively low pressure loss
  • Wide Application: Suitable for multiple pipeline systems and operating conditions
  • Excellent Material: Manufactured using high-quality materials with corrosion resistance and high strength
  • High Dimensional Accuracy: Precision machined to ensure dimensional accuracy and interchangeability
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Concentric Reducer is a pipe fitting used to connect pipes of different diameters, characterized by having centerlines of both ends on the same line, forming a concentric structure. The product is widely used in various pipeline systems to achieve smooth transition connections between different pipe diameters, ensuring continuous flow of fluid in the pipeline. Concentric reducers play an important role in pipeline systems in industries such as petrochemical, power, HVAC, and water supply and drainage, especially in situations requiring changes in pipe diameter without changing the pipe centerline position. The concentric structure design results in relatively low fluid resistance and low pressure loss, suitable for operating conditions with strict pressure loss requirements. The product is manufactured using high-quality carbon steel, stainless steel or alloy steel materials, undergoes precision machining to ensure dimensional accuracy and surface quality.

Technical Standards

Item Technical Standard
Material Carbon Steel, Stainless Steel, Alloy Steel
Pressure Rating Sch5S-Sch160
Size Range 1/2"-48" (DN15-DN1200)
Temperature Range -29℃ to +538℃
Connection Type Butt-weld, Socket-weld, Threaded Connection
Manufacturing Standard ASME B16.9, ASME B16.28, GB/T 12459
Inspection Standard ASME B16.9, GB/T 13927
Surface Treatment Anti-corrosion coating, galvanized, passivated treatment

Basic Models

Model Type Features
CR-45S 45S Concentric Reducer Thin-wall type, cost-effective
CR-80S 80S Concentric Reducer Medium wall thickness, moderate strength
CR-160S 160S Concentric Reducer Thick-wall type, high strength
CR-SW Socket Weld Concentric Reducer Socket welding, easy installation

Main Components Material Table

No. Part Name Material
1 Fitting Body A234 WPB, A403 WP304, A403 WP316
2 Welding End Face Same as fitting body
3 Surface Treatment Anti-corrosion paint, galvanized coating
4 Reinforcement Structure Same as fitting body
5 Identification Marking Laser marking or cast lettering

No drawing available.