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Pipe Fittings

Eccentric Reducer

  • Eccentric Design: Centerlines of both ends not on the same line, meeting special installation requirements
  • Prevents Gas/Liquid Entrapment: Effectively avoids air pockets or liquid pockets in pipes
  • Wide Application: Suitable for drainage, steam, condensate collection and other systems
  • Excellent Material: Manufactured using high-quality materials with corrosion resistance and high strength
  • High Dimensional Accuracy: Precision machined to ensure dimensional accuracy and interchangeability
  • Reliable Connection: Reliable connection with pipes with good sealing performance
Download Spec

Eccentric Reducer is a pipe fitting used to connect pipes of different diameters, characterized by having centerlines of both ends not on the same line, forming an eccentric structure. The product is mainly used in vertical or horizontal pipes when it is necessary to maintain alignment of pipe top or bottom. Eccentric reducers are widely used in drainage systems, steam systems, condensate collection systems and other applications, especially suitable for process flows requiring prevention of gas entrapment or liquid accumulation. The eccentric structure design can effectively avoid air pockets or liquid pockets in pipes, ensuring smooth fluid flow. The product is manufactured using high-quality carbon steel, stainless steel or alloy steel materials, undergo precision machining to ensure dimensional accuracy and surface quality. Eccentric reducers are strictly manufactured according to international and national standards such as ASME, ANSI, and GB, meeting various operating condition requirements.

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
ER-45S 45S Eccentric Reducer Thin-wall type, cost-effective
ER-80S 80S Eccentric Reducer Medium wall thickness, moderate strength
ER-160S 160S Eccentric Reducer Thick-wall type, high strength
ER-SW Socket Weld Eccentric 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.