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Mild Steel Reducer Socket

Concentric and eccentric reducers for smooth pipe size transitions

Last updated: 2026-05

Overview

MS reducer sockets are pipe fittings used to connect pipes of different diameters, enabling smooth transitions in piping systems. Available in concentric (conical, centered) and eccentric (offset) configurations, they ensure efficient flow management when changing pipe sizes.

Features

  • Connects pipes of different diameters
  • Concentric and eccentric configurations
  • Smooth internal transition for efficient flow
  • Good weldability and machinability
  • Cost-effective size transition solution

Specifications

MaterialMild Steel
TypesConcentric Reducer, Eccentric Reducer
Size Range½ inch to 24 inches
ConnectionButt Weld
StandardsASME B16.9

Applications

Pump Systems

Suction and discharge piping size transitions

Process Piping

Equipment connection size changes

Water Treatment

Filter and treatment system connections

HVAC

Duct and pipe size transitions

FAQ

Concentric reducers have a symmetrical, cone-shaped design where both the top and bottom of the pipe converge equally toward the smaller diameter. They are used in vertical piping applications where the reducer sits in a vertical run and gravity does not create separation issues, and in situations where aesthetic symmetry is desired such as exposed piping in visible areas. Concentric reducers are also standard for pump discharge piping where the flow is already pressurized. Eccentric reducers have an offset design where one side of the reducer remains flat or level. In horizontal piping, an eccentric reducer installed with the flat side up prevents air or vapor accumulation at the high point, which is critical for pump suction lines to avoid cavitation. Installed with the flat side down, eccentric reducers prevent sediment or solids from settling at the low point, which is important for slurry, sludge, and drainage applications.

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