Reducer distribution characteristics

Eccentric different-diameter pipe is a kind of pipe fitting used for reducing the diameter of the pipe. The commonly used forming technology is reducing diameter pressing, expanding diameter pressing or reducing diameter and expanding diameter pressing, and reducing the diameter of certain specifications. The tube can also be stamped and formed.

Eccentric reducers In addition to using steel pipes as raw materials to produce different diameter pipes, some types of different diameter pipes can also be produced using stamping process. The shape of the die to be used for the drawing is determined by referring to the inner surface of the different-diameter pipe, and the steel plate after punching is stamped and stretch-formed using a die.

Structural features

Eccentric reducers are made of carbon steel, which means that the method is a large head diameter multiplied by the head diameter times the thickness.

Eccentric different diameter pipe standard: GB standard British standard and various non-standard high pressure stamping.

The process of reducing the diameter of the eccentric reducer is to put the tube blank with the same diameter as the major diameter of the different diameter tube into the forming die. By pressing along the axial direction of the blank tube, the metal moves along the cavity and shrinks and forms. According to the size of the reducer, it can be divided into one press forming or multiple press forming.

Eccentric reducers feature a significantly higher strength than carbon steels with the same carbon content, good toughness and ductility, and good weldability and corrosion resistance.


1. When the flow of fluid in the pipeline changes, such as increasing or decreasing, if the flow rate requirement does not change much, reducers must be used.

2. In order to prevent cavitation at the inlet of the pump, it is necessary to use a different diameter pipe.

3, with the instrument, such as flow meters, regulating valve joints, in order to fit with the meter's connector, also need to use different diameter pipe.

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