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Concentric Reducer Black Paint Seamless Buttweld

The Center point of the circle at both ends of the tube are on the same straight line are called concentric reducers. The Concentric reducer (reducing pipe) is a pipe fitting used for the diameter of the pipe. The commonly used forming process is reducing diameter pressing, expanding diameter pressing or reducing diameter plus expanding diameter pressing, and stamping forming can also be used for reducing diameter pipes of certain specifications.

Concentric Reducer Black Paint Seamless Buttweld Dimensions

SizeO.D   at BevelHSizeO.D   at BevelH
Large EndSmall EndLarge EndSmall End
3/4"x1/2"26.721.3385x3 1/2"141.3101.6127
3/4"x3/8"26.717.3385x3"141.388.9127
1x3/4"33.416.7515x2 1/2"141.373127
1x1/2"33.421.3515x2"141.360.3127
1 1/4x1"42.233.4516x5"168.3141.3140
1   1/4x3/4"42.226.7516x4"168.3114.3140
1   1/4x1/2"42.221.3516x3 1/2"168.3101.6140
1 1/2x1   1/4"48.342.2646x3"168.388.9140
1 1/2x1"48.333.4646x2 1/2"168.373140
1   1/2x3/4"48.326.7648x6"219.1168.3152
1   1/2x1/2"48.321.3648x5"219.1141.3152
2x1 1/2"60.348.3768x4"219.1114152
2x1 1/4"60.342.2768x3 1/2"219.1101.6152
2x1"60.333.47610x8"273219.1178
2x3/4"60.326.77610x6"273168.3178
2 1/2x2"7360.38910x5"273141.3178
2 1/2x1   1/2"7348.38910x4"273114.3178
2 1/2x1   1/4"7342.28912x10"323.8273203
2 1/2x1"7333.48912x8"323.8219.1203
3x2 1/2"88.9738912x6"323.8168.3203
3x2"88.960.38912x5"323.8141.3203
3x1 1/2"88.948.38914x12"355.6323.8330
3x1 1/4"88.942.28914x10"355.6273330
3 1/2x3"101.688.910214x8"355.6219.1330
3 1/2x2   1/2"101.67310214x6"355.6168.3330
3 1/2x2"101.660.310216x14"406.4355.6356
3 1/2x1   1/2"101.648.310216x12"406.4323.8356
3 1/2x1   1/4"101.642.210216x10"406.4273356
4x3 1/2"114.3101.610216x8"406.4219.1356
4x3"114.388.910218x16"457406.4381
4x2 1/2"114.37310218x14"457355.6381
4x2"114.360.310218x12"457323.8381
4x1 1/2"114.348.310218x10"457273381
5x4"141.3114.3127


Concentric Reducer Black Paint Seamless/Welded VS Eccentric Reducer

1. Standard (Similarity):

Both concentric reducer black paint and eccentric reducer manufacture standard can be ASME B16.9,ASME B16.28,MSS SP-43,MSS SP-75 JIS B2311,DIN2605/2615/2616/2617,GOST 17375/17376/17378/17379,ISO

2 Wall Thickness (Similarity):

Both concentric reducer black paint and eccentric reducer wall thickness can be SCH10/10S, SCH20/the 20S, STD, SCH40/40S, XS,SCH80, XXS ETC.(for ANSI), SGP(for JIS)

3. Range of Applications (Similarity):

Size: 1/2"-48"(DN15-DN1200), or even bigger

Finishing: Black, Vanish, Oiled, Galvanized.

Connection type: Butt Welding.

4. Installation (Similarity):

Both concentric and eccentric reducers play a role in reducing diameter, and the connection mode is the same. 

Concentric Reducer Black Paint Seamless Buttweld FAQs

Q What is the Difference Between Concentric and Eccentric Reducers?
A.

A concentric reducer is symmetrical: both ends are aligned along the center.


An eccentric reducer is not symmetrical: ends are off center of one another.

Q What is the Surface Treatment for Carbon Steel Buttweld Fittings?
A.

Painting, oiled, galvanized.

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