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Stainless Steel Butt Weld Eccentric Reducer

Stainless steel butt weld eccentric reducers are a type of pipe reducer. The diameters of the two ends of the pipes are different, and the centers of the circles are not on the same axis. They are ...
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Stainless steel butt weld eccentric reducers are a type of pipe reducer. The diameters of the two ends of the pipes are different, and the centers of the circles are not on the same axis. They are mainly used to connect pipes of different diameters. They play a role of transition and diameter reduction in the pipeline system, and at the same time adapt to the special needs of different pipeline layouts.
Stainless steel butt weld eccentric reducers are widely used in various industrial fields, such as petroleum, chemical industry, electric power, metallurgy, shipbuilding, etc. In these fields, the pipeline system is usually very complex and requires connecting pipes of various diameters and directions.

BW Eccentric Reducer Fitting Specifcation

Size Range3/4″ – 60″ / DN20 – 1500
Thickness ScheduleSCH 10 – SCH 80, SCH 160, XXS
America StandardANSI / ASME B16.9 / MSS SP 43
Japan StandardJIS B2311/2312/2313
Germany StandardDIN2605/2615/2616/2617
Europe StandardEN10253
Carbon SteelQ235, 20#, 35#, 45#, 20G,ASTM A234 WPB/WPC
Low Temp Carbon SteelQ345B, 16Mn, ASTM A420 WPL6
Pipeline SteelASTM A860 WPHY 42 / 46 / 56 / 60 / 65
Alloy SteelASTM A234 WP11 / WP12 / WP 5 / WP9 / WP91 / WP92,

15CrMoG, 12Cr1MoVG, 12Cr5Mo, 1Cr5Mo, Cr9Mo, 10CrMo910, 12CrMo4-5

Stainless SteelASTM A403 WP304/304L/304H, 316/316L, 310S, 317, 347, 904L

ASME B16.9 Eccentric Reducer Dimensions

Eccentric Reducer

OD1OD2END TO END
NPSNPSH
3/43/8 – 1/238
11/2 – 3/451
1 1/41/2 – 151
1 1/21/2 – 1 1/464
23/4 – 1 1/276
2 1/21 – 289
31 1/4 – 2 1/2102
42 – 3 1/2102
52 – 4127
62 1/2 – 5140
83 1/2 – 6152
104 – 8178
125 – 10203
146 – 12330
166 – 14356
188 – 16381
2010 – 18508
2212 – 20508
2412 – 22508
2612 – 24610
2814 – 26610
3014 – 28610
3220 – 30610
3422 – 32610
3622 – 34610
3824 – 36610
4028 – 38610
4228 – 40610
4432 – 42610
4634 – 44711
4836 – 46711
5240 – 48711
5640 – 52711
6044 – 56711

Application of Stainless Steel Butt Weld Eccentric Reducer

Eccentric reducers are the first choice for horizontal pipelines. Their ability to prevent the formation of air or cavitation is essential for systems that transport dense or mixed fluids. In some chemical process pipelines, there may be gas-liquid two-phase flow or liquid accumulation. The eccentric reducer can guide the accumulated liquid to a specific collection location through a reasonable installation direction to prevent the accumulated liquid from clogging the pipeline at the point where the pipe diameter changes.

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