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ASME B16.9 BW Reducer Carbon Steel Fitttings

ASME B16.9 BW reducer used the most used standard for butt welded fittings.arbon steel fittings are used in many applications because of its great excellent functions.BW reducers can be concentric (COC) reducer and eccentric (ECC) reducer.These reducers have same functions,the only difference is the internal structure.

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Content

ASME B16.9 BW reducer is always used to transport fliud or gas,ASME B16.9 is the most used standard.Carbon steel fittings are widely used in many industries because of the great functions.

The two ends of concentric reducer are designed with large diameter and small diameter, and the pipe is connected through conical transition section on the same axis.

Product features

Concentric reducers will change kindly between the pump and piping.
Concentric reducers are tapered and are used when the diameter between pipes changes.
Concentric reducers provide an in-line conical transition between pressurized pipes of different diameters.
The length dimension of the reducer is almost equal to the average of the big bore and smaller bore pipe diameters.

SPECIFICATION

Shape	Reducer
Size Range	1/2″ – 80″ / DN15 – 2000
Thickness Schedule	SCH 10,SCH 10S, SCH 20, SCH 40,SCH 40S, STD, XS,SCH 80, SCH 80S, SCH 100, SCH 120, SCH 160, XXS
China Standard	GB/T12459, GB/T13401, HG/T21635/21631, SH3408/3409
America Standard	ANSI / ASME B16.9 / MSS SP 43
apan Standard	JIS B2311/2312/2313
Europe Standard	EN10253
Carbon Steel	Q235, 20#, 35#, 45#, 20G,ASTM A234 WPB/WPC
Low Temp Carbon Steel	Q345B, 16Mn, ASTM A420 WPL6
Pipeline Steel	ASTM A860 WPHY 42 / 46 / 56 / 60 / 65
Alloy Steel	ASTM A234 WP11 / WP12 / WP 5 / WP9 / WP91 / WP92,15CrMoG, 12Cr1MoVG, 12Cr5Mo, 1Cr5Mo, Cr9Mo, 10CrMo910, 12CrMo4-5
Stainless Steel	ASTM A403 WP304/304L/304H, 316/316L, 310S, 321, 317,347,904L
Duplex Stainless Steel	ASTM A815 S32205, S31803, 32750, 32760

ECC Reducer VS COC Reducer

The joint effect of the two is that the diameter change needs to change from one specification to another.
Concentric reducer is conducive to fluid flow, and the interference to fluid flow state is small when the diameter is reduced. Therefore, concentric reducers are used for gas and vertical flow liquid pipelines;
One side of the eccentric reducer is flat, which is convenient for exhaust or liquid discharge, startup and maintenance. Therefore, eccentric reducer is generally used for horizontal liquid pipeline.

Applications

Concentric reducers are easy to transport mud and grinding fluid and are suitable for corrosive operations
Concentric reducers are used to connect pipe segments or pipe segments on the same axis.
Concentric reducers are beneficial to use where different ratings and to wear protection is required in conveying between flangesor pipes.
Concentric reducers are perfectly suitable to use in the exclusion of the pump.

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