JIS B2311 butt weld concentric reducer

Reducers have large head and small head. Depending on centerline, there are butt weld concentric reducer and butt weld eccentric reducer. The materials of reducer include carbon, alloy and stainless steel. There are also many kinds of manufacture standard, such as JIS,ASME, EN, BS, DIN, GOST, GB. JIS B2311 is a standard for butt weld pipe fittings for ordinary use.

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butt weld pipe reducer concentric

JIS B2311 concentric reducer

Product specifications for pipe reducer

1.Type: concentric(CON.) & eccentric(ECC.)

2.Outside diameter(OD):1/2``-24``(seamless); 26``-96``(welded)

3.Wall thickness(WT):SCH5-XXS

4.Standard: JIS B2311 ASME B16.9, ASME B16.25, MSS SP75, MSS SP43, EN10253, BS1640, BS1965, DIN2616 etc