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Dimension chart · ASME B16.9 · EN 10253-1

Butt-weld reducer DN 50 × DN 32 (2" × 1¼"): dimensions and references

Butt-weld reducer DN 50 × DN 32 (2" × 1¼"), OD 60.3 × 42.4 / 42.2 mm: the dimensions in both standards, wall, weight and the 12 available references.

ASME B16.9 and EN 10253-1 dimensions

Dimensioned drawing of a butt-weld concentric reducer
H: end-to-end length. OD1: large end, OD2: small end. T1: small end wall, T2: large end wall. Left, conical reducer; right, with rounded transitions.
ASME B16.9EN 10253-1
Large end OD (mm)60.360.3
Small end OD (mm)42.242.4
Length (mm)76 (H)form 2: 76 · form 1: 61
Wall large / small end (mm)STD 3.91 / 3.56 · XS 5.54 / 4.852.9 / 2.6 (S235)
Indicative weight (kg)STD 0.35 · XS 0.48form 2: 0.40 · form 1: 0.26

Dimensions in mm. Tolerances and definitions in the full chart.

The outside diameter is the same in both standards: 60.3 mm.

Available references

ReferenceStandardItemWallGradeFinishMake
RCS6042STDPASME B16.9Butt-weld concentric reducerSTDA234 WPBPaintedSeamless
RCS6042XSPASME B16.9Butt-weld concentric reducerXSA234 WPBPaintedSeamless
RES6042STDPASME B16.9Butt-weld eccentric reducerSTDA234 WPBPaintedSeamless
RES6042XSPASME B16.9Butt-weld eccentric reducerXSA234 WPBPaintedSeamless
R1S6042GEN 10253-1Butt-weld concentric reducer, Form 12.9 / 2.6S235GalvanizedSeamless
R1W6042GEN 10253-1Butt-weld concentric reducer, Form 12.9 / 2.6S235GalvanizedWelded
R1S6042NEN 10253-1Butt-weld concentric reducer, Form 12.9 / 2.6S235BlackSeamless
R1W6042NEN 10253-1Butt-weld concentric reducer, Form 12.9 / 2.6S235BlackWelded
R2S6042GEN 10253-1Butt-weld concentric reducer, Form 22.9 / 2.6S235GalvanizedSeamless
R2W6042GEN 10253-1Butt-weld concentric reducer, Form 22.9 / 2.6S235GalvanizedWelded
R2S6042NEN 10253-1Butt-weld concentric reducer, Form 22.9 / 2.6S235BlackSeamless
R2W6042NEN 10253-1Butt-weld concentric reducer, Form 22.9 / 2.6S235BlackWelded

12 references of this size in the catalog. Click a reference for its page and to add it to your quote.

See the whole catalog → All references of the family

Other sizes

Frequently asked questions

How long is a 2" × 1¼" reducer?

76 mm to ASME B16.9, concentric or eccentric. To EN 10253-1 form 2: 76 mm.

Which finishes are available for this fitting?

In the catalog: black, galvanized, painted. EN 10253-1 fittings in S235 come black or galvanized; ASME B16.9 fittings in A234 WPB are delivered painted.