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

Butt-weld reducer DN 125 × DN 100 (5" × 4"): dimensions and references

Butt-weld reducer DN 125 × DN 100 (5" × 4"), OD 139.7 / 141.3 × 114.3 mm: the dimensions in both standards, wall, weight and the 8 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)141.3139.7
Small end OD (mm)114.3114.3
Length (mm)127 (H)form 2: 127 · form 1: 88 (not in catalog)
Wall large / small end (mm)STD 6.55 / 6.02 · XS 9.53 / 8.564.0 / 3.6 (S235)
Indicative weight (kg)STD 2.50 · XS 3.55form 2: 2.50

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

Mind the outside diameter: 139.7 mm to EN 10253-1 (EN 10220 series), 141.3 mm to ASME B16.9 (ASME B36.10 series). Choose the fitting in the series of the pipe.

Available references

ReferenceStandardItemWallGradeFinishMake
RCS141114STDPASME B16.9Butt-weld concentric reducerSTDA234 WPBPaintedSeamless
RCS141114XSPASME B16.9Butt-weld concentric reducerXSA234 WPBPaintedSeamless
RES141114STDPASME B16.9Butt-weld eccentric reducerSTDA234 WPBPaintedSeamless
RES141114XSPASME B16.9Butt-weld eccentric reducerXSA234 WPBPaintedSeamless
R2S139114GEN 10253-1Butt-weld concentric reducer, Form 24.0 / 3.6S235GalvanizedSeamless
R2W139114GEN 10253-1Butt-weld concentric reducer, Form 24.0 / 3.6S235GalvanizedWelded
R2S139114NEN 10253-1Butt-weld concentric reducer, Form 24.0 / 3.6S235BlackSeamless
R2W139114NEN 10253-1Butt-weld concentric reducer, Form 24.0 / 3.6S235BlackWelded

8 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 5" × 4" reducer?

127 mm to ASME B16.9, concentric or eccentric. To EN 10253-1 form 2: 127 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.