Dimension chart · ASME B16.9 · EN 10253-1
Butt-weld reducer DN 40 × DN 20 (1½" × ¾"): dimensions and references
Butt-weld reducer DN 40 × DN 20 (1½" × ¾"), OD 48.3 × 26.9 / 26.7 mm: the dimensions in both standards, wall, weight and the 12 available references.
ASME B16.9 and EN 10253-1 dimensions
| ASME B16.9 | EN 10253-1 | |
|---|---|---|
| Large end OD (mm) | 48.3 | 48.3 |
| Small end OD (mm) | 26.7 | 26.9 |
| Length (mm) | 64 (H) | form 2: 64 · form 1: 67 |
| Wall large / small end (mm) | STD 3.68 / 2.87 · XS 5.08 / 3.91 | 2.6 / 2.3 (S235) |
| Indicative weight (kg) | STD 0.20 · XS 0.26 | form 2: 0.24 · form 1: 0.12 |
Dimensions in mm. Tolerances and definitions in the full chart.
The outside diameter is the same in both standards: 48.3 mm.
Available references
| Reference | Standard | Item | Wall | Grade | Finish | Make |
|---|---|---|---|---|---|---|
| RCS4826STDP | ASME B16.9 | Butt-weld concentric reducer | STD | A234 WPB | Painted | Seamless |
| RCS4826XSP | ASME B16.9 | Butt-weld concentric reducer | XS | A234 WPB | Painted | Seamless |
| RES4826STDP | ASME B16.9 | Butt-weld eccentric reducer | STD | A234 WPB | Painted | Seamless |
| RES4826XSP | ASME B16.9 | Butt-weld eccentric reducer | XS | A234 WPB | Painted | Seamless |
| R1S4826G | EN 10253-1 | Butt-weld concentric reducer, Form 1 | 2.6 / 2.3 | S235 | Galvanized | Seamless |
| R1W4826G | EN 10253-1 | Butt-weld concentric reducer, Form 1 | 2.6 / 2.3 | S235 | Galvanized | Welded |
| R1S4826N | EN 10253-1 | Butt-weld concentric reducer, Form 1 | 2.6 / 2.3 | S235 | Black | Seamless |
| R1W4826N | EN 10253-1 | Butt-weld concentric reducer, Form 1 | 2.6 / 2.3 | S235 | Black | Welded |
| R2S4826G | EN 10253-1 | Butt-weld concentric reducer, Form 2 | 2.6 / 2.3 | S235 | Galvanized | Seamless |
| R2W4826G | EN 10253-1 | Butt-weld concentric reducer, Form 2 | 2.6 / 2.3 | S235 | Galvanized | Welded |
| R2S4826N | EN 10253-1 | Butt-weld concentric reducer, Form 2 | 2.6 / 2.3 | S235 | Black | Seamless |
| R2W4826N | EN 10253-1 | Butt-weld concentric reducer, Form 2 | 2.6 / 2.3 | S235 | Black | Welded |
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
Reducers
Frequently asked questions
How long is a 1½" × ¾" reducer?
64 mm to ASME B16.9, concentric or eccentric. To EN 10253-1 form 2: 64 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.