Press copper reducing fittings (pipe–pipe)
- Standard EN 1254-1 (fittings), EN 1057 (copper tubes)
- Compound Copper CW024A
Specifications:
- Temperature: up to +110 °C
- Pressure: up to 16 bar
Typical dimensions for 22×15 mm reducer:
- D1/D2 (pipes): 22 mm and 15 mm
- L1/L2 (insertion length): ~25 mm and ~20 mm
- Total fitting length: ~45 mm
- Seal: EPDM (water), HNBR (gas)
| Larger × Smaller diameter, mm | Designation | Application |
| 18 × 15 | Reducer 18/15 | Bathrooms, apartments |
| 22 × 15; 22 × 18 | Reducer 22/15; 22/18 | Connection to radiators |
| 28 × 15; 28 × 18; 28 × 22 | Reducer 28/15; 28/18; 28/22 | Floor distribution systems |
| 35 × 22; 35 × 28 | Reducer 35/22; 35/28 | Collectors, heating units |
| 42 × 28; 42 × 35 | Reducer 42/28; 42/35 | Industrial facilities |