Specifications
Application
A flexible hose for the transport of acetylene.
For welding and cutting, for arc welding under protective gas and related processes.
Also suitable for hydrogen, coal gas and carbon dioxide, argon, nitrogen for welding and cutting (not suitable for LPG, MPS and CNG).
Standard/Approval
ISO 3821:2019 (formerly EN 559:2003).
Temperature range
-30°C / +70°C.
Safety factor
3 : 1
Tube
EPDM, black, smooth.
Reinforcement
Textile spiral.
Cover
EPDM, red, ribbed, DN >12 smooth.
Marking
continuous inkjet, black letters: "SEMPERIT (S) GAC ISO 3821 (EN 559) PN 2 MPa (20 bar) ID x OD -30°C YYYY MADE IN EU //////".
Notice
Smooth cover available on request.
Also available in 40 m lengths.
Technical details
| Article number | Internal-Ø | Wall width | External-Ø | Work. pressure (max.) | Number of inserts | Bending radius (min.) | Weight approx. | Coil length (max.) | |
|---|---|---|---|---|---|---|---|---|---|
| mm | inch | mm | mm | bar | mm | kg/m | m | ||
| 68400 0435 | 4.0 | 3.5 | 11.0 | 20 | 2 | 40 | 0.11 | 50 | |
| 68400 0535 | 5.0 | 3/16 | 3.5 | 12.0 | 20 | 2 | 40 | 0.15 | 50 |
| 68400 0630 | 6.3 | 3.0 | 12.3 | 20 | 2 | 40 | 0.12 | 50 | |
| 68400 0635 | 6.3 | 1/4 | 3.5 | 13.3 | 20 | 2 | 40 | 0.15 | 50 |
| 68400 0830 | 8.0 | 3.0 | 14.0 | 20 | 2 | 40 | 0.14 | 50 | |
| 68400 0835 | 8.0 | 5/16 | 3.5 | 15.0 | 20 | 2 | 40 | 0.18 | 50 |
| 68400 0930 | 9.0 | 3.0 | 15.0 | 20 | 2 | 45 | 0.16 | 50 | |
| 68400 0935 | 9.0 | 3.5 | 16.0 | 20 | 2 | 45 | 0.19 | 50 | |
| 68400 1030 | 10.0 | 3.0 | 16.0 | 20 | 2 | 50 | 0.17 | 50 | |
| 68400 1035 | 10.0 | 3/8 | 3.5 | 17.0 | 20 | 2 | 50 | 0.21 | 50 |
| 68400 1250 | 12.5 | 1/2 | 5.0 | 22.5 | 20 | 2 | 65 | 0.40 | 50 |
| 68400 1650 | 16.0 | 5/8 | 5.0 | 26.0 | 20 | 2 | 80 | 0.47 | 50 |
| 68400 2050 | 20.0 | 5.0 | 30.0 | 20 | 2 | 100 | 0.58 | 50 | |
| 68400 2550 | 25.0 | 1 | 5.0 | 35.0 | 20 | 2 | 125 | 0.70 | 50 |
