Product Series
DUS
- Code:DUS
- Pressure≤(MPa)：25
- Speed≤(m/s)：0.5
- Temp.Range℃:-30/+80
- Material:PU/NBR
- Medium:Mineral oil based hydraulic fluids, barely flammable hydraulic fluids, water,air and others.
- Application:Hydraulic cylinders Mobile hydraulics Industrial hydraulic
| Application Range | |||||||
| TYPE | DWG |
Pressure (MPa) |
Temperature(℃) | Sliding speed (m/s) |
Features |
Medium |
Standard or can fit the groove |
| DUI |
|
40 | -30…+80 | 0.5 |
Standard design,with shortened inner lip,can absorb defflections |
Mineral oil based hydraulic fluids, barely flammable hydraulic fluids, water,air and others. |
GB/T10708.1 RU0 IDI |
| DUR |
|
40 | -30…+80 | 0.5 |
Heavy duty,two sealing lips and back up ring |
ISO 5597/1 RU3 |
|
| DUC |
|
40 | -30…+80 | 0.5 |
Heavy duty,two sealing lips and back up ring |
ISO 5597/1 RU3B |
|
| DUA |
|
40 | -30…+80 | 0.5 |
Design for small groove |
ISO 5597/1 RU1 ISI |
|
| DUZ |
|
40 | -30…+80 | 0.5 |
Design for small groove, two sealing lips |
ISO 5597/1 RU2 |
|
| DUB |
|
50 | -30…+80 | 0.5 |
Design for small groove,two sealing lips with back up ring |
ISO 5597/1 RU2B |
|
| DUL |
|
40 | -30…+80 | 0.5 |
Has hydrodynamic back-pumping ability |
ISO 5597/1 RLS/RLM | |
| DUS |
|
25 | -30…+80 | 0.5 |
Can fit in the same DSJ@DSH housings,which is ISO standard,mainly as a secondary seal,see DSJ@DSH for groove size |
ISO 7425/2 GB/T15242.3 RU6 |
|
| Material | |
| Seal | Back-UP Ring |
| PU | POM/PTFE/PA |
| Pressure | 160bar | 250bar | 400bar |
| Max Gap E | E≤0.6mm | E≤0.4mm | E≤0.3mm |
Order Example for standard version:
Rod Diameter d=100mm
Groove Diameter D=120mm
Seal Width H=12mm Type DUR
Order Code: DUR 100*120*12
Installation Dimension table based on Metric Size
| d h9 | D H10 | L+0.2 | H | C≥ |
| 20~50 | d+8 | 6.3 | 5.7 | 3 |
| 20~50 | d+10 | 6.3 | 5.7 | 3.5 |
| 20~100 | d+8 | 7 | 6 | 3 |
| 20~150 | d+8 | 7.5 | 6.5 | 3 |
| 20~150 | d+10 | 7.5 | 6.5 | 3.5 |
| 20~100 | d+10 | 8 | 7.2 | 3 |
| 20~150 | d+10 | 8 | 7.2 | 3.5 |
| 20~150 | d+8 | 8.5 | 7.5 | 3 |
| 20~150 | d+10 | 8.5 | 7.5 | 3.5 |
| 20~200 | d+8 | 9 | 8 | 3 |
| 20~50 | d+10 | 9 | 8 | 3.5 |
| 20~100 | d+8 | 10 | 9 | 3 |
| 20~100 | d+10 | 10 | 9 | 3.5 |
| 20~100 | d13 | 10.5 | 9.5 | 5 |
| 20~200 | d+10 | 11 | 10 | 3.5 |
| 20~150 | d+15 | 11 | 10 | 5 |
| 20~200 | d+8 | 12.5 | 11.5 | 3 |
| 20~200 | d+10 | 12.5 | 11.5 | 3.5 |
| 20~200 | d+15 | 12.5 | 11.5 | 5 |
| 20~200 | d+10 | 13 | 12 | 3.5 |
| 50~200 | d+15 | 13 | 12 | 5 |
| 20~250 | d+20 | 13 | 12 | 6.5 |
| 20~150 | d+20 | 14.5 | 13.5 | 6.5 |
| 50~200 | d+10 | 15 | 14.3 | 3.5 |
| 50~250 | d+20 | 16 | 15 | 6.5 |
| 100~300 | d+25 | 16 | 15 | 7 |
| 100~300 | d+30 | 19 | 18 | 7 |
| 100~300 | d+25 | 20 | 19 | 7 |