PADV 70X84X8X11Polyurethane press-in wiper seal with double lips, a vent hole and a steel retaining ring
Hydraulic wiper seals prevent contaminants from entering a cylinder assembly and hydraulic system. PADV seals are polyurethane press-in wiper seals with a steel retaining ring. They have a double-lip design that regulates the lubrication film on the rod. A vent hole in the internal-facing wiper lip prevents pressure build-up. Double-acting wipers improve the performance and extend the service life of rod sealing systems.
Dimensions
| d |
70 mm
|
Rod diameter |
|---|---|---|
| D |
84 mm
|
Housing groove diameter |
| L |
8.5 mm
|
Housing groove width |
| S |
7 mm
|
Radial depth |
| R |
max. 0.8 mm
|
Groove radius |
| C |
min. 5 mm
|
Lead-in chamfer length on rod |
| C1 |
min. 0.7 mm
|
Lead-in chamfer length in housing |
| C1 |
max. 1 mm
|
Lead-in chamfer length in housing |
| H |
8 mm
|
Seal width in housing |
| H2 |
11 mm
|
Total seal width |
|
tol d Tolerance for rod diameter is determined by the rod seal.
|
||
| tol D |
0.054 mm
|
Upper limit deviation |
|---|---|---|
|
0 mm
|
Lower limit deviation | |
|
H10
|
Tolerance class for housing diameter | |
| tol L |
0.5 mm
|
Upper limit deviation |
|
0 mm
|
Lower limit deviation | |
Materials
| Primary sealing element |
Polyurethane (TPU W93)
|
Operating conditions
| Speed |
max. 1 m/s
|
|
| Temperature |
min. -40 °C
|
|
| Temperature |
max. 110 °C
|
|
|
Maximum values of application parameters (e.g. pressure, speed, temperature) should not be applied continuously nor simultaneously.
|
||
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