DX-8500-J2XPolyurethane snap-in wiper seal with a single lip, a nitrile rubber O-ring and notches on the inside edge
Hydraulic wiper seals prevent contaminants from entering a cylinder assembly and hydraulic system. DX seals are polyurethane snap-in wiper seals. They have a patented profile with a single-lip design and a notched, vented inside edge. These profiles incorporate a nitrile rubber O-ring that maintains a robust static sealing contact in the housing and serves as an energizer to provide consistent long-term preload on the dynamic lip.
Dimensions
| d |
215.9 mm
|
Rod diameter |
|---|---|---|
| D |
234.87 mm
|
Housing groove diameter |
| D2 |
228.42 mm
|
Housing shoulder diameter |
| L |
9.5 mm
|
Housing groove width |
| S |
9.49 mm
|
Radial depth |
| R |
max. 0.64 mm
|
Groove radius |
| C |
min. 4.75 mm
|
Lead-in chamfer length on rod |
|
tol d Tolerance for rod diameter is determined by the rod seal.
|
||
| tol D |
0.15 mm
|
Upper limit deviation |
|---|---|---|
|
0 mm
|
Lower limit deviation | |
| tol D2 |
0.127 mm
|
Upper limit deviation |
|
0 mm
|
Lower limit deviation | |
| tol L |
0.102 mm
|
Upper limit deviation |
|
0 mm
|
Lower limit deviation | |
Materials
| Primary sealing element |
Polyurethane (TPU U-1004)
|
| Additional element |
Nitrile Rubber (NBR A-8501)
|
Operating conditions
| Speed |
max. 1 m/s
|
|
| Temperature |
min. -40 °C
|
|
| Temperature |
max. 120 °C
|
|
|
Maximum values of application parameters (e.g. pressure, speed, temperature) should not be applied continuously nor simultaneously.
|
||
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