CUT 230X209X8.1Step cut piston seal with rigid cap and rubber energizer
CUT seals are metric sized, double-acting piston seals with a rigid, glass fibre reinforced polyamide slide ring and a rectangular nitrile rubber energizer. The slide ring has high resistance to wear and gap extrusion and provides low friction, even at high pressures. It is step cut for easy installation.
Dimensions
| D |
230 mm
|
Cylinder bore diameter |
|---|---|---|
| D1 |
228.8 mm
|
Piston outside diameter |
| d |
209 mm
|
Piston groove diameter |
| L |
8.1 mm
|
Piston groove width |
| S |
10.5 mm
|
Radial depth |
| R |
max. 0.9 mm
|
Groove radius |
| C |
min. 12 mm
|
Lead-in chamfer length |
| tol D |
0.115 mm
|
Upper limit deviation |
|---|---|---|
|
0 mm
|
Lower limit deviation | |
|
H9
|
Tolerance class for cylinder bore diameter | |
| tol d |
0 mm
|
Upper limit deviation |
|
-0.115 mm
|
Lower limit deviation | |
|
h9
|
Tolerance class for piston groove diameter | |
| tol L |
0.2 mm
|
Upper limit deviation |
|
0 mm
|
Lower limit deviation |
Pressure and speed
| Pressure |
max. 500 bar
|
| Speed |
max. 1 m/s
|
Operating temperature
| T6 |
max. 130 °C
|
Extreme upper temperature limit |
|---|---|---|
| T5 |
max. 120 °C
|
Reduced performance upper temperature limit |
| T4 |
max. 110 °C
|
Upper operating temperature limit |
| T3 |
min. -20 °C
|
Lower operating temperature limit |
| T2 |
min. -30 °C
|
Reduced performance lower temperature limit |
| T1 |
min. -40 °C
|
Extreme lower temperature limit |
|
Maximum values of application parameters (e.g. pressure, speed, temperature, e-gap) should not be applied continuously nor simultaneously.
|
||
Materials
| Primary sealing element |
Polyamide (PA66/011)
|
| Additional element |
Nitrile Rubber (NBR N70/015)
|
Compliance with standard
| In accordance with |
SS ISO 7425-1
|
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