SCP3-7500-E5DStep cut piston seal with rigid cap and rubber energizer
SCP seals are inch sized, double-acting piston seals with a rigid, glass fibre reinforced polyamide slide ring and an oval 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 |
190.5 mm
|
Cylinder bore diameter |
|---|---|---|
| d |
171.2 mm
|
Piston groove diameter |
| L |
9.58 mm
|
Piston groove width |
| S |
9.65 mm
|
Radial depth |
| R |
max. 5.08 mm
|
Groove radius |
| C |
min. 6.35 mm
|
Lead-in chamfer length |
| tol D |
0.1 mm
|
Upper limit deviation |
|---|---|---|
|
0 mm
|
Lower limit deviation | |
| tol d |
0 mm
|
Upper limit deviation |
|
-0.1 mm
|
Lower limit deviation | |
| tol L |
0.127 mm
|
Upper limit deviation |
|
0 mm
|
Lower limit deviation |
Maximum extrusion gap
| Extrusion gap | e |
0.76 mm
|
|---|
Pressure and speed
| Pressure |
max. 690 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 (PA P-2551)
|
| Additional element |
Nitrile Rubber (NBR A-8526)
|
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