GH 270X249X8.1-AD1Piston seal with PTFE slide ring and O-ring energizer
GH seals are double-acting piston seals with a PTFE slide ring and a nitrile rubber O-ring energizer. Rectangular energizers are available on request.
Dimensions
| D |
270 mm
|
Cylinder bore diameter |
|---|---|---|
| d |
249 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. 5 mm
|
Lead-in chamfer length |
| tol D |
0.13 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 |
Maximum extrusion gap
| Reference temperature for extrusion gap |
80 °C
|
|
| Extrusion gap at 160 bar | e |
0.6 mm
|
| Extrusion gap at 250 bar | e |
0.45 mm
|
| Extrusion gap at 400 bar | e |
0.35 mm
|
Pressure and speed
| Pressure |
max. 400 bar
|
| Speed |
max. 5 m/s
|
Operating temperature
| T6 |
max. 130 °C
|
Extreme upper temperature limit |
|---|---|---|
| T5 |
max. 110 °C
|
Reduced performance upper temperature limit |
| T4 |
max. 100 °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 |
Polytetrafluoroethylene (PTFE 292)
|
| Additional element |
Nitrile Rubber (NBR N70/6052)
|
Related products
-
SCP3-5000-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.View product
-
SCP3-7000-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.View product
-
SCP2-4750-E5EStep 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.View product
-
SCP3-6500-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.View product
Reviews
There are no reviews yet.