Merkel u-ring with asymmetrical profile, outer lip set back and press fit at the inside diameter.
Product advantages
Single-acting rod seal for the standardised housings, amongst others, according to ISO 5597; very suitable as a secondary seal within a sealing system
- Good media resistance
- Wide operating temperature range
- Very good static and dynamic tightness
- Low breakaway force (in comparison to compact seals or U-rings with secondary sealing edge in corresponding material)
- Dynamic deformation value
Application
Earth moving equipment, agricultural machinery, injection moulding machines, support cylinders, cranes, loading platforms, fork-lift trucks, standard cylinders
Material
Φ range < 500 mm
| Material | Code | Hardness | colour |
|---|---|---|---|
| Polyurethane | 95 AU V142 | 95 Shore A | Blue |
Φ range > 500 mm
| Material | Code | Hardness | colour |
|---|---|---|---|
| Polyurethane | 93 AU V167 | 93 Shore A | Red |
Operating conditions
| Material | 95 AU V142/93 AU V167 |
|---|---|
| Hydraulic oils HL, HLP | Temperature range in °c |
| HFA fluids | -30 … + 110 |
| HFB fluids | + 5 … +50 |
| HFC fluids | + 5 … +50 |
| HFD fluids | -30 … +40 |
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