Rod Compact Seal R21
DESCRIPTION
Rod compact Seal R21 has a symmetrical profile and a supporting edge on the sliding side. Suitable for radially restricted housings, and it is designed for sealing rods in accordance with ISO5597 standardized housings. Compact seal R21 shows very good static and dynamic tightness
APPLICATION
Standard hydraulic cylinders.
Truck tail lift
Telescopic cilinders
Agriculture equipment
Construction machinery
Forklift truck
| Standard material | ||||
|---|---|---|---|---|
| Material Code | U5002 | |||
| Material Base | Polyurethane, 94 ShoreA | |||
| Color | Dark blue | |||
Advantages of U502
High mechanical properties
High wear resistance
Good media resistance
| Pressure, Speed | |
|---|---|
| Working pressure, P | 40 MPa |
| Running speed, v | Up to 0,5 m/s |
| Medium, Working Temperature | |
|---|---|
| Material Code | U5002 |
| Hydraulic oils: HL, HLP | -30.. +110 ˚C |
| HFA, HFB fluids | +5 … +60 oC |
| HFC fluids | -30 … +40 °C |
| Water | +5 … +50 oC |
| Mineral greases | -30 … +110 °C |
| Max. permissible gap dimension, emax | |||
|---|---|---|---|
| Max operating pressure |
S ≤ 4mm | S > 4mm | |
| 16 Mpa | 0,40 | 0,50 | |
| 26 Mpa | 0,35 | 0,40 | |
| 32 Mpa | 0,30 | 0,35 | |
| 40 Mpa | 0,25 | 0,30 | |
| Surface quality* | ||
|---|---|---|
| Surface roughness | Ra | Rmax |
| Sliding surfaces | 0.05 .. 0,3μm | ≤ 2,5 μm |
| Groove base | ≤ 2 μm | ≤ 10 μm |
| Groove flanks | ≤ 3 μm | ≤ 15 μm |
*Contact area Mr = 50% to 90% at cutting depth c=Rz/2 and reference line Cref=0%
Ød
ØD
H
L