Piston U-Ring P30
DESCRIPTION
Single-acting Piston U-Ring P30 has asymmetrical profile and shortened outer lip designed for standardised housings according to ISO5597
Piston U-Ring P30 can be installed in “back-to-back” position in double-acting piston design with pressure on both sides. Has good static and dynamic sealing, high abrasion resistance and long service life.
APPLICATION
Generally used in hydraulic equipment
Standard hydraulic cylinders.
Presses
Support cilinders
Earth moving equipment
| Standard material | |
|---|---|
| Material Code | U5002 |
| Material Base | Polyurethane, 94 ShoreA |
| Color | Dark blue |
Advantages of U5002 Material
High mechanical properties
High wear resistance
Good media resistance
| Pressure; Speed | |
|---|---|
| Working pressure,P | Max 40 Mpa |
| Running speed, v | 0,5 m/s |
| Material; 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≤5mm | S=7,5mm | S=10mm |
| 16 Mpa | 0,50 | 0,55 | 0,60 |
| 26 Mpa | 0,40 | 0,45 | 0,50 |
| 32Mpa | 0,35 | 0,40 | 0,45 |
| 40 Mpa | 0,30 | 0,35 | 0,40 |
| Surface quality* | ||
|---|---|---|
| Surface roughness | Ra | Rmax |
| Sliding surfaces | 0,05.. 0,3 μm | ≤ 2,5 μm |
| Groove base | ≤ 1,6 μm | ≤ 6,3 μm |
| Groove flanks | ≤ 3,0 μm | ≤ 15 μm |
*Contact area Mr = 50% to 90% at cutting depth c=Rz/2 and reference line Cref=0%
ØD
Ød
H
L