Piston Compact Seal Set P22
DESCRIPTION
Piston Seal Set P22 is duoble-acting seal for medium duty applications and housing according to ISO 7425-1. Seal Set P22 is comprising of PU profile ring and one contact pressure element to produce pre-load.
Features of this seal are very high static and dynamic sealing effect, high resistance against abrasion and low friction and smooth movement.
APPLICATION
Industrial vehicles
Cranes
Loading platforms
Agricultural machinery
Injection moulding machines
Earth moving equipment
| Standard material | |
|---|---|
| Material Set Code | SN242 |
| O-ring NBR 80 ShA, Code | N4188 |
| Polyurethane, Code | U5012 |
| Pressure, Speed | |
|---|---|
| Working pressure, p in Mpa | 40 |
| Running speed, v in m/s | 0,5 m/s |
| Media, Operating temperature | |
|---|---|
| Material Set Code | SN242 |
| Hydraulic oils:HL, HLP | -30.. +100 ˚C |
| HFA, HFB fluids | +5..+ 50 °C |
| HFC fluids | -30..+40 °C |
| HFD fluids | – |
| Water | +5..+50 °C |
| Mineral greases | -30.. +100 ˚C |
| Max. permissible gap dimension, emax | |||||
|---|---|---|---|---|---|
| Profile size | Max operating pressure | ||||
| L | S | 16 MPa | 26 MPa | 32 MPa | 40 MPa |
| 4,20 | 5,50 | 0,40 | 0,30 | 0,20 | – |
| 6,30 | 7,55 | 0,50 | 0,40 | 0,30 | 0,25 |
| 8,10 | 10,50 | 0,60 | 0,50 | 0,40 | 0,35 |
| 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