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

MATERIAL

Standard material
Material Set Code SN242
O-ring NBR 80 ShA, Code N4188
Polyurethane, Code U5012

OPERATING CONDITIONS

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

DESIGN RECOMMENDATION

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
S
Material
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ØD
Ød
H
L
S
C
R
Material
Order code
40
24.5
6
6.3
7.75
5
0.3
SN242
P22-124012
40
29
4
4.2
5.5
4
0.3
SN242
P22-124013
45
34
4
4.2
5.5
4
0.3
SN242
P22-124014
50
34.5
6
6.3
7.75
5
0.3
SN242
P22-124015
50
39
4
4.2
5.5
4
0.3
SN242
P22-124016
55
39.5
6
6.3
7.75
5
0.3
SN242
P22-124017
56
45
4
4.2
5.5
4
0.3
SN242
P22-124018
60
44.5
6
6.3
7.75
5
0.3
SN242
P22-124019
60
49
4
4.2
5.5
4
0.3
SN242
P22-124020
63
47.5
6
6.3
7.75
5
0.3
SN242
P22-124021
63
52
4
4.2
5.5
4
0.3
SN242
P22-124022
65
49.5
6
6.3
7.75
5
0.3
SN242
P22-124023
70
54.5
6
6.3
7.75
5
0.3
SN242
P22-124024
70
59
4
4.2
5.5
4
0.3
SN242
P22-124025
75
59.5
6
6.3
7.75
5
0.3
SN242
P22-124026
75
64
4
4.2
5.5
4
0.3
SN242
P22-124027
80
59
7.8
8.1
10.5
6
0.4
SN242
P22-124028
80
64.5
6
6.3
7.75
5
0.3
SN242
P22-124029
85
69.5
6
6.3
7.75
5
0.3
SN242
P22-124030
90
69
7.8
8.1
10.5
6
0.4
SN242
P22-124031
90
74.5
6
6.3
7.75
5
0.3
SN242
P22-124032
95
79.5
6
6.3
7.75
5
0.3
SN242
P22-124033
100
79
7.8
8.1
10.5
6
0.4
SN242
P22-124034
100
84.5
6
6.3
7.75
5
0.3
SN242
P22-124035
105
89.5
6
6.3
7.75
5
0.3
SN242
P22-124036
110
89
7.8
8.1
10.5
6
0.4
SN242
P22-124037
110
94.5
6
6.3
7.75
5
0.3
SN242
P22-124038
115
94
7.8
8.1
10.5
6
0.4
SN242
P22-124039
120
99
7.8
8.1
10.5
6
0.4
SN242
P22-124040
125
104
7.8
8.1
10.5
6
0.4
SN242
P22-124041
125
109.5
6
6.3
7.75
5
0.3
SN242
P22-124042
130
109
7.8
8.1
10.5
6
0.4
SN242
P22-124043
140
119
7.8
8.1
10.5
6
0.4
SN242
P22-124044
150
129
7.8
8.1
10.5
6
0.4
SN242
P22-124045
160
139
7.8
8.1
10.5
6
0.4
SN242
P22-124046
180
159
7.8
8.1
10.5
6
0.4
SN242
P22-124047
200
179
7.8
8.1
10.5
6
0.4
SN242
P22-124048