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UN - Hydraulic cylinder Piston and rod U-cup PU seals
- Category： Piston&Rod seals
- Temperature: -35 - +100℃
- Material: TPU, CPU
- Color: green, blue
- Medium: Hydraulic oils
- Product description：UNS seal can be used for piston and rod application. It it is a typical lip seal which used very widely in hydraulic cylinders. The inside lip and outside lip are same height. It can be installed easi
1. Description
UNS seal can be used for piston and rod application. It it is a typical lip seal which used very widely in hydraulic cylinders. The inside lip and outside lip are same height. It can be installed easily. As the cross section is wide, UNS often used for hydraulic cylinders of low pressure.
2. Installation Recommendation
3. Installation Sizes
Piston
|
P<5MPa |
B=d+0.9 |
D<60 |
C=4 |
h <7 |
L=h+0.5 |
|
P 5-10MPa |
B=d+0.7 |
D 60-180 |
C=6.5 |
h =7-8 |
L=h+0.8 |
|
P 10-20MPa |
B=d+0.4 |
D 180-250 |
C=7.5 |
h >8 |
L=h+1.0 |
|
P 20-30MPa |
B=d+0.2 |
D 250-400 |
C=10 |
h >8 |
L=h+1.0 |
Piston Rod
|
P<5MPa |
B=D-0.9 |
D<60 |
C=4 |
D1=D-1 |
h<7 |
L=h+0.5 |
|
P 5-10MPa |
B=D-0.7 |
D 60-180 |
C=5.5 |
D1=D-1 |
h=7-8 |
L=h+0.8 |
|
P 10-20MPa |
B=D-0.4 |
D 120-180 |
C=6.5 |
D1=D-1 |
h>8 |
L=h+1.0 |
|
P 20-30MPa |
B=D-0.2 |
D 180-250 |
C=7.5 |
D1=D-2 |
h>8 |
L=h+1.0 |
|
P 30-40MPa |
B=D-0.1 |
D 250-400 |
C=10 |
D1=D-2 |
h>8 |
L=h+1.0 |
4. Standard materials
TPU, CPU
5. Working condition
Pressure: CPU≤40MPa TPU≤31.5MPa
Temperature: -35~+100℃
Speed: 0.5m/s
Medium: Hydraulic oils ( mineral oil-based )
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