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Oil Seal RS Series
The piston rod one-way sealing ring is composed of an anti-wear filled polytetrafluoroethylene PTFE ring and an O-type rubber sealing ring. The O-type ring provides elasticity to compensate for the wear of the PTFE step ring and only has a one-way sealing effect.
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Product Description
Single acting seals for piston rods in hydraulic cylinders are crucial components. These seals are designed to prevent fluid leakage in one direction. They work by creating a tight barrier between the piston rod and the cylinder housing.
Proper installation and maintenance of these seals are essential. Regular inspection for wear and damage helps ensure the hydraulic cylinder operates smoothly and without fluid loss. When functioning correctly, single acting piston rod seals contribute to the overall performance and reliability of the hydraulic equipment.
Product parameters:
Groove surface characteristics:
|
Finish |
Rtmax (um) |
Ra (um) |
|
SlidingSurface |
≤2.5 |
0.05 - 0.3 |
|
GrooveBottom |
≤6.3 |
≤1.6 |
|
GrooveSide |
≤15 |
≤3 |
|
|
|||||||
|
ShaftDiameter |
BottomDiameter |
Width |
Rounded Corner |
Smax* |
O-Ring |
||
|
Df8/h9 |
D1 H9 |
L+0.2 |
r |
10MPa |
20MPa |
40Mpa |
d1 |
|
3-7.9 |
D+4.9 |
2.2 |
0.4 |
0.30 |
0.20 |
0.15 |
1.78 |
|
8-18.9 |
D+7.3 |
3.2 |
0.6 |
0.40 |
0.25 |
0.15 |
2.62 |
|
19-37.9 |
D+10.7 |
4.2 |
1.0 |
0.40 |
0.25 |
0.20 |
3.53 |
|
38-199.9 |
D+15.1 |
6.3 |
1.3 |
0.50 |
0.30 |
0.20 |
5.33 |
|
200-255.9 |
D+20.5 |
8.1 |
1.8 |
0.60 |
0.35 |
0.25 |
7.00 |
|
256-649.9 |
D+24.0 |
8.1 |
1.8 |
0.60 |
0.35 |
0.25 |
7.00 |
|
650-999.9 |
D+27.3 |
9.5 |
2.5 |
0.70 |
0.50 |
0.30 |
8.40 |
|
＞1000 |
D+38.0 |
13.8 |
3.0 |
1.00 |
0.70 |
0.60 |
12.00 |
Materials
- Wear-resistant ring is PTFE bronze composite material;
- O-ring is nitrile rubber NBR or gas rubber FKM.
> Medium
General petroleum-based hydraulic oil, water glycol hydraulic oil, oil-water emulsion hydraulic oil.
Working conditions (the following limit values cannot appear at the same time)
Working pressure: ≤50MPa
Operating speed: ≤15 m/s
Working temperature: -35℃~+200℃ (depending on the material of the O-ring)
Hot Tags: Oil Seal RS Series, China, Manufacturer, Supplier, Factory, Durable, Cheap
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