Standard Material
Polyurethane PU * Other material combinations can be customized according to working conditions. | ![]() |
Product Introduction
The JB-2 PU seal is a single-acting and asymmetrical single lip piston rod seal in a hydraulic cylinder.
Characteristics
Excellent wear resistance Low friction under low pressure Insensitive to shock loads and pressure peaks Suitable for harsh working conditions High extrusion resistance Simple installation | ![]() |
Application Suggestion
JB-2 seal can be used in a variety of applications where the performance of general rubber or fabric reinforced rubber is not satisfactory. This seal can be mounted in a simple way and positioned by an interference fit on the outer diameter of the seal to form a static seal. Mainly used for piston rod and plunger seals in heavy-duty machinery or industrial hydraulic machines.
Operating Condition
Speed | Pressure | Temperature | Media | Supplied Diameter |
0.5m/s | 0-40Mpa | -40℃~110℃ | Hydraulic oil (mineral oil base) | 6mm-500mm |
Technical Drawing
Specification List

* Further specifications on request,we also supply turning products or semi-finished materials.
FAQ
1. What color is your polyurethane seal commonly?
Green,red,blue,purple and gray mostly.
2. Could you make customized PU seals?
Yes,we can make custom PU seals according to your cylinder operating conditions.
3. Can I have my own packing method of seals?
Yes,if customized packaging is necessary,we'll contact package supplier for getting MOQ or price details to you.
4. What’s the size of your max. PU seals?
Max. Diameter of our PU seal is 500mm.
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