Standard Material
Bearing Ring: Nitrile rubber NBR Filled PTFE Slide Ring: Filled PTFE Elastomer: Nitrile rubber NBR Fluororubber FKM * Other material combinations can be customized according to working conditions. | ![]() |
Product Introduction
JKDF seal is a double acting piston combination seal with 4 parts--an elastic ring energizer, a bronze filled PTFE slide ring and two bearing rings with positioning and guiding functions.
Characteristics
Low friction Excellent working efficiency High compatibility, almost compatible with all fluids Good piston guidance & clearance balance | ![]() |
Application Suggestion
The JKDF combination seal is composed of a slip ring, a rubber energizer and two bearing rings. The bearing rings play a role of positioning and guiding. The elastic ring provides pre-tightening force and compensates for the wear of the sealing ring. The sealing ring forms a matching mating face with the inner piston of the cylinder.
Operating Condition
Speed | Pressure | Temperature | Media | Supplied Diameter |
1m/s | 0-45Mpa | -30℃~200℃ | Hydraulic oil, water and emulsion. | 40mm-1000mm |
Technical Drawing
Specification List

* Further specifications on request,,we also supply turning products/semi-finished materials.
FAQ
1. Do you supply the elastomer of seal rings?
Yes,we sell also the elastomer of seals.
2. Is the size of your product in metric or imperial?
All in metric,but we accept order size required in imperial.
3. Do you support retail sales?
Yes, we support retails sales for our stock products.
4. How do you pack the items?
Generally,there are 2 ways to pack the seals.
1) Proper packaging with No Marks;
2) Custom logo packaging,we may need logo/brand authorized statement from you if this option is necessary.
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