Standard Material
Polyurethane PU * Other material combinations can be customized according to working conditions. | ![]() |
Product Introduction
JB-7 is a single-acting compression seal for both rod and piston seal. It has very high performance in either dynamic or static sealing.
Characteristics
Insensitive to dynamic fluctuations High extrusion resistance Excellent wear resistance High temperature resistance Good sealing performance even under low pressure Easy to install Long service life | ![]() |
Application Suggestion
JB-7 piston rod seal can meet needs of maintenance spare parts and has a wide applications in hydraulic cylinder sealing system. For example,construction machinery, loading platforms, dump trucks, agricultural machinery, cranes, injection molding machines, telescopic sleeve hydraulic cylinders, steering hydraulic cylinders. Groove design according to ISO 5597 standard.
Operating Condition
Speed | Pressure | Temperature | Media | Supplied Diameter |
0.5m/s | 0-40Mpa | -40℃~110℃ | Hydraulic oil (mineral oil base) | 19mm-400mm |
Technical Drawing

Specification List

* Further specifications on request,we also supply turning products or semi-finished products.
FAQ
1. Could you make sample according to my seal?
Yes,we will firstly analyze and test your sample,then arrange moulding/material to produce.
2. Can you provide material report of my order(s)?
Yes, we can provide either material report or finished product testing report,ship together with the items.
3. Can I buy only the o-rings/quad rings?
Sure we can supply o rings or quad rings separately with good price.
4. Can you print my item code on package labels?
1) Sure,we understand there may be different name for the same product. So we accept customers' item code on package labels so you can recognize each item quickly.
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