Valve Stem Seals
JYELASTOMER manufactures high-performance valve stem seals using materials such as NBR, FKM, and ACM, with material selection based on temperature, oil compatibility, engine operating conditions, and service requirements.
Description:
Valve Stem Seals are precision-engineered engine sealing components designed to regulate oil flow between the valve stem and valve guide. They prevent excessive engine oil from entering the combustion chamber while maintaining proper lubrication of the valve stem.
Product specifications
| Item | Description |
|---|---|
| Product type | Valve Stem Seals |
| Materials | NBR, FKM, ACM, and other suitable elastomers |
| Construction | Rubber sealing element with optional metal casing and spring |
| Customization | OEM / ODM, custom dimensions and material compounds |
| Application | Engine valve stem and valve guide sealing |
Key Features
- Precise oil control
- Excellent sealing performance
- Heat and engine-oil resistance
- Low wear and long service life
- Precision-molded sealing lips
- OEM and custom designs available
Applications
- Gasoline engines
- Diesel engines
- Passenger vehicles
- Commercial vehicles
- Automotive and industrial engines
Custom valve stem seals are available according to customer drawings, samples, specifications, and performance requirements.









