Enhanced Rod Seal Solutions | Polypac
Enhanced Rod Seal Solutions by Polypac
High Quality Performance for Demanding Hydraulics
Polypac's Enhanced Rod Seal delivers exceptional sealing reliability in hydraulic cylinders where rod sealing is critical. Engineered for low friction, long service life and superior wear resistance, the Enhanced Rod Seal minimizes leakage and stick-slip while optimizing energy efficiency in mobile and industrial applications.
Advanced Materials and Composite Options
Our Enhanced Rod Seal is available in a wide range of materials, including filled PTFE variants (bronze-filled, carbon-filled, MoS₂-filled, glass-filled and graphite-filled) and elastomers such as NBR, FKM, EPDM, silicone and FFKM. Material selection is tailored to temperature, chemical compatibility and pressure requirements to ensure optimal performance under special working conditions.
Precision Manufacturing & Customization
With over 10,000 m² of factory space and industry-leading production equipment, Polypac produces Enhanced Rod Seal solutions at scale while supporting custom geometries and tolerances. We collaborate with universities and research institutes to develop bespoke sealing profiles, coatings and compound formulations for unique applications.
Rigorous Testing & Quality Assurance
Every Enhanced Rod Seal undergoes stringent testing—abrasion, extrusion, compression set and dynamic cycle tests—ensuring compliance with performance specifications. Our in-house testing capabilities and quality control processes guarantee consistent, reliable seals for high-pressure and high-frequency operations.
Applications & Benefits
Ideal for construction machinery, agricultural equipment, hydraulic presses and marine systems, the Enhanced Rod Seal offers reduced maintenance, longer uptime and enhanced system cleanliness. Key benefits include improved wear life, reduced frictional losses, superior sealing under contaminants and stable performance across wide temperature ranges.
Why Choose Polypac
Founded in 2008, Polypac combines decades of sealing expertise with modern R&D and production capabilities. As a leading seal manufacturer and oil seal supplier, we offer turnkey solutions from material selection to prototyping and volume production—ensuring your Enhanced Rod Seal meets demanding operational needs. Contact Polypac for technical support and custom quotations.
Enhanced Rod Seal Display
Why did my O-ring fail prematurely?
Common causes of O-ring failure include: Chemical Incompatibility: Swelling, softening, or cracking due to fluid exposure. Improper Sizing: Using an incorrect size leads to over-compression or inadequate sealing force. Abrasion: Wear and tear from rough surface finishes or contaminated fluid. Extrusion: The seal is forced into the gap between metal parts under high pressure. Installation Damage: Nicks, cuts, or twists during assembly.
What is the difference between a static seal and a dynamic seal?
A Static Seal is used between two surfaces that do not move relative to each other (e.g., pipe flanges, end caps). O-rings and gaskets are common static seals. A Dynamic Seal is used between surfaces that do move (e.g., piston and cylinder, rotating shaft). Rod seals, piston seals, and rotary shaft seals are designed for this purpose.
Can I reuse a seal?
We strongly recommend never reusing seals. Once compressed and used, a seal takes a "set" and its elastic properties are degraded. Reusing it almost always results in a leak. Always install a new seal during any maintenance or repair.
How can I prevent seal damage during installation?
Use Tools: Always use dedicated installation tools (e.g., picks, cones, guides). Lubricate: Always lubricate the seal and the contact surface. Protect Sharp Edges: Cover sharp threads and edges with tape or use an installation sleeve. Check the Groove: Ensure the installation groove is clean, deburred, and undamaged.
What is the purpose of the metal spring in a rotary shaft seal?
The garter spring in a shaft seal (e.g., FSKR, SPGO types) provides a constant radial force on the sealing lip. This ensures consistent contact with the rotating shaft, compensating for minor wear, eccentricity, and vibration to prevent lubricant leakage.
Are PTFE seals a good choice for vacuum and cryogenic uses?
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