Polypac Piston Seals — Reliable Hydraulic Sealing Solutions
Polypac Piston Seals — Reliable Hydraulic Performance
Polypac piston seals are engineered to protect hydraulic cylinders and ensure smooth, leak-free operation. Built from advanced filled PTFE and high-quality elastomers, our seals offer low friction, stable sealing under pressure, and excellent wear resistance. Whether you need a standard size or a custom solution for harsh conditions, Polypac delivers reliable performance you can trust.
Why choose Polypac piston seals?
- Low friction and smooth rod movement for improved system efficiency
- Long service life reduces downtime and maintenance costs
- Strong resistance to chemicals, high temperatures and pressure
- Custom sizing and material options to fit specific applications
- Fast production backed by modern equipment and rigorous testing
Materials and customization
We produce piston seals in a wide range of materials to match your application: bronze-filled PTFE, carbon-filled PTFE, graphite PTFE, MoS₂-filled PTFE, glass-filled PTFE, as well as elastomers like NBR, FKM, EPDM, silicone and FFKM. Polypac supports custom compound development and tailored geometries to meet special working conditions.
Factory strength and quality assurance
Polypac’s custom rubber ring and O-ring factory covers more than 10,000 m² with 8,000 m² of production space. Our manufacturing and testing equipment are among the industry’s most advanced. Since 2008 we have partnered with universities and research institutes to continuously improve material performance and testing methods.
Applications and real value
Our piston seals are ideal for hydraulic cylinders in industrial machinery, mobile equipment, marine systems and agricultural vehicles. By choosing Polypac, you get seals that lower operating costs, extend equipment life, and maintain reliable sealing under variable loads and environments. We value each customer’s needs and provide technical support, fast quotes, and tailored solutions to ensure the best fit.
Contact Polypac today for consultation, material samples, or a custom sealing solution built to your specifications.
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GSF Series High-Performance Piston Seals Low Friction & Zero Leakage
With extremely low friction and high-pressure capability.
GNS Type Piston Seal - Polyurethane Seal with PTFE Backup Ring
The GNS is a premium combination seal designed for hydraulic and pneumatic cylinders.
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