Rod Seal Repair Kit — Polypac Hydraulic Seal Solutions
Rod Seal Repair Kit Solutions from Polypac
Reliable Rod Seal Repair Kits for Hydraulic Systems
Polypac rod seal repair kit packages are engineered to restore hydraulic cylinder performance quickly and reliably. Each rod seal repair kit includes precision-cut seals, backup rings, wipers, and O-rings sized to OEM or customized specifications. Designed for low leakage and long service life, these kits minimize downtime and deliver consistent sealing under high pressure and repetitive motion.
Advanced Materials and Customization
We manufacture rod seal repair kit components in a wide range of materials—bronze-filled PTFE, carbon-filled PTFE, MoS2-filled PTFE, glass-filled PTFE, NBR, FKM, EPDM, silicone and FFKM—allowing selection for temperature, chemical compatibility and friction requirements. Polypac’s material expertise lets you customize durometers, profiles and fit to match special working conditions for mobile, agricultural, marine and industrial hydraulics.
Precision Manufacturing and Testing
Polypac’s custom rubber ring and O-ring factory spans over 10,000 m² with 8,000 m² of production space and advanced production and testing equipment. Since 2008 we’ve maintained close collaboration with universities and research institutes, applying scientific testing to every rod seal repair kit. Each kit undergoes dimensional inspection, material verification and performance testing to ensure reliable sealing and extended service life.
Applications and Benefits
Typical applications for our rod seal repair kit include hydraulic cylinders in construction equipment, presses, marine systems and industrial machinery. Benefits include improved leak control, reduced maintenance intervals, enhanced energy efficiency and lower total cost of ownership. Kits are supplied in handy sets for fast onsite repair and preventive maintenance.
Why Choose Polypac
As a scientific and technical hydraulic seal manufacturer and oil seal supplier, Polypac combines decades of material science with scalable production. Our experience in filled PTFE and a broad elastomer portfolio makes our rod seal repair kit solutions both technically superior and cost-effective. We support OEMs and maintenance teams with tailored designs and rapid prototyping.
Order Your Rod Seal Repair Kit
Contact Polypac today for custom rod seal repair kit options, samples and quotes. Let our technical team recommend the best material and seal profile to extend cylinder life and restore peak performance.
rod seal repair kit Display
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.
When should I use a spring-energized seal instead of a standard elastomeric seal?
Consider a spring-energized seal (e.g., GSF, SPN types) for demanding applications involving: Extreme Temperatures (below -30°C or above +200°C) Aggressive Chemicals that elastomers can't handle Very Low Leakage or "Zero Leakage" requirements Poor Lubricity or dry running conditions The internal spring maintains constant sealing force, compensating for wear and system variables.
How do I choose the right material for my sealing application?
Material selection depends on four key factors: Media: What fluid or gas will the seal contact? (e.g., petroleum oil, water, chemicals, steam) Temperature: What is the minimum and maximum operating temperature? Pressure: What is the system's operating pressure? Are there pressure spikes? Application: Is it a static, dynamic, or rotary seal? Example: NBR (Buna-N) is excellent for standard hydraulic oil, while FKM (Viton®) is needed for high temperatures or aggressive chemicals.
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