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High Pressure Rod Seal – Polypac Product Category

High Pressure Rod Seal Solutions by Polypac

Why Choose Polypac High Pressure Rod Seal

Polypac High Pressure Rod Seal products are engineered for demanding hydraulic systems where pressure, speed and longevity matter. As a scientific and technical hydraulic seal manufacturer and oil seal supplier, Polypac delivers rod seals that minimize leakage, reduce friction and extend service life—critical advantages for heavy equipment, industrial presses and mobile hydraulics.

Advanced Materials & Proven Technology

Our rod seals utilize decades of material expertise—starting from filled PTFE families (bronze, carbon, graphite, MoS2, glass) to modern elastomers such as NBR, FKM, EPDM, silicone and high-performance FFKM. Combining filled-PTFE sliding faces with optimized elastomer energizers gives the High Pressure Rod Seal superior extrusion resistance, low wear and consistent sealing under high differential pressures.

Custom Designs for Special Working Conditions

Polypac’s custom rubber ring and O-ring factory spans over 10,000 m², enabling bespoke High Pressure Rod Seal profiles, compound formulations and size ranges to meet unusual media, temperature and pressure demands. We partner with universities and research institutes to develop tailored solutions for corrosive fluids, extreme temperatures and high-speed applications.

Rigorous Quality & Testing

With industry-leading production and testing equipment across an 8,000 m² facility, every High Pressure Rod Seal undergoes strict dimensional, hardness and dynamic testing. Our quality controls ensure compliance with customer specifications and long-term reliability under continuous service—reducing downtime and warranty costs.

Applications & Industry Benefits

Polypac High Pressure Rod Seal finds applications in construction machinery, hydraulic cylinders, injection molding machines and energy equipment. Benefits include enhanced pressure handling, reduced maintenance intervals, improved energy efficiency and reliable sealing performance in harsh environments.

Ordering, Support & Global Reach

Founded in 2008, Polypac offers scalable production, rapid prototyping and global logistics. Contact our technical team for material selection, sample trials and customized sealing solutions. Choose Polypac for High Pressure Rod Seal expertise backed by research partnerships and proven manufacturing capacity.

High Pressure Rod Seal Display

FAQ:

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.

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 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 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.

Table of Contents

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High Pressure Rod Seal Solutions by Polypac
Why Choose Polypac High Pressure Rod Seal
Advanced Materials & Proven Technology
Custom Designs for Special Working Conditions
Rigorous Quality & Testing
Applications & Industry Benefits
Ordering, Support & Global Reach
High Pressure Rod Seal Display

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