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High-Speed Cylinder Seal - Polypac

High-Speed Cylinder Seal — Polypac

Overview

Polypac’s High-Speed Cylinder Seal category is engineered for hydraulic systems that demand exceptional speed, low friction, and long service life. As a scientific and technical hydraulic seal manufacturer and oil seal supplier, Polypac combines over a decade of materials expertise with large-scale manufacturing capability and ongoing collaboration with universities to deliver seals optimized for high-speed cylinders.

Key Features

High-Speed Cylinder Seal features include low dynamic friction, minimal stick-slip, tight extrusion resistance, and excellent wear behavior. These attributes reduce heat generation and energy loss in rapid reciprocating applications, improving responsiveness and extending component life.

Materials & Construction

Our High-Speed Cylinder Seal solutions use advanced materials such as filled PTFE (bronze, carbon, graphite, MoS₂, glass) and engineered elastomers including NBR, FKM, silicone, EPDM and FFKM. Multi-component designs—combining PTFE running surfaces with optimized rubber energizers—ensure a balance of low friction, sealing reliability and pressure handling for high-speed operation.

Performance & Testing

Every High-Speed Cylinder Seal undergoes rigorous bench and field testing for friction coefficients, wear rates, extrusion resistance and thermal stability. Polypac’s in-house testing capabilities and industry-standard equipment verify performance across temperature ranges, pressures and surface speeds typical of modern hydraulic cylinders.

Customization & Applications

Polypac provides custom High-Speed Cylinder Seal designs tailored to aerospace actuators, mobile hydraulics, industrial presses, injection molding machines and specialty automation. With a 10,000 m² facility and advanced production lines, we offer custom rubber rings, O-rings and PTFE profiles to meet special working conditions and precise dimensional requirements.

Why Choose Polypac?

Founded in 2008, Polypac combines deep material science, large-scale manufacturing and partnerships with research institutes to deliver reliable High-Speed Cylinder Seal solutions. Our quality control, rapid prototyping and material development ensure seals that lower maintenance costs, improve system efficiency and excel in demanding environments.

High-Speed Cylinder 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.

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.

What does "AS568" mean?

AS568 is the Aerospace Standard that defines the dimensions for over 360 standard O-ring sizes. It is the most widely accepted sizing system in North America and globally. An AS568 number (e.g., AS568-214) specifies a precise inside diameter and cross-section.

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.

Table of Contents

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High-Speed Cylinder Seal — Polypac
Overview
Key Features
Materials & Construction
Performance & Testing
Customization & Applications
Why Choose Polypac?
High-Speed Cylinder Seal Display

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