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Pneumatic Cylinder Repair Solutions by Polypac

Pneumatic Cylinder Repair Solutions by Polypac

Polypac provides industry-leading Pneumatic Cylinder Repair sealing solutions that blend laboratory-grade materials with production-scale manufacturing. Whether you need emergency replacements or a full sealing system redesign, our seals and O-rings are engineered to restore cylinder efficiency, reduce leakage and extend service life in demanding pneumatic applications.

Precision Materials for Reliable Performance

For Pneumatic Cylinder Repair we offer a broad materials portfolio—NBR, FKM, EPDM, silicone, FFKM and specialty filled PTFE (bronze, carbon, graphite, MoS₂, glass). Each material is selected for compatibility with pressure, speed, temperature and contaminant exposure. Our material science expertise ensures optimal friction, wear resistance and sealing integrity for both single-acting and double-acting cylinders.

Custom Manufacturing & Advanced Testing

Polypac’s custom rubber ring and O-ring factory spans over 10,000 m² with 8,000 m² of production space and advanced testing equipment. We design, prototype and validate seals specifically for Pneumatic Cylinder Repair scenarios—performing dimensional checks, hardness, compression set and dynamic leakage testing to meet strict service requirements and regulatory specs.

Application-Focused Solutions for Special Conditions

From low-temperature environments to heavy dust, moisture and aggressive lubricants, our sealing solutions are tailored for special working conditions. We collaborate with universities and research institutions to develop custom compounds and geometries that maintain sealing performance under cyclic loads and extended duty cycles.

Fast Turnaround, Field Kits & Technical Support

Polypac combines rapid production with field-ready support: repair kits, pre-assembled seal sets and technical documentation to simplify on-site Pneumatic Cylinder Repair. Our responsive supply chain and QC protocols ensure consistent quality and minimal downtime for maintenance teams.

Why Choose Polypac

Choosing Polypac means partnering with a proven seal manufacturer: deep material expertise, scalable manufacturing, rigorous testing and a commitment to customized, cost-effective solutions that get cylinders back to peak performance.

Pneumatic Cylinder Repair Display

FAQ:

What is the difference between NBR and FKM materials?

NBR (Nitrile/Buna-N): A general-purpose, cost-effective material with excellent resistance to petroleum-based oils and fuels. It has a standard temperature range of -30°C to +100°C (-22°F to +212°F). FKM (Fluoroelastomer/Viton®): A premium material with excellent resistance to high temperatures (up to 200°C+), chemicals, and oils. It is used in more severe environments but is more expensive than NBR.

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.

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.

Table of Contents

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Pneumatic Cylinder Repair Solutions by Polypac
Precision Materials for Reliable Performance
Custom Manufacturing & Advanced Testing
Application-Focused Solutions for Special Conditions
Fast Turnaround, Field Kits & Technical Support
Why Choose Polypac
Pneumatic Cylinder Repair Display

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