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Polypac Improved Guide Ring — Reliable Hydraulic Guiding Solution

Polypac Improved Guide Rings offer low-friction, wear-resistant guidance for hydraulic pistons and rods. Made with advanced materials and precision manufacturing, they deliver long service life and consistent performance in demanding conditions.

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Product Information

Improved Guide Ring — Product Overview

Polypac Improved Guide Rings are designed to provide stable, low-friction guidance for pistons and rods in hydraulic cylinders. They prevent metal-to-metal contact, reduce wear on mating parts, and maintain alignment under side loads. Built with attention to materials and manufacturing quality, these guide rings suit a wide range of industrial and mobile hydraulic applications.

Key Features

Low friction for smooth motion and reduced energy loss
High wear resistance for extended service life
Excellent dimensional stability to maintain tight clearances
Easy installation, available in standard and custom sizes

Materials & Compatibility

Polypac offers guide rings in a variety of proven materials to match your working conditions. Options include reinforced PTFE blends and engineered rubber compounds compatible with common hydraulic fluids. Our materials reduce stick-slip and work well across a wide temperature range.

Typical Applications

Improved Guide Rings are commonly used in:

Hydraulic cylinders for construction and agricultural machinery
Industrial presses and actuation systems
Mobile equipment exposed to heavy side loads
Custom systems requiring reliable piston guidance

Why Choose Polypac

Polypac is a scientific and technical hydraulic seal manufacturer and oil seal supplier with a strong focus on sealing material development and customized solutions. Our factory spans over 10,000 m² with 8,000 m² of production space and advanced production and testing equipment. Founded in 2008, we began with filled PTFE seals and now supply a full range of O-rings and guide elements in materials like NBR, FKM, silicone, EPDM, and FFKM.

Trusted Quality

We collaborate with universities and research institutes to continuously improve products. Every guide ring undergoes strict inspection to ensure consistent dimensions, material integrity, and performance, giving you confidence in long-term reliability.

Custom Solutions

If your application has special requirements—unusual sizes, aggressive fluids, or extreme temperatures—Polypac can develop tailored guide rings to meet those needs quickly and efficiently.

Contact us to discuss specifications and get a recommended guide ring solution for your hydraulic system.

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Frequently Asked Questions

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 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 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.

If you have another questions, please feel free to contact us.

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PRODUCTS

dbde24e1-4012-47b6-8db4-e89ee4ca5a70

Polypac Industrial Technology Co.,Ltd

+86 189 2463 6168

rose@dmsseals.com

No. 5, Hegui Mid Road, Hegui Industrial Park, Lishui Town, Nanhai District, Foshan City, Guangdong Province, P.R. China.

DFAI Series Guide Ring | Upgraded Performance for Heavy-Duty Load Support

Polypac’s DFAI Series Guide Ring delivers upgraded performance for heavy-duty load support. Featuring an improved guide ring design and enhanced wear ring materials, it ensures low friction operation and superior durability—ideal for demanding industrial applications.

DFAI Series Guide Ring | Upgraded Performance for Heavy-Duty Load Support