dbde24e1-4012-47b6-8db4-e89ee4ca5a70 - Polypac

English

Turkish

dbde24e1-4012-47b6-8db4-e89ee4ca5a70

Piston Guide Ring for Seals - Polypac Hydraulic Seal Solutions

Piston Guide Ring for Seals — Precision Guide Rings by Polypac

Overview

Polypac manufactures high-performance piston guide rings for seals designed to stabilize piston movement, minimize metal-to-metal contact, and protect hydraulic seals from extrusion and wear. Our piston guide ring for seals is engineered to extend service life and improve reliability across industrial, mobile, and offshore hydraulic systems.

Key Features

Polypac’s piston guide ring for seals features low friction profiles, tight tolerances, and consistent elastomer support to reduce stick-slip and vibration. With options for filled PTFE blends and engineered elastomers, these guide rings deliver superior dimensional stability and superior resistance to pressure and temperature fluctuations.

Materials & Customization

We offer piston guide ring for seals in a wide range of materials — bronze-, carbon-, graphite-, MoS₂-, and glass-filled PTFE — plus NBR, FKM, silicone, EPDM, and FFKM O-rings for complementary sealing. Polypac’s in-house material development and custom molding let you tailor hardness, coefficients of friction, and chemical compatibility to meet special working conditions.

Applications

Our piston guide ring for seals is ideal for hydraulic cylinders, heavy machinery, marine actuators, and high-cycle applications where precise guidance is critical. They are particularly effective in systems requiring reduced seal extrusion and improved rod alignment under load.

Quality & Manufacturing

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. Since 2008, we’ve combined academic collaboration and industry-leading processes to ensure each piston guide ring for seals meets strict dimensional and material standards.

Why Choose Polypac

Choose Polypac for award‑winning expertise, fast prototyping, and scalable production. Our technical support helps specify the right piston guide ring for seals for your environment — improving uptime and reducing maintenance costs. Contact Polypac for samples, CAD drawings, and custom sealing solutions.

piston guide ring for seals 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.

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.

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.

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.

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

≡

Piston Guide Ring for Seals — Precision Guide Rings by Polypac
Overview
Key Features
Materials & Customization
Applications
Quality & Manufacturing
Why Choose Polypac
piston guide ring for seals Display

Related Blog

What are common inspection and maintenance tips for shaft seals?

This guide provides essential information on rotating shaft seals, including their applications, common failure causes, inspection and maintenance tips, and how to select the right seal material. It also highlights Polypac's advantages in seal manufacturing.

What are common inspection and maintenance tips for shaft seals?

FKM: The Complete Guide to High-Temperature & Chemical-Resistant Sealing | Polypac

Discover Polypac’s comprehensive guide to FKM seals, designed for high temperature and chemical resistant applications. Learn how FKM provides durable, reliable sealing solutions to enhance performance and safety in demanding industrial environments.

FKM: The Complete Guide to High-Temperature & Chemical-Resistant Sealing | Polypac

How to install a rotating shaft seal step-by-step?

This guide provides essential information on rotating shaft seals, including installation steps, maintenance tips, and common troubleshooting techniques, tailored for professionals in the seal manufacturing industry.

How to install a rotating shaft seal step-by-step?

The Ultimate Guide to Rod Seals: Types, Selection, Failures, & Future Trends in 2026

A comprehensive guide for engineers and maintenance professionals on rod seals. Covers types, material selection, failure analysis, installation best practices according to ISO standards, and future industry trends.

The Ultimate Guide to Rod Seals: Types, Selection, Failures, & Future Trends in 2026