Low Friction Step Seal — Precision Sealing by Polypac
Low Friction Step Seal — Precision Sealing by Polypac
Overview
Polypac's Low Friction Step Seal is engineered for demanding hydraulic and rotary applications that require minimal drag, long service life, and consistent sealing under variable loads. Combining our decades of experience in filled PTFE technology and elastomer science, this step seal minimizes stick-slip and heat generation while maintaining excellent retention of fluids and pressure.
Key Features & Benefits
Low Friction Step Seal features a stepped profile that reduces contact area and dynamic friction, resulting in lower wear rates and improved energy efficiency. Benefits include extended service intervals, reduced heat build-up, superior response at low speeds, and stable performance across wide pressure ranges — all contributing to lower total cost of ownership.
Materials & Construction
Available in bronze-filled, carbon-filled, graphite, MoS₂-filled, and glass-filled PTFE formulations, the Low Friction Step Seal can be paired with NBR, FKM, silicone, EPDM, or FFKM elastomer energizers. This hybrid construction allows tailored chemical compatibility, temperature resistance, and mechanical resilience for specific working conditions.
Performance & Testing
Manufactured in our 10,000+ m² facility with 8,000 m² production space, each Low Friction Step Seal undergoes rigorous dimensional control and dynamic testing on industry-leading equipment. Polypac's quality systems and test protocols ensure low friction coefficients, tight tolerances, and predictable wear behavior under cyclic loads.
Typical Applications
Ideal for hydraulic cylinders, rotary actuators, pumps, and mobile equipment, the Low Friction Step Seal excels in applications demanding smooth motion and reliable sealing with aggressive fluids, high pressures, or fluctuating temperatures. Common industries include construction, oil & gas, automotive, and industrial hydraulics.
Customization & Supply
Polypac specializes in customized sealing solutions: bespoke dimensions, compound selection, and assembly-ready components are available to meet OEM specifications. With large-scale production capabilities and flexible tooling, we support prototypes to high-volume runs with short lead times.
R&D & Partnership Strength
Since 2008, Polypac has partnered with leading universities and research institutions to advance sealing materials and tribology. Our continuous innovation ensures the Low Friction Step Seal benefits from the latest developments in filled PTFE and elastomeric science.
Why Choose Polypac?
Choose Polypac for proven low-friction step sealing technology, comprehensive material expertise, and manufacturing excellence. Contact our technical team for application review, sample testing, and a tailored sealing solution to maximize the life and efficiency of your equipment.
Low Friction Step Seal Display
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.
Why did my O-ring fail prematurely?
Common causes of O-ring failure include: Chemical Incompatibility: Swelling, softening, or cracking due to fluid exposure. Improper Sizing: Using an incorrect size leads to over-compression or inadequate sealing force. Abrasion: Wear and tear from rough surface finishes or contaminated fluid. Extrusion: The seal is forced into the gap between metal parts under high pressure. Installation Damage: Nicks, cuts, or twists during assembly.
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.
PTFE Tubes: The Ultimate Guide to High-Performance, Chemically Inert Tubing Solutions
Scraper Seals: The Ultimate 2026 Guide to Selection, Types, and System Longevity
An authoritative guide on scraper (wiper) seals, covering their critical role in preventing hydraulic failure, material comparisons (PU, NBR, PTFE), installation best practices, and future IoT trends for 2026.
Are PTFE seals better than elastomers for chemical resistance?
PTFE Oil Seals: The Definitive Guide to High-Performance Sealing for 2026
A comprehensive industry guide on PTFE oil seals, detailing their superior chemical resistance, temperature tolerance, and low-friction properties compared to traditional elastomers. Includes 2026 market trends, installation techniques, and maintenance tips.
Plumbing & HVAC O-Ring Kits012 HITACHI | Assortments for Water, Refrigerant & Gas Connections
Plumbing & HVAC O-Ring Kits012 HITACHI | Assortments for Water, Refrigerant & Gas Connections
Mini O-Ring Kits-011 SUMITOM | Compact Assortments for Electronics, RC Models & Small Appliances
Mini O-Ring Kits-011 SUMITOM | Compact Assortments for Electronics, RC Models & Small Appliances
FKM O-Ring Kits | High-Temp & Chemical Resistant Seal Assortments
FKM O-Ring Kits | High-Temp & Chemical Resistant Seal Assortments
Buna-N (Nitrile) O-Ring Kits-008 KOMATSU | Oil Resistant Seal Assortments for General Purpose Use
Buna-N (Nitrile) O-Ring Kits-008 KOMATSU | Oil Resistant Seal Assortments for General Purpose Use
Metric O-Ring Kits-007 CAT-A | Precision Sized Assortments for European & Asian Machinery
Metric O-Ring Kits-007 CAT-A | Precision Sized Assortments for European & Asian Machinery
AS568 Standard O-Ring Kits-006 CAT-GM | SAE Dash Size Assortments for Hydraulics & Pneumatics
AS568 Standard O-Ring Kits-006 CAT-GM | SAE Dash Size Assortments for Hydraulics & Pneumatics
Plumbing & HVAC O-Ring Kits012 HITACHI | Assortments for Water, Refrigerant & Gas Connections
Plumbing & HVAC O-Ring Kits012 HITACHI | Assortments for Water, Refrigerant & Gas Connections
Mini O-Ring Kits-011 SUMITOM | Compact Assortments for Electronics, RC Models & Small Appliances
Mini O-Ring Kits-011 SUMITOM | Compact Assortments for Electronics, RC Models & Small Appliances
FKM O-Ring Kits | High-Temp & Chemical Resistant Seal Assortments
FKM O-Ring Kits | High-Temp & Chemical Resistant Seal Assortments
Buna-N (Nitrile) O-Ring Kits-008 KOMATSU | Oil Resistant Seal Assortments for General Purpose Use
Buna-N (Nitrile) O-Ring Kits-008 KOMATSU | Oil Resistant Seal Assortments for General Purpose Use
Metric O-Ring Kits-007 CAT-A | Precision Sized Assortments for European & Asian Machinery
Metric O-Ring Kits-007 CAT-A | Precision Sized Assortments for European & Asian Machinery
AS568 Standard O-Ring Kits-006 CAT-GM | SAE Dash Size Assortments for Hydraulics & Pneumatics
AS568 Standard O-Ring Kits-006 CAT-GM | SAE Dash Size Assortments for Hydraulics & Pneumatics
O-Ring Kits-005 CAT-Joint | Complete Assortments for Industrial Repair & Maintenance
O-Ring Kits-005 CAT-Joint | Complete Assortments for Industrial Repair & Maintenance
Nitrile & Viton O-Ring Kits CAT 4C8253 | Chemical & Temperature Resistant Seal Assortments.
Nitrile & Viton O-Ring Kits CAT 4C8253 | Chemical & Temperature Resistant Seal Assortments.
O-Ring Kits CAT 4C4782 | Assorted Seal Kits for Repair, Maintenance & DIY Projects
O-Ring Kits CAT 4C4782 | Assorted Seal Kits for Repair, Maintenance & DIY Projects
Tube-801 | Industrial & DIY Tubing for Plumbing, Pneumatics, Hydraulics & Protection
Tube-801 | Industrial & DIY Tubing for Plumbing, Pneumatics, Hydraulics & Protection
Tubes-T01 | Flexible & Rigid Pipe for Fluid, Air & Electrical Applications
Tubes-T01 | Flexible & Rigid Pipe for Fluid, Air & Electrical Applications
GSF Piston Seals for Straight Cylinders | Bidirectional Seals for Ram & Plunger Cylinders
GSF Piston Seals for Straight Cylinders | Bidirectional Seals for Ram & Plunger CylindersStay Updated with Industry Insights
Subscribe to our articles and receive the latest news, expert guidance, and technical updates directly in your E-mail.
Rest assured that your privacy is important to us, and all information provided will be handled with the utmost confidentiality.
© 2025 Polypac Seals. All Rights Reserved.

dms
DMS
DMS