Polypac Industrial Hydraulic Seal Solutions
Industrial Hydraulic Seal Solutions by Polypac
Trusted Manufacturer & Technical Partner
Polypac is a scientific and technical hydraulic seal manufacturer and oil seal supplier specializing in seal production, sealing material development, and customized sealing solutions for special working conditions. Founded in 2008, our large-scale factory and ongoing collaborations with top universities ensure every Industrial Hydraulic Seal meets exacting performance standards for longevity and reliability.
Advanced Materials & Proven PTFE Expertise
Starting from a foundation of filled PTFE technology—bronze, carbon, graphite, MoS₂ and glass-filled PTFE—Polypac expanded to produce O-rings and rubber components in NBR, FKM, silicone, EPDM and FFKM. This breadth of materials allows us to match the right compound and geometry to your pressure, temperature, media and friction requirements when specifying an Industrial Hydraulic Seal.
Precision Production & Modern Testing
Our custom rubber ring and O-ring factory spans over 10,000 square meters with 8,000 square meters of production space. Using industry-leading machining, molding and testing equipment, Polypac enforces strict QC protocols—dimensional inspections, material analyses and dynamic seal testing—so every Industrial Hydraulic Seal leaves the line validated for performance.
Tailored Solutions for Challenging Environments
Whether you need low-friction seals for high-speed cylinders, media-resistant seals for aggressive fluids, or temperature-stable seals for extreme climates, Polypac engineers custom designs to meet special working conditions. We offer rapid prototyping, material development and iterative testing to accelerate your time-to-deployment.
Applications & Industry Reach
Polypac Industrial Hydraulic Seal products serve construction equipment, mobile hydraulics, heavy industry, marine systems and energy sectors. Customers trust our seals for durability under high pressures, minimal leakage, and consistent cycle life.
Customer Support & Global Collaboration
Our experienced technical team provides application advice, seal selection support and post-sale service. With extensive research partnerships and a commitment to continuous improvement, Polypac is your partner for scalable, reliable Industrial Hydraulic Seal solutions that reduce downtime and total cost of ownership.
Industrial Hydraulic Seal Display
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.
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.
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.
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.
Rubber Seals: The Complete Guide to Elastomeric Sealing Solutions
How to specify PTFE oil seals for custom shaft sizes?
PU (Polyurethane): The High-Performance Elastomer for Extreme Wear & Durability | Polypac
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FSVO-X High-Performance Rod Seal for Demanding Industrial Applications
FSVO-X High-Performance Rod Seal for Demanding Industrial Applications
DAQ2 Piston Seal Kit | Enhanced U-Cup with Anti-Extrusion Rings
DAQ2 Piston Seal Kit | Enhanced U-Cup with Anti-Extrusion Rings
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
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
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Polypac is a trusted global supplier of high-performance sealing solutions, providing OEM & ODM services for industries worldwide.
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