Shaft Seal Solutions Hub 2025: Complete Guide to Selection, Failures & Maintenance
Shaft seals are the silent protectors of rotating equipment — keeping fluids in and contaminants out. But when it comes to choosing, installing, or troubleshooting these critical components, many industrial buyers and engineers face complexity and cost concerns.
This page brings together all the essentials you need to navigate shaft seal selection, performance, materials, and maintenance. From expert insights to application-specific recommendations, explore the key topics below to reduce downtime, improve efficiency, and find the right sealing solution for your system.
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What is a shaft seal and how does it work?
A shaft seal (or oil seal) keeps lubricants inside rotating systems while preventing external contaminants from entering. It plays a critical role in protecting bearings, minimizing friction, and ensuring operational safety in pumps, motors, and gearboxes.
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Shaft Seal Product Category
A full range of rotary shaft seals designed for high-speed, high-pressure, and chemically demanding applications. Explore TC, TG4, and custom shaft seal options for OEM and industrial use.
How to choose the right shaft seal for your equipment?
The right shaft seal depends on application speed, pressure, temperature, media, and shaft/housing size. Also consider whether you need single or double lip, and the right rubber or polymer material.
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How to Choose the Right Rotary Shaft Seal?
Selection checklist for shaft condition, speed, fluid type, and sealing environment.
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High-Quality Oil Seal 120×150×15/20.2
Precision seal with excellent wear and chemical resistance for hydraulic systems.
What are the common causes of shaft seal failure?
Shaft seals fail due to misalignment, dry runs, improper installation, chemical degradation, and excessive pressure or temperature. Leaks, shaft wear, and system vibration are common symptoms.
🔘 Concerned about leakage?
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General tips for sealing reliability.
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Těsnění skeletu TG4
High-performance shaft seal with reinforced structure for heavy-duty use.
What materials are best for shaft seals in harsh conditions?
Use FKM (Viton®), PTFE, or silicone for chemical resistance, high temperatures, or aggressive oils. NBR works well for standard oil applications but degrades under heat or fuel.
🔘 Need the right material?
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FKM O Ring – Durable Sealing for High-Temperature & Harsh Environments
Excellent resistance to aggressive media and elevated temperature.
How to install and maintain shaft seals for long-term performance?
Use proper tools, avoid distortion, and apply lubricant before pressing the seal evenly. Avoid over-tightening and periodically inspect for signs of wear or oil seepage.
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TC Skeleton Oil Seal
Durable and installer-friendly shaft seal with dual-lip protection.
Can you use shaft seals in food or chemical applications?
Yes. For food-grade or chemically aggressive environments, use PTFE or silicone-based shaft seals that are FDA-compliant and resistant to high pH or solvent exposure.
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