İhtiyacınız olup olmadığından emin değilsiniz yağ keçesi veya bir toz contası? I’ve been there. I’ll walk you through their differences, so you don’t end up choosing the wrong seal for your application.

Oil seals and dust seals serve different purposes: one keeps lubrication in, the other keeps kirleticiler dışarı. Here’s how to decide.

Keep reading to discover which sealing solution works best for motors, gearboxes, and off-road machinery.

What is the main difference between an oil seal and a dust seal?

Many people confuse dust seals and oil seals—but their jobs are quite different.
Oil seals are for lubricant retention, sırasında toz contaları are for blocking external contaminants.

Oil seals (also called rotary shaft seals) are used in lubricated rotating machinery to prevent oil leaks, such as in gearboxes or hydraulic pumps. Dust seals (wiper seals) are designed for harsh outdoor environments, blocking dirt, mud, and water that could damage the shaft.

Want to dive deeper into seal structure? Check out our TC oil seal structure guide.

Which seal material is best for your application?

Not all rubber is created equal—choosing the right material is essential.
Kullanmak NBR for basic oil or dust resistance, FKM for heat/chemicals, and PTFE when speed is key.

Let’s break it down:

• NBR (Nitril): Great for standard oil/dust resistance
• FKM (Viton®): Ideal for high temp & chemical exposure
• PTFE: Excellent in high-speed, low-friction setups

For pneumatic environments, toz silecek contaları are your go-to.

Where are oil seals and dust seals used?

Your choice depends on the operating conditions.
Oil seals are a must for internal lubrication systems; dust seals shine in dirty, outdoor conditions.

Oil Seals Are Common In:

• Gearboxes & motors
• Hidrolik sistemler
• Rotary shaft equipment

Toz Contaları Şurada Kullanılır:

• Excavators, bulldozers, tractors
• Off-road vehicles
• Cylinders in dusty environments

Want something custom-fit? Explore our custom oil seal solutions.

How do you choose the right seal?

The trick is to match speed, pressure, and environment.
Here’s a quick guide:

Need help choosing? Our rotary seal selection guide makes it easy.

How to maintain seal performance over time?

Even the best seals fail without proper care.
💡 Here’s what I recommend:

• Replace seals every 12–24 months
• Inspect shaft surfaces for damage
• Use the correct storage method
• Choose seals rated for your system’s real temperature/pressure

Want your seals to last longer? Read our guide on extending rotary seal life.

Çözüm

Oil seals retain lubrication; dust seals keep out debris. Choose based on environment, speed, and pressure.

Get expert sealing advice & place your order

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