Choosing the wrong seal can lead to air leaks and costly downtime.
A piston seal holds air pressure inside the cylinder; a rod seal prevents leaks along the rod. Both are critical but serve different purposes.

Here's how to select the right seal for your pneumatic application.

What’s the Main Difference Between a Piston Seal and a Rod Seal?

They operate in different areas of the cylinder.

পিস্টন সিল are installed in the bore to manage chamber pressure.
রড সিল are placed at the cylinder head to stop air leakage along the moving rod.

They work together to maintain system efficiency. See the full breakdown in our pneumatic cylinder seal guide.

What Are the Key Functional Differences?

Consider adding ধুলো ওয়াইপার সিল for added protection in dirty environments.

Which Materials Are Best for Each Seal?

পিস্টন সিলের জন্য সেরা উপকরণ

More info: Piston Seal Types & Materials

রড সিলের জন্য সেরা উপকরণ

Explore options: কাস্টম ও-রিং মেকার

When Should You Use a Piston Seal vs. a Rod Seal?

Use a piston seal for internal chamber sealing.
Use a rod seal to seal around the moving piston rod.

In most cylinders, you’ll use both. For comparison: Piston vs Rod Seal

How to Prevent Common Seal Failures?

• ব্যবহার করুন পিটিএফই বা টিপিইউ for high-speed or friction-prone systems
• Replace seals every 6–12 months
• ব্যবহার করুন বাফার সিল to absorb pressure spikes

উচ্চমানের পিস্টন ও রড সিল কোথা থেকে কিনবেন?

আমরা সরবরাহ করি:

• Rod seals, piston seals, buffer & wiper seals
• উপকরণ: এনবিআর, টিপিইউ, এফকেএম, পিটিএফই
• OEM specs and custom orders

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উপসংহার

Rod seals stop leaks along the rod; piston seals maintain pressure in the chamber. Use both for reliable pneumatic performance.

Browse Related Guides

• How to Replace Cylinder Seals
• Types of Hydraulic Cylinder Seals
• Extend Pneumatic Seal Lifespan

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