How to Choose the Right Rotary Shaft Seal? (2025 Selection Guide)

How to Choose the Right Rotary Shaft Seal? (2025 Selection Guide)

ซีลเพลาโรตารีมีความจำเป็นสำหรับ preventing leaks and protecting rotating components in motors, pumps, and gearboxes. Choosing the right seal improves equipment efficiency and reduces failure risks.

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What Is a Rotary Shaft Seal and How Does It Work?

เอ ซีลเพลาโรตารี (oil seal) forms a barrier between a rotating shaft and the housing to retain lubrication and block contaminants.

Functions of Rotary Shaft Seals:

  • ป้องกัน lubrication loss
  • บล็อค ฝุ่นละออง สิ่งสกปรก และความชื้น
  • Extends equipment lifespan by minimizing wear

สำรวจ rotary shaft seals from Hengoseal.

Which Type of Rotary Shaft Seal Should You Use?

The best shaft seal depends on speed, pressure, and environmental exposure.

Oil Seals (Standard & High-Pressure)

  • ซีลน้ำมันโครงกระดูก TG4 – For general rotary use (NBR/FKM)
  • ซีลน้ำมันแรงดันสูง TCV – For hydraulic pumps

Read more: Oil seal vs. dust seal

Dust Seals & End Covers

  • DKB Dust Seal – Dust & debris protection
  • GA Seal & EC End Cover – Ideal for wet environments

Explore all dust seal options

Rotary Sealing Rings

  • VD/VS Rings – High-speed shaft sealing
  • Z-Type, Y-Type Rings – Precision and low-friction design

Check out แหวนปิดผนึกแบบหมุน

What Material Is Best for Rotary Shaft Seals?

Each material offers unique benefits:

วัสดุ ดีที่สุดสำหรับ ข้อดีหลัก
เอ็นบีอาร์ General use Cost-effective, oil-resistant
เอฟเคเอ็ม High-temp & chemical Heat/chemical resistance
พีทีเอฟ High-speed use Low friction, durable

สำรวจ material comparisons.

ปัจจัยอะไรบ้างที่คุณควรพิจารณาก่อนการซื้อ?

To choose the correct seal:

  • ช่วงอุณหภูมิ – Use FKM for high heat
  • Rotational speed – PTFE suits high RPMs
  • System pressure – Choose high-pressure-rated oil seals

Learn more about common seal failures and how to avoid them.

Where to Buy High-Performance Rotary Shaft Seals?

We provide:

  • ✅ Oil, dust, and high-pressure shaft seals
  • ✅ Materials: NBR, FKM, PTFE
  • ✅ Bulk and OEM support available

📩 อีเมล: [email protected]
📞วอตส์แอป: +86 17622979498
Buy high-quality rotary seals now

บทสรุป

Choosing the right rotary shaft seal ทำให้แน่ใจ equipment longevity and reliable sealing performance.

Find the Right Seal for Your Needs



ผู้คนยังถาม

1. What is the best rotary shaft seal material?
FKM for heat, PTFE for speed, NBR for general use.
2. Can I use rotary seals in high-speed motors?
Yes, use VS or PTFE-type rings.
3. How often should shaft seals be replaced?
Every 12–24 months based on use.
4. Can one seal fit multiple shaft sizes?
ใช้ cross-reference charts for exact fit.
5. What happens if a seal fails?
Oil loss, contamination, and equipment wear.
6. Do dust seals block moisture?
Yes, GA & DKB seals provide water resistance.
7. Are high-pressure oil seals different?
Yes, they’re reinforced to handle PSI loads.
8. Where can I buy rotary seals in bulk?
From Hengoseal with OEM support.

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