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

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

Уплотнения вращающегося вала необходимы для 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?

А уплотнение вращающегося вала (oil seal) forms a barrier between a rotating shaft and the housing to retain lubrication and block contaminants.

Functions of Rotary Shaft Seals:

  • Предотвращает lubrication loss
  • Блоки пыль, грязь и влага
  • Extends equipment lifespan by minimizing wear

Исследовать 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)

  • Сальник скелетный TG4 – For general rotary use (NBR/FKM)
  • Уплотнение высокого давления 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 вращающиеся уплотнительные кольца

What Material Is Best for Rotary Shaft Seals?

Each material offers unique benefits:

Материал Лучшее для Основные преимущества
НБР General use Cost-effective, oil-resistant
ФКМ High-temp & chemical Heat/chemical resistance
ПТФЭ High-speed use Low friction, durable

Исследовать material comparisons.

Какие факторы следует учитывать перед покупкой?

To choose the correct seal:

  • Диапазон температур – 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

📩 Электронная почта: [email protected]
📞 WhatsApp: +86 17622979498
Buy high-quality rotary seals now

Заключение

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

Find the Right Seal for Your Needs



Люди также спрашивают

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?
Использовать 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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