High Quality PTFE Spring Energized Seals with Spring

• Customization: Available
• Material: NBR+Metal
• Usage: Transmission, Rear Axle
• Model NO.: Spring Energized Seal
• Type: Assembled
• Speed: High Speed
• Pressure: Pressure Type
• Lip: Single Lip
• Standard: Standard
• Transport Package: Bag and Outer Box
• Specification: all size available
• Trademark: Autox
• Origin: Xingtai, Hebei, China
• HS Code: 8484100000
• Production Capacity: 10000000/Year

Product Description

What is a Spring-Energized Seal?

A Spring-Energized Seal (also known as a Spring-Loaded Seal) is a high-performance sealing component designed for harsh operating conditions such as high pressure, extreme temperatures, high speed, or vacuum environments. It combines a metal spring with an elastic sealing material to deliver stable and long-lasting sealing performance.

 

Core Structure and Working Principle

1. Metal Spring (e.g., stainless steel or specialty alloys):
   Provides continuous radial force to ensure tight contact with the sealing surface, compensating for wear or dimensional changes.

2. Elastic Sealing Material (e.g., PTFE, rubber, or polyurethane):
   Covers the spring and directly contacts the medium, preventing leakage of liquids or gases while resisting chemical corrosion and friction.

 

Key Features

• High-Pressure Resistance: Withstands ultra-high pressures exceeding 100 MPa.

• Wide Temperature Range: Operates in extreme temperatures (-200°C to +300°C).

• Low Friction: Materials like PTFE minimize wear on moving parts, extending service life.

• Chemical Resistance: Excellent tolerance to acids, alkalis, oils, solvents, and other media.

• Self-Compensating: The spring maintains sealing performance even as the sealing surface wears.

 

Typical Applications

1. Hydraulic/Pneumatic Systems: Dynamic sealing in hydraulic cylinders, piston rods, and valves under high pressure.

2. Aerospace: High-pressure sealing in aircraft landing gear and fuel systems.

3. Energy Industry: Sealing for oil drilling equipment and natural gas compressors in high-temperature, high-pressure environments.

4. Semiconductor & Vacuum Equipment: Contamination-free sealing for vacuum chambers and coating machines.

5. Food & Pharmaceutical: Sealing for pumps and mixers in sterile environments.

 

Spring-Energized Seals vs. Traditional Lip Seals

Feature	Spring-Energized Seal	Traditional Rubber Seal
Pressure Rating	Ultra-high (>100 MPa)	Low (typically <10 MPa)
Temp. Range	-200°C to +300°C	-40°C to +120°C
Friction	Very low (PTFE materials)	Higher
Lifespan	Long (self-compensating)	Shorter (prone to aging)
Cost	Higher	Lower

 

Selection Guidelines

1. Media Compatibility: Choose materials resistant to specific chemicals (e.g., PTFE for strong acids, rubber for oils).

2. Pressure & Speed: High-pressure applications require rigid springs; high-speed motion demands low-friction materials.

3. Installation Space: Compact design but requires precise groove dimensions.

4. Temperature: Extreme temperatures may require specialty materials (e.g., perfluoroelastomers for 300°C).

 

Summary

Spring-energized seals excel in high-pressure, high-speed, and extreme-temperature applications due to their spring-driven design. While more expensive than traditional seals, their durability and reliability make them a premium solution for industrial sealing. Proper selection depends on operating conditions, media, and installation requirements.

Let me know if you need further adjustments!

 

 

 

FAQ

1. who are we?
Hebei Michu Technology Co,. LTD.It is located in Xingtai city, hebei province.
Our company are a professional car manufacturer with trading company, We specializes in producing seals with more than 10 years experience and we have more than 8000 kinds of products,such as orings ,oil seal , mechanical seal and customized rubber seal, etc.
Welcome your inquiry and we will be very hospitable.


2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;

3.what can you buy from us?
Wheel Hub Oil Seals,Mechanical Seals,O Ring,PTFE Compressor Oil Seals,Skeleton Oil Seals

4. why should you buy from us not from other suppliers?
We have experienced skilled workers strict on products quality. More than 15 years Product R&D. High quality products supply to the world.

5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF;
Accepted Payment Currency:USD;
Accepted Payment Type: T/T,PayPal,Western Union,Cash,Escrow;
Language Spoken:English,Chinese