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Double lip dustproof oil seal is an oil seal designed with double sealing lips, which is specially used to prevent external dust, dirt, moisture, etc.
Double lip dustproof oil seal is an oil seal designed with double sealing lips, which is specially used to prevent external dust, dirt, moisture, etc.

Product
Description

Specification

parameter

Production
Process

type

Application
Scenario

Features

01.

Product
Description

Double lip dustproof oil seal is an oil seal designed with double sealing lips, which is specially used to prevent external dust, dirt, moisture, etc. from entering the interior of mechanical equipment and protect the lubricating oil or liquid of the equipment from contamination. It is commonly used in automobiles, engineering machinery, industrial equipment and other fields, and can effectively extend the service life of bearings and other seals. Double lip dustproof oil seal has strong sealing performance and is suitable for use in harsh working environments, especially in places where dust and dirt need to be prevented from invading. Its design not only focuses on the sealing effect, but also provides additional dust protection, delays equipment failure and reduces maintenance costs.

02.

Specification

Material NBR (nitrile rubber), FKM (fluororubber), HNBR (hydrogenated nitrile rubber), EPDM (propylene rubber), etc.
Color Black, blue, etc. (customizable)
Size Customized according to customer requirements, suitable for different shaft diameters and sealing requirements
Temperature range -30℃ to +150℃ (high temperature type can reach +200℃)
Temperature resistance Has excellent high temperature resistance and can adapt to harsh temperature environments
Wear resistance Strong wear resistance, suitable for long-term high-speed operation
Customized Design Customize size, material, design requirements, etc. according to customer needs.
03.

parameter

Inner diameter range

Common inner diameter ranges from 20mm to 300mm, customized according to the shaft diameter of the equipment

Outer diameter range

Designed according to the equipment outer diameter and installation position

Thickness range

Common thickness is 5mm to 15mm, customization is supported

Operating temperature

-30℃ to +150℃ (special high temperature resistant version can reach +200℃)

Applicable media

Lubricating oil, hydraulic oil, gear oil, etc.

Rotation speed

Suitable for medium and low speed rotation applications, up to 15m/s

Pressure resistance

The pressure resistance is usually 1MPa to 3MPa, which can be customized according to the requirements.

04.

Production
Process

Metal frame manufacturing

The oil seal frame is made of high-strength metal or reinforced materials to ensure its structural strength and stability.

Rubber molding

According to the design requirements, select appropriate rubber materials (such as NBR, FKM, etc.) for molding to ensure that the sealing lip of the oil seal has good elasticity, wear resistance and oil resistance.

Vulcanization

The vulcanization process enhances the rubber's resistance to high temperatures, wear and aging, ensuring the stability of the product in long-term use.

Finishing and assembly

The sealing surface of the oil seal is precisely machined to ensure a good sealing effect and correct size.

Quality Inspection

Each product undergoes rigorous performance testing to ensure that temperature resistance, sealing and pressure resistance meet standards.

Packaging and delivery

The products are cleaned and packaged to ensure they are not damaged during transportation.

Standard double lip dustproof oil seal

Suitable for common industrial equipment and automotive dust sealing requirements

High temperature double lip dustproof oil seal

Designed for high temperature environments, using high temperature resistant materials, suitable for long-term high temperature work

Chemical resistant double lip dust seal

Suitable for chemically corrosive environments, providing stronger corrosion resistance

Double lip + spring type double lip dustproof oil seal

Designed with spring-enhanced sealing for harsh working conditions

Customized double lip dustproof oil seal

Customized size, material, special design, etc. according to customer needs

type

06.

Application
Scenario

Automotive Industry

Used for sealing of automobile drive shafts, wheels, differentials and other parts to prevent oil leakage and protect internal systems

Industrial Equipment

Such as the sealing of gear boxes, hydraulic pumps, compressors and other equipment to ensure that lubricating oil does not leak

Engineering Machinery

Such as drive shaft seals for excavators, bulldozers and other equipment to protect transmission systems and bearings

Shipping industry

Used for ship gearbox and transmission shaft seals to retain oil and prevent external pollutants from entering

Agricultural machinery

Sealing systems for equipment such as tractors and harvesters

Mining machinery

Such as the sealing of mining vehicles and mining equipment to ensure the normal operation of the equipment

07.

Features

Double lip seal design

Double sealing lips can provide a more effective sealing effect to prevent external dust, dirt and contaminants from entering the equipment

Strong dustproof function

Specially designed for dust prevention, it can effectively prevent the intrusion of dust, moisture and other impurities in harsh working environments

High temperature resistance

Able to withstand high temperature environments, suitable for equipment protection under high temperature conditions

Strong wear resistance

Strong wear resistance, adapting to long-term high-frequency operation of equipment, reducing the frequency of maintenance and replacement

Resistance to aging

High-quality rubber material with long service life and excellent anti-aging performance

Wide adaptability

Applicable to a variety of industrial equipment, automobiles, machinery, etc., with wide adaptability

Reduce maintenance costs

Highly effective dust prevention can extend the service life of equipment, reduce failure rate, and reduce maintenance and replacement costs.

After-sales guarantee

1

 / 

7

Service response speed
Technical Support and Guidance
Product Repair and Replacement
Spare Parts Supply
Regular Inspections and Maintenance
Customer Training and Education
Global After-Sales Service Network
We promise to respond quickly within 24 hours after customers submit after-sales service requests. Whether it is product failure, technical consultation or quality issues, customers can get timely support from our team. The after-sales service platform we provide supports 24-hour communication, ensuring that customers can get in touch with us at any time.
We provide comprehensive technical support, including product installation, debugging, operation training, and troubleshooting. Our experienced team offers professional advice and solutions to ensure optimal product performance. For complex issues, we also provide remote diagnostics and on-site support.
For products within the warranty period or those with quality issues, we offer free repair or replacement services. Our repair services include fault diagnosis, part replacement, and system debugging to restore the product's original performance and minimize downtime.
We offer a full range of spare parts to ensure any component damage is promptly addressed. All parts meet factory standards and undergo strict quality testing to guarantee high quality and long-term stability.
We provide scheduled inspections and maintenance services based on customer needs. This includes performance assessments, component checks, seal inspections, and maintenance recommendations to prevent downtime and ensure optimal product performance.
To ensure efficient operation and maintenance, we offer professional training services. The training covers proper product use, daily maintenance, and handling common issues. We also provide regular workshops and online educational resources to help customers improve efficiency and reduce maintenance costs.
We have after-sales service centers in multiple countries and regions to meet the needs of customers worldwide. Our international service network offers local support, efficient logistics, and technical consultation to ensure seamless product integration and timely response globally.

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