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GDK Dust Seal Dkb Dkbi PU+SPCC Wiper Seal for Excavator
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GDK Dust Seal Dkb Dkbi PU+SPCC Wiper Seal for Excavator

  • DKBI

  • GDK

Product Introduction for Dust Seal

Product Structure:

The dust seal ring is a double-lip seal, with the a metal oil seal and polyurethane adhesive together. The advantages of product design are as follows:

1、Good followability and dust-proof performance with the thickened and lengthened dust-proof lip design

2、Anti-scratch-oil design with a R-angle for the dust-proof lip

3、Waterproof lip design

4、The best design point for the sealing lip and the dust-proof lip maintains a certain lubricating oil film on the piston rod, meanwhile, during the reciprocating motion,  the oil film attached to the piston rod will not be scraped off through the dust proof lip, and result in a leakage.

Application Introduction:

The Dust-proof Ring is used to prevent dirt from entering the hydraulic system and improve the sealing effect. The press-in installation can prevent the foreign objects from entering the system. It is widely used in heavy pollution dust-proof sealing for excavators, loaders, agricultural machinery, and other work conditions with certain waterproof requirements.

Product Performance Details:



Test Value


Shore A


Tensile Strength




Compression Set



Operating Temperature Range


                 (120℃)Thermal  Aging Test


2000H Variation

Tensile Strength




Production technology process :

  1. Stamping        

  2. Pre-Processing  

  3. Test  

  4. Adhesive Application on Metal seal

  5. Finished product Storage

  6. FQC

  7. Injection molding


Introducing our professional-grade oil seal gasket, designed to provide optimal protection for your hydraulic cylinder. Crafted with a combination of NBR PU and SPCC materials, this dustproof oil seal serves as the first line of defense against dust particles, effectively preventing them from infiltrating the inner workings of your hydraulic cylinder.

With its superior sealing capabilities, our oil seal gasket acts as a reliable barrier, keeping your hydraulic system free from harmful contaminants. By effectively blocking out dust and other debris, it ensures smooth and efficient operation, prolonging the lifespan of your equipment.

Constructed with precision and durability in mind, this oil seal gasket is built to withstand the demanding conditions of hydraulic systems. Its high-quality materials offer excellent resistance to wear, tear, and corrosion, ensuring long-lasting performance and reliability.

Whether you're in the industrial, automotive, or manufacturing sector, our oil seal gasket is an essential component for maintaining the efficiency and longevity of your hydraulic cylinder. Trust in our product to provide the utmost protection against dust, ensuring optimal performance and minimal downtime.

Invest in our NBR PU + SPCC material oil seal gasket today and experience the difference it can make in safeguarding your hydraulic cylinder from dust and debris. With its professional-grade quality and superior sealing capabilities, it is the ideal choice for industries that demand excellence and reliability.

Guangzhou GDK Seals Technology Co., Ltd is a specialized sealing solution provider.



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