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Buffer Seals

Buffer Seals are critical components in excavators, primarily used in hydraulic cylinders to absorb shock and prevent fluid leakage. They are positioned in front of the primary rod seals to protect them from high-pressure spikes and sudden load changes. By cushioning these impacts, Buffer Seals enhance the durability and performance of the hydraulic system, reducing wear and tear on seals and other components. This leads to improved operational efficiency, extended service life, and reduced maintenance costs. Their robust design ensures reliable performance under the demanding conditions typical of excavation work.


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Types of Hydraulic Cylinder Buffer Seal

Role of Buffer Seals

Role of Buffer Seals

Buffer seals play a crucial role in the hydraulic systems of excavators, particularly in the hydraulic cylinders that control the movement of the boom, arm, and bucket. These seals are designed to absorb shock and reduce pressure spikes within the hydraulic system, thereby protecting other seals and components from damage.


When an excavator operates, it often encounters varying loads and impacts, especially during digging and lifting activities. Buffer seals are positioned in front of the primary rod seals to absorb these shocks and pressure surges. By doing so, they help to prevent hydraulic fluid leakage and reduce wear and tear on the primary seals. This not only extends the lifespan of the hydraulic cylinders but also ensures smoother and more efficient operation.


Additionally, buffer seals help to maintain the integrity of the hydraulic system by preventing contaminants from entering and causing damage. They act as a secondary line of defense, ensuring that the hydraulic fluid remains clean and the system operates at optimal performance.


In summary, buffer seals are essential for enhancing the durability, efficiency, and reliability of an excavator’s hydraulic system, ultimately contributing to the machine’s overall performance and longevity.


Hydraulic Seals Application

As a premier seals supplier, Jiarui offers versatile sealing elements for a multitude of fields. Our products are indispensable in mechanical and equipment engineering, construction engineering, and various other industries. Our seals enhance performance and reliability, tailored to meet the specific needs of each sector. By delivering high-quality, application-focused solutions, we support modern industrial advancements and ensure optimal functionality across diverse engineering applications, fulfilling the varied demands of our customers.

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Room 807, Building No.7, No.36 Zhuji Road, Tianhe District, Guangzhou, China
A5 Building, Zhucun No.6 Industrial Zone, Tianhe District, Guangzhou, China
GUANGZHOU JIARUI SEALS CO., LTD.
Produce sealing elements for you! Whenever and whatever you need, we can provide the best solution for you.
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GUANGZHOU JIARUI SEALS CO., LTD.
Produce sealing elements for you! Whenever and whatever you need, we can provide the best solution for you.
To Know JR SEAL More
Room 807, Building No.7, No.36 Zhuji Road, Tianhe District, Guangzhou, China
A5 Building, Zhucun No.6 Industrial Zone, Tianhe District, Guangzhou, China
jrsealseo@gmail.com 020-32381126