Linde Polymer Tec Co.,Ltd. is one of the most experienced manufacturers and suppliers of excavator hose cover epdm70 seal ring in China, also supports customized service. Please feel free to buy high quality excavator hose cover epdm70 seal ring for sale here from our factory.
Excavator Hose Cover EPDM70 Seal Ring
Products Description
The Excavator Hose Cover EPDM70 Seal Ring is a seal designed for excavator hydraulic systems. It is made of EPDM and has excellent weather resistance, chemical corrosion resistance and sealing performance. The hardness of the EPDM70 seal ring is 70 Shore A, which can maintain stable performance in various harsh environments.

Products Performance Description
- Weather resistance: It can resist UV rays, ozone and extreme climate conditions, and maintain long-term stable performance.
- Chemical corrosion resistance: It shows strong tolerance to a variety of chemicals such as acids, alkalis, alcohols, ketones, etc.
- Good sealing performance: It has excellent sealing performance and can effectively prevent medium leakage.
- High and low temperature resistance: It can work normally in the temperature range of -40℃ to +120℃.
Other product applications
- Engineering machinery: In addition to excavators, it is also suitable for the hydraulic systems of engineering machinery such as loaders, bulldozers, and rollers.
- Industrial equipment: Used for sealing various industrial pipelines, valves, pumps and other equipment.
- Construction field: used for waterproofing and sealing of building roofs.
Products FAQ
Q: How long is the service life of the EPDM70 seal ring of the excavator hose cover? **
A: The service life of the EPDM seal ring is long, usually up to several years, and the specific service life depends on the use environment and maintenance.
Q: How to extend the service life of the EPDM70 seal ring of the excavator hose cover? **
A: Check the wear of the seal ring regularly, avoid long-term use in extreme temperature and chemical corrosion environments, and ensure correct installation.
Products Materials Description
Excavator hose covers usually use the following rubber materials
- 1. Nitrile rubber (NBR)
Features: Nitrile rubber is a rubber material with good oil resistance, wear resistance and chemical corrosion resistance. It has good tolerance to mineral oil, animal and vegetable oil, hydraulic oil, etc., which makes it very suitable for equipment such as excavators that may be exposed to various oil stains in the working environment. Its wear resistance can withstand the frequent movement and friction of the hose when the excavator is working, extending the service life of the hose cover.
- Application scenario: Widely used in the hydraulic system hose cover of the excavator. For example, at the end of the hose connecting the bucket hydraulic cylinder, the nitrile rubber hose cover can effectively prevent hydraulic oil leakage while resisting external wear and oil corrosion.
- 2. Neoprene (CR)
Features: Neoprene has excellent weather resistance, ozone resistance and chemical corrosion resistance. It can maintain good performance in different climatic conditions, whether in hot, humid or outdoor environments with UV radiation. This rubber also has good elasticity and tensile strength, and can adapt to the deformation and bending of the hose.
Application scenarios: Suitable for various hose covers exposed to the external environment of the excavator, such as the water pipe cover of the cooling system. During outdoor construction, the cooling water pipe cover needs to resist the erosion of sunlight, rain and various chemicals. The neoprene hose cover can effectively prevent the aging and cracking of the water pipe and ensure the normal operation of the cooling system.
- 3. Ethylene propylene diene monomer (EPDM)
Features: EPDM has excellent aging resistance and is highly resistant to ozone, UV rays, heat and chemicals. It also has good electrical insulation and elasticity. This type of rubber can still maintain good flexibility in low temperature environments and will not become hard and brittle like some rubber materials.
Application scenarios: It is more suitable for hose covers near the electrical systems of some excavators or hose covers of excavators working in cold environments. For example, at the end of the wire protection hose, the hose cover made of EPDM rubber can prevent dust and moisture from entering, and at the same time ensure good sealing performance in low temperature environments to protect the safety of the electrical system.
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