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The excavator rotary joint (also known as a slewing joint) is a key component connecting the upper body and lower chassis of an excavator. Its core function is to maintain the continuity and sealing of the transmission of hydraulic oil, air, and other media during the equipment's 360° rotation.
It consists of an outer shell and a shaft, internally containing multiple channels and sealing rings (such as O-rings).
It uses a flange connection and can be integrated into the equipment, resulting in a compact structure.
Through the cooperation between the rotating shaft and the fixed pipeline, seamless transmission of media (hydraulic oil, gas, etc.) is achieved from the fixed end to the rotating end.
Sealing devices prevent media leakage and ensure that the oil pipes do not tangle or become entangled during rotation.
Classified by Application: Includes hydraulic rotary joints, multi-channel rotary joints, excavator-specific rotary joints, etc.
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brand |
OEM |
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Warranty period |
No after-sales service |
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Mechanical test report |
Unavailable |
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Brand Name |
OEM |
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quality |
High quality |
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country of origin |
Shandong, China |
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Video factory inspection |
Unavailable |
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Product Name |
boom cylinder |
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Part Name |
boom cylinder |
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brand |
OEM |
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Warranty period |
No after-sales service |
