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Hydraulic Centre Joint is the key component of the hydraulic systems,The Hydraulic Centre Joint consist of rotary shaft, rotary body, end cover and O-ring seal, dust proof ring, bolts and so on. The product features small rotating moment, flexible rotation, high pressure, good sealing performance, long life. The rotary body is installed on the lower platform while rotary shaft is installed on the upper platform. The rotary shaft can rotate with the rotation of upper platform. The hydraulics pipelines in the system can be connected to ports on the rotary shaft and rotary body. So the upper and lower parts of the hydraulic pipelines have a relative rotary motion of 360 degrees withÂout interference.
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It is widely used in fully hydraulic excavators, cranes, aerial work vehicle, shield machine, rotary excavator, grader, and offshore work platform.etc. The Hydraulic Centre Joint are popular to Sany, XCMG, Liugong, Longgong, SDLG, Lovol and other famous domestic construction machinery manufacturers as well as foreign brands such as European and American Caterpillar, John Deere, Volvo, JCB, Korea Hyundai, Doosan, Sumitomo, Kobelco, and Hitachi.
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