Hydraulic Swivel Joint manufacturers Mini Excavator Hydraulic Swivel Joint 聽 Introduction 聽 Mini Excavator hydraulic swivel joint connects the lower and upper hydraulics of the machine through a center shaft and an outside housing. By using holes bored into the center shaft, the swivel directs fluid to specific channels (or inner barrels) created by the shaft and the housing. This design allows hydraulic fluid to flow from the center shaft, through the inner barrels, and in or out of a specific hole in the housing. A bearing (or multiple bearings) allows the shaft to spin freely from the housing and seals e in the body, it is able to rotate at any angle and maintain the connection between the oil passages of body and core shaft to achieve continuous rotation. 聽 Application 聽 Mini Excavator 1 to 3 tons; Truck Mounted Crane 1 to 3 tons. 聽聽Hydraulic Swivel Joint manufacturers website:http://www.yikde.com/excavator....-hydraulic/hydraulic