Characteristics of ON/OFF should be borne in rotary joints with high precision. In the instant of ON/OFF while coolant is flowing through, leakage needs to be prevented. hen coolant stops flowing through, the contact surfaces have to be opened to prevent dry friction so that the system life cycle is elongated. pecial design is the maze-design subassembly to prevent leakage of circumfluence. he two contact surfaces are made out of anti-wear-out and Tungsten Carbide for suppression of mechanical jolt. se stainless spring, preventing rusting, or other mechanical disturbance. irection of connection for RMB and RMF coolant is different.

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