DHZ-29 Directly Excavator Parts Supplied Hydrualic Rotary Joint 

whats the feature of  rotary joint?                                                             

the role of rotary joints is ensurance the supply of hydraulic oil while the upper body of excavator and undercarriage of excavator make the relative activity.the hydraulic oil transit it to travel motor by excavator rotary joint,when the excavator rotary.the ordinary oil pump can' compare it to the rotary joints,while the life span of ordinary oil pump is shorter than the rotary joint 

Whats the technical parameters of rotary joint?                                          

Model:DHZ-29

the number of port:7

rated flowing :50L/min 

Rated Pressure:25Mpa

Max working pressu37.5Mpa

The tempreture range:-30℃+80℃

Whats the photos of rotary joint?                                                          

Factory Plant of rotary joint                                                                         

Quality Control of rotary joint                                                                      

Certificate of rotary joint                                                                            

After-sales service of rotary joint                                                             

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