Shandong Yikaide Hydraulic Co., Ltd. is one of the leading manufacturers and suppliers of kubota mini excavator backhoe swivel factory in China. If you're going to buy kubota mini excavator backhoe swivel factory made in China, welcome to get more information from our factory. Also, customized service is available.
Products Description
hydraulic central rotary joint
The hydraulic central rotary joint is primarily utilized in the complete hydraulic systems of excavators, mini diggers, cranes, motor graders, tower cranes, and other machinery. One of the key advantages of hydraulic central rotary joints is their capacity to enhance overall system efficiency. By enabling connected components to rotate without disrupting fluid or gas flow, these joints help minimize energy loss and decrease system downtime. The hydraulic pipeline that connects the fixed and rotating parts of the entire hydraulic system allows the upper and lower sections of the pipeline to freely rotate relative to each other through 360° without any interference.
Excavators are powerful digging machines that feature a boom, stick and bucket. In addition to digging, they're used for demolition, mining, pile driving, breaking and dredging. Backhoes are smaller and more maneuverable than excavators. They feature a boom, stick and bucket in the back and a large loader on the front, which is why they're also called backhoe loaders. The biggest difference between a backhoe and a mini excavator is that a backhoe has an additional loader on the front end of the machine. Mini excavators are literally a tiny version of an excavator.
Features
For low speed and high pressure hydraulic oil.
Features
The maximum working temperature is at 120 °C.
Features
Long service life with easy field repair and maintenance.
Features
Available in both thread and flange connection.
special notes
1. The YHZ-8-5 was originally designed with a high/low-speed travel motor oil drain port. When not in use, it should not be sealed with a steel plug. It is recommended to connect it directly to the oil tank return line or seal it with a rubber dust plug.
2. Unused oil lines 1-7 can be sealed with steel plugs. Before sealing, it is recommended to inject a certain amount of hydraulic oil to ensure a longer service life.
3. During installation, ensure that the rotating gear and valve body remain concentric to ensure a longer service life.
Products Drawing
Products parameter
| Parameter Model | YHZ-8-5 |
| Oil port thread | G1/4 D=22 L=13 |
| Oil port standard | ISO 1179-1 |
| Max flow | 25L/min |
| Max pressure | 25MPa(1~7)&0.5MPa(8) |
| Diameter | 6mm |
| Rotation ways | 8 |
| Starting torque | ≤120N.m |
| Rotation torque | ≤80N.m |
| Rotation speed | ≤15r/min |
| Weight | 9.7kg |
| Operating temperature | -30~100°C |
| Working medium | 46#Anti-wear hydraulic oil |
| Oil cleanliness | NAS1638 9&ISO 4406 20/18/15 |
| Surface protecion | Spray painting |
Application
why choose us
We've specialized in hydraulic valves supply and repair services for over 20 years, so you can trust that when it comes to hydraulic mini digger swivel joint rebuild or repairs, there is no one better equipped to handle them than Yikaide.
We have the experience and expertise necessary for repairing and rebuilding hydraulic swivel joint and motors for most any mobile or industrial application.
Shandong Yikaide Hydraulic Co., LTD. supply central rotary joint directional control valev and electromagnetic valves used for mini excavator and backhoe.
Meanwhile we supply hydraulic orbital motor, hydraulic pumps, flow control valves, pressure control valves, proportional valves series, hydraulic counterbalance valve and operated pilot check valve with many other construction machine factories, such as Kobelco, Hitachi, Kubota, XCMG, Sany, Zoomlion brand etc.
FAQ
1. Question: How do you guarantee the quality of your products? What certifications do you have?
Answer: Quality is our foundation.
Manufacturing Standards: All products are manufactured in ISO 9001 certified factories, utilizing precision machining centers and automated assembly lines.
Materials and Processes: The valve body is made of high-strength cast iron/steel, and the key valve cores and sleeves undergo heat treatment and precision grinding to ensure wear resistance and long service life.
Rigorous Testing: Every valve undergoes factory testing (such as sealing and functional testing).
2. Question: What hydraulic oils are your valves suitable for?
Answer: Our standard products use mineral oil-based hydraulic oil.
3. Question: How long does it take to ship after placing an order? Do you support global delivery?
Answer:
Standard Products: We have sufficient stock of common models and can usually ship from China within 1-3 business days.
Customized Products: Depending on customization requirements (such as special voltage, interfaces), the production cycle is approximately 6-8 weeks.
Global Delivery: We support worldwide shipping through logistics partners such as DHL and FedEx, and provide door-to-door service.
4. Question: Do you have a warranty policy? What if a malfunction occurs?
Answer:
Warranty Period: We provide a 12-month quality warranty for all products (starting from the date of shipment). For malfunctions caused by material or manufacturing defects, we will repair or replace them free of charge.
Technical Support: For any technical issues, please contact our technical support team first (via phone, email, or online customer service). We provide remote troubleshooting guidance.
Repair Services: We also provide professional repair and remanufacturing services. Even after the warranty period, we can restore your valves to optimal performance at a reasonable price.
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