double cylinder wood grabber:
1. 360 degree hydraulic rotation to provide more flexible grasping effect.
2. the balance valve is built in the cylinder, which runs smoothly, keeps clamping force and has higher safety.
3. motor two-way relief valve and two-way balance valve to avoid hydraulic impact on the motor.
single cylinder wood grabber:
1. 360 degree hydraulic rotation to provide more flexible grasping effect.
2. it has simple structure, light weight and large grasping force.
3. the connecting rod guarantees the synchronization of grasping of the two grabs.
4. the balance valve is built in the cylinder, which runs smoothly, keeps clamping force and has higher safety.
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