Pipe Jacking Machine Hydraulic Relay Cylinder
Function:
Essential in long-distance pipe jacking, mainly responsible for relaying the thrust of the main jacking cylinder to overcome soil friction resistance and extend the distance of single pushes. Relay cylinders improve thrust transmission efficiency, maintaining stable propulsion during continuous jacking, accelerating construction progress, and reducing downtime. They also have excellent sealing and pressure resistance, ensuring stable operation under high pressure and enhancing the safety and efficiency of jacking operations.
Parameters:
Cylinder diameter | Φ140mm-320mm |
Rod diameter | Φ90mm-200mm |
Stroke | 200mm-1000mm |
Working pressure | 35MPa |
Connection form | Thread |

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Used for truck crane, aerial work platform vehicle, bridge inspection vehicle, sanitation vehicle, etc.
Annual output of various types of hydraulic cylinder products more than 160000
Can produce φ30~φ500 inner diameter
Various types of cylinders up to 12 meters
Used for truck crane, aerial work platform vehicle, bridge inspection vehicle, sanitation vehicle, etc.
Annual output of various types of hydraulic cylinder products more than 160000
Can produce φ30~φ500 inner diameter
Various types of cylinders up to 12 meters
Rod diameter: Φ20mm-220mm
Length: 0mm-8000mm
Plating: Chrome
Thickness: 0.03mm ~ 0.08mm
Material: 45#, 40Cr, 42CrMo