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Raising Cylinder
Overview
The raising cylinder is a kind of double-acting multiple-level hydraulic cylinder, and mainly used for raising and lowering the telescoping mast of mobile drilling rig and workover rig.
Model of the Raising Cylinder
There are four (4) kinds of raising cylinders which mainly used in the truck-mounted drilling rig and workover rig:
Y(3)127/446, 0# raising cylinder, for ZJ40 truck-mounted drilling rig
Y(3)74/446, 1# raising cylinder, for ZJ30 truck-mounted drilling rig
Y(3)59/370, 2# raising cylinder, for ZJ20 truck-mounted drilling rig
Y(3)45/345, 3# raising cylinder, for XJ250 workover rig
Technical Specifications of Raising Cylinder
Model: Y(3) 74/446
Retracted length: 2,000mm
Extended length: 6,465mm
Total stroke: 4,465mm
Rated pressure: 14MPa (2,000PSI)
Load capacity: 740kN@12MPa
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