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Introduction

It's logical in design.It adops multi-way selector valve with unloading valve fixed inside.In case of hydraulic system failure,unloading can start at any time to ensure safe operation.The action of rail hook open-close and frame up-down begins & ends at the same time to aoid faulty operation(If the rail hook isn't open,the upward frame will damage the tool).The rail hook adops heavy tongs structure.Depending on the hook gravity,rail can be hooked automatically.It possesses features of easy manipulation,reliable performance and safety.

Technical parameters

max.lifting force: single cylinder 150kN,double cylinder 150kN*2
hoist cylinder stroke:800mm+-5mm
system working pressure: 16MPa
manual pump operating force: 350N
off-track time:<150s
engine power: 9.5kW
engine rpm: 3600
weight(single set): 410kg