Shantui SP90Y Pipelayer

Maintainability

● Structural parts inherit the excellent quality of Shantui's mature products，The quality is stable；

● Seamless bellows for electrical harness、Splitter Splitter，High degree of protection；

● The core electrical and hydraulic components are imported.，The quality is stable，The reliability is extremely high。

Operational performance

● Operating device control and luffing control、Lifting control and counterweight control，The pressure reducing pilot control valve is used to control the operation mode of the hydraulic reversing valve.，It is easy to operate，Flexible and labor-saving，Fine tuning performance is good，Convenient arrangement on the machine body, etc.；

●Hook、The boom is centered on one joystick.，Single control handle for counterweight，Can be conveniently and quickly operated under various working conditions, and has good fretting performance.，That is, to ensure the accuracy requirements of users.，But also improve that operation efficiency.；

● Hook、Boom winch hydraulic motor has high volumetric efficiency and high quality balance valve.，Eliminate the phenomena of secondary sliding of winch and shaking of empty hook.；At the same time，The clutch of the hook winch realizes the free hook dropping function.。

Work adaptability

●The chassis has good stability，Low average fuel consumption，And that economy is high；

●Wide working range of the jib、Fast lifting speed of lifting hook；

●It is powerful to walk with load、The lifting capacity is strong、And that work efficiency is high；

●Hook、Stepless speed control with boom and counterweight、Combination action；

●Hook、Boom winch adopts three-stage planetary gear speed reduction and torque increase.，And that safety factor is high，And that mechanical efficiency is high；

●The whole machine is equipped with a moment limiter system.，Real-time monitoring operation dynamic，Ensure the safety of lifting。

Power system

●Heavy Cummins engine for bulldozer，High efficiency fuel injection pump，High performance，The quality is mature and stable，Social ownership is very large.，And that part have strong universality，Low maintenance cost。