Excavator parts Komatsu pc78 hydraulic pump lift valve core
assembly PC78 lift valve core pressure regulator sleeve valve core
pressure regulator pump pressure regulator
| Name | lift valve core |
| Parts No | -- |
| Machine Model | -PC78 |
| Category | Fan Pump Parts, Piston Pump |
| Lead time | 2-4 DAYS |
| Quality | Brand new, |
| MOQ | 1 PCS |
| Means of transport | By sea/air, DHL FEDEX UPS TNT EMS |
| Packing | As request or standard packing |
Excavator accessories lifter valve core Komatsu PC78 hydraulic pump
lifter valve core assembly PC78 lifter valve core pressure
regulator sleeve valve core pressure regulator pump pressure
regulator
Working pressure principle
The housing of the lifter is equipped with multiple oil channels
and interfaces for connecting the hydraulic pump and other related
components to transport and distribute hydraulic oil. When the
hydraulic system is working, the pressure oil enters the lifter
from a specific oil channel. The valve core moves in the housing
and regulates the flow direction and pressure of the hydraulic oil
by changing the on-off state of different oil channels. For
example, when the valve core is in a certain position, the pressure
oil can flow to a specific actuator to drive it to work; while in
another position, the oil flow direction may be restricted or
changed, causing the actuator to stop or change its action. The
piston cooperates with the valve core to transfer the liquid
pressure, and the spring provides the valve core with a reset
force, so that the lifter can return to its initial state when
there is no external command.
Function
The PC78 lifter valve core assembly can accurately control the flow
direction and pressure of the hydraulic oil according to the
different working conditions of the equipment. For example, when
the excavator is working, the pressure and flow direction of the
hydraulic oil can be adjusted according to different actions such
as digging, lifting, and rotation, so that each component can work
with appropriate force and speed, which can not only meet the
working requirements but also improve efficiency and reduce energy
consumption. At the same time, it can also protect the hydraulic
system and prevent excessive pressure from damaging system
components. When the system pressure exceeds the set value, the
valve core can open the overflow channel and other methods to allow
excess oil to flow back to the oil tank, thereby controlling the
pressure within a safe range.
Our advantage
1. Stable performance: under normal use conditions, the performance
of the product will not change significantly, which can meet the
needs of users.
2. Stable appearance: the appearance of the product will not be
obviously worn, faded or deformed during long-term use and storage.
3. Stable durability: the structure, performance and function of
the product will not be significantly reduced during long-term use,
and it can withstand various harsh environmental conditions.
4. Reliability and stability: during the long-term use of the
product, its failure rate is low and it can maintain a stable
running state.
FAQ:
1.What do you mainly produce?
A;Our main business hydraulic Spare Parts,safety valve,Gear
pump,hydraulic pump,control valve,Trave Motor Assy,swing motor,Seal
kit, Electric parts,solenoid valve, engine assembly.etc.
2, Do you have stock for the goods?
A;We have plenty stock for many items in the warehouse.
3. Do you test all your goods before delivery?
A: Yes, we have a 100% test before delivery.
4.I know only the excavator model, but can not offer parts No.,
what should I do ?
A;If possible, you can send us the old photo, nameplate or the size
for reference.
5.can I order one of our samples for testing first?
A: Of course!
Welcome to contact us for Inquiry & orde
If you are not sure about the model and part number - please
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