XZR8®
Product NameMain Relief Valve (Main Relief Valve) / LS Valve
Compatible ModelKomatsu PC200-7, PC200LC-7, PC210-7, PC220-7, PC300-7, PC228US-3
Valve TypeHydraulic pilot-type overflow valve/load sensitive valve
InstallationOn Main Control Valve
MaterialHigh-strength Cast Iron Valve Body, Precision Steel Valve Core
Working PressureTypically set in the range of 320-350 kg/cm² (31-34 MPa), specific to the model
SealOil-resistant Fluororubber O-Ring
WeightApprox. 0.35 kg
FunctionLimit the maximum pressure of the hydraulic system to protect the pump and actuator; LS function is used for load sensing control
Manufacturer No.
708-2L-06710708-2L-04713723-40-60101723-90-6140007959-20001
OEM Part No.
708-2L-06710708-2L-04713723-40-6010107959-20001
Interchange No.
PC200-7LS ValvePC200-7 Main Overflow ValveLS Valve 708-2L-04713
Fitment Vehicles
Komatsu PC200-7Komatsu PC200-7LSKomatsu PC200LC-7Komatsu PC210-7Komatsu PC220-7Komatsu PC300-7Komatsu PC228US-3Komatsu PC130-7Komatsu PC60-7

Hydraulic Systems - Industrial Encyclopedia

Genuine Komatsu main relief valve (OE: 708-2L-06710, 708-2L-04713) designed for PC200-7 excavators. Ensures precise hydraulic pressure regulation and system protection.