Valves

1.Unloading the pressure in the hydraulic system of excavator
2.For KomatsuPC220 excavator hydraulic system
3.Easy replacement with cost effective

1. Pressure up to 4350-5075PSI
2. Replacement of the originals in dimensions and functions
3. Industry common cavity for the same excavator series

1.Hardened poppet and seat for long life
2.Filter screen standard
3. Industry common cavity with standard compact size

1.Reliable raw material suppliers
2.100% pressure testing before delivery
3. Adjustment with sensitive level and knob

1. Hardened treatment of the key parts guaranty the valve service life
2. High pressure to 4640PSI, anti-shock characteristics

1. Pressure safety relief main service valve with reliable operation in excavator hydraulic system
2. For Komatsu PC120 excavator series

1.High operation pressure up from 4567.50PSI to 5075.00PSI
2.Stable operation characteristics in severe working situation