Construction Machinery: Medium-Sized Excavator Case

Model	Hydraulic system overflow valve pressure
CX80	29400 kPa - 4264.1 lb / sq. inch
CX75SR	142.8 kPa - 20.7 lb / sq. inch
CX75	204.2 kPa - 4264 lb / sq. inch
CX50B ZTS	23000 kPa - 3335.9 lb / sq. inch
CX50B	159.7 kPa - 3336 lb / sq. inch
CX47	156.9 kPa - 3277 lb / sq. inch
9007B	210.7 kPa - 4400 lb / sq. inch