OPERATIONAL PERFORMANCE TEST / Standard MAIN PUMP P-Q CURVE P-Q Control (Torque Control) (REFERENCE: Measured at Test Stand) Rated Pump Speed: ZW220: 2170 min -1 (rpm) ZW250: 2240 min -1 (rpm) Hydraulic Oil Temperature:
50 ± 5 ° C (122 ± 41 ° F) T4GB-04-02-001 T4-2-11 A B C D L/min Flow Rate Delivery Pressure MPa (kgf/cm2) ZW220 ZW250 Delivery Pressure MPa (kgf/cm2, psi) Flow Rate L/min (gpm) Delivery Pressure MPa (kgf/cm2, psi) Flow Rate L/min (gpm) A 4.9 (50, 712) 271±3 (72±0.8) 4.9 (50, 712) 291±3 (77±0.8) B 19.6 (200, 2849) 270±3 (71±0.8) 19.6 (200, 2849) 290±3 (77±0.8) C 24.5 (250, 3562) 240±6 (63±1.6) 25.5 (260, 3707) 275±6 (73±1.6) D 27.4 (280, 3983) 210±6 (55±1.6) 29.4 (300, 4274) 225±6 (59±1.6)