This multi-circuit pump was designed to support the Pratt & Whitney Power Systems FT4 engine and is a direct replacement to the Nichols Model GM626 lube oil pumps originally installed on the power turbine lube skid. This heavy duty pump provides superior reliability and durability.
Working Fluid | Turbine Oil (e,g,, MIL-PRF-23699, MIL-PRF-7808) |
Operating Speed (rpm) | 3600 (60 Hz), 2,950 (50 Hz) |
Lube Flow, 2,950 rpm (gpm) | 9.8 |
Lube Pressure, Nominal (psid) | 100 |
Relief Pressure (psid) | 120 |
Scavenge Capacity (gpm) | 25 (#7 bearing) & 50 (#8/9 bearing) |
Scavenge Air/Oil Ratio, Nominal | 8:1 |
Scavenge Fluid Temperature, Maximum (°F) | 300 |
Mean Time Betweem Overhaul, MTBO (hours) | 40,000 |