NOV FB 1600 Pump Case

• Rated horsepower: 1,600 HP (1,193 kW) at 120 SPM (strokes per minute).

• Gear reduction ratio: 4.31 :1. NOV+1

• Maximum liner size by stroke: 7 in x 12 in (178 mm x 305 mm). NOV+1

• Discharge outlet size: 5 in (127 mm) API flange. NOV+1

• Maximum working pressure (depending on liner size): up to ~ 7,500 psi (≈ 527 kg/cm²) for the 5” liner.

Performance (selected liner sizes)

For the 7 in liner:

• At 120 SPM: ~720 GPM (≈2,724 L/min)

• At 80 SPM: ~480 GPM (≈1,816 L/min)

• Gallons per revolution: ~6.00 (≈22.70 L)

For smaller liners the pressure rating increases as size decreases. For example:

• 6.75 in liner => ~3,688 psi (≈259 kg/cm²)

• etc.

Mechanical & other details

• Based on 100% volumetric efficiency and 90% mechanical efficiency.

• Typical stroke length: 12 in.

• Minimum speed reported: ~40 RPM (crankshaft) in some units.

• Approximate dry weight (for units listed): ~45,366 kg (≈100,000 lb) in one detailed listing.