Pressure Head

Pressure (psi)
Specific Gravity
Head (ft)

Total Dynamic Head

Pumping Water Level from Datum (ft)
Head above Datum (ft)
Velocity Head (ft)
Column Friction Losses (ft)
Friction Loss through Discharge Head (ft)

Bowl Horsepower

Capacity (gal/min)
Total Dynamic Head (ft)
Specific Gravity
Bowl Efficiency

Total Thrust Acting on Driver
Thrust Bearing

Bowl Thrust Factor (lbs/ft of head)
Total Dynamic Head (ft)
Shaft Weight (lbs/ft)
Setting from Head Base to Top of Bowls (ft)

Field Head

Pumping Water Level from Datum (ft)
Head above Datum (ft)

Power Loss due to Shafting

Unit Power Loss (hp/ft)
Setting from Head Base to Top of Bowls (ft)

Power Loss in Thrust Bearings

Rotational Speed (rpm)
Total Thrust (lbs)

Motor Load

Bowl Horsepower
Power Loss due to Shafting
Power Loss through Thrust Bearing

Field Efficiency

Capacity (gal/min)
Field Head (ft)
Specific Gravity
Brake Horsepower (Motor Load)

Input Horsepower (Power Supplied
to Driver)

Brake Horsepower (Driver Load)
Driver Efficiency

Overall Efficiency

Field Efficiency
Driver Efficiency

Shaft Elongation

Total Dynamic Head (ft)
Setting from Head Base to Top of Bowls (ft)
Bowl Thrust Factor (lbs/ft of head)
Shaft Cross-Section (in)