Manual
A-6 Catalog Number Explanation – Drive Selection
7000A-RM001A-EN-P – January 2011 7000 “A” Frame
Table A-5 – Typical Application Load Torque Profiles *
Load Torque as Percent
of Full-Load Drive Torque Application
Load
Torque
Profile
Break-away Accelerating Peak Running
Required Drive
Service
Duty Rating
Tachometer
Required for Extra
Starting Torque?
Agitators
Liquid CT 100 100 100 Heavy Yes
Slurry CT 150 100 100 Heavy Yes
Blowers ( Centrifugal)
Damper Closed VT 30 50 40 Normal No
Damper Open VT 40 110 100 Normal No
Chipper ( Wood) Starting Empty CT 50 40 200 Contact Factory No
Compressors
Axial-vane, Loaded VT 40 100 100 Normal No
Reciprocating, start unloaded CT 100 50 100 Normal Yes
Conveyors
Belt type, loaded CT 150 130 100 Heavy Yes
Drag type CT 175 150 100 Contact Factory Yes
Screw type, loaded CT 200 100 100 Contact Factory Yes
Extruders (Rubber or Plastic) CT 150 150 100 Contact Factory Yes
Fans ( Centrifugal, ambient)
Damper closed VT 25 60 50 Normal No
Damper open VT 25 110 100 Normal No
Fans ( Centrifugal, hot gases)
Damper closed VT 25 60 100 Normal No
Damper open VT 25 200 175 Contact Factory No
Fans ( Propeller, axial flow) VT 40 110 100 Normal No
Kilns ( Rotary, loaded) CT 250 125 125 Contact Factory Yes
Mixers
Chemical CT 175 75 100 Contact Factory Yes
Liquid CT 100 100 100 Heavy Yes
Slurry CT 150 125 100 Heavy Yes
Solids CT 175 125 175 Contact Factory Yes
Pulper VT 40 100 150 Contact Factory No
Pumps
Centrifugal, Discharge open VT 40 100 100 Normal No
Oil field Flywheel CT 150 200 200 Contact Factory Yes
Propeller VT 40 100 100 Normal No
Fan Pump VT 40 100 100 Normal No
Reciprocating / Positive Displacement CT 175 30 175 Contact Factory Yes
Screw type, started dry VT 75 30 100 Normal No
Screw type, primed, discharge open CT 150 100 100 Heavy Yes
Slurry handling, discharge open CT 150 100 100 Heavy Yes
Turbine, Centrifugal, deep-well VT 50 100 100 Normal No
Vane-type, positive displacement CT 150 150 175 Contact Factory Yes
Separators, air ( fan type ) VT 40 100 100 Normal No
* NOTE: PowerFlex 7000 “A” Frame suitable only for normal duty service rating.