37
PBE
August 2014
Conveyor selection chart
a
a
Note: Courtesy Spiroflow Systems, Monroe, N.C.
Tubular
drag
conveyor
Flexible
screw
conveyor
Conventional
screw
conveyor
Troughed
belt
conveyor
Cleated
belt
conveyor
En
masse
conveyor
Bucket
elevator
Vibrating
conveyor
Pneumatic
conveyor
Aeromechanical
conveyor
General features
High volume
Medium volume
Low volume
Variable conveying rate
Low maintenance
For new facilities
For old facilities
Low installation costs
High installation costs
Low energy consumption
High energy consumption
0 to 65 feet (0 to 20 meters)
65 to 98 feet (20 to 30 meters)
98 to 394 feet (30 to 120 meters)
Over 394 feet (Over 120 meters)
Functional features
Totally enclosed
Multiple inlets
Multiple outlets
Multiplane path
Can elevate
Variable conveying rate
Self-cleaning
Dust-tight
Gentle action
Pressure-tight
Self-feeding
Requires dust filtration
Bulk materials handled
Sludge
Slurry
Moist
Dry
Hot
Cold
Hygroscopic
Maintains blend
