The MAGNA MT620H is a horizontal screen designed for handling large quantities of sticky materials and delivering precise, fine sizing, making it perfect for numerous construction and mining contracts. It excels in handling materials such as natural and crushed aggregates, coal, iron ore, and recycled concrete and asphalt.
FEATURES & BENEFITS
High capacity up to 800 tph / 881 US tph (depending on media sizes & material type)
Maximum feed size 250mm (10’’)
Maximum allowable feed size may vary depending on material type and screenbox media
Heavy duty wear resistant feed hopper
Quick set-up time
Maximum mobility with heavy duty, low ground pressure crawler tracks
Optional radio control system available if required
High performance hydraulics system
Galvanised maintenance platforms on both sides of screen
Hydraulically folding for transport
Heavy duty, triple shaft horizontal screenbox with adjustable stroke, angle & speed
Direct feed hopper with impact bars & rollers
Roll-in chute system
MAGNA telemetry as standard
SCREENBOX
6.1m x 1.93m (20’ x 6’ 4”) (All 3 decks)
3 deck triple shaft horizontal screenbox
Oval stroke adjustable up to maximum of 19mm
Oval stroke angle adjustable from 30º - 60º
Breaker-box with wear resistant steel replaceable wearplate
Hi-torque screen motor mounted direct to Screenbox, pulley driven
Marshmallow springs
Wear plates on pipeunits
Side tensioned all decks
Quick release wedge tensioning system (optional
depending on screen media)
Roll-in chute system
HOPPER
Target area: 5.23m (17’ 2’’) long x 2.7m (8’ 10”) wide
Hopper capacity: 8.2m3 (10.72 cu. yd.)
Feed in height: 3.4m (11’ 2”) (rear door lowered)
Feed in width (Rear): 2.8m (9’ 2”)
Hydraulic folding hopper sides
Wear resistant steel on hopper sides
BELT FEEDER
Drum centres: 4.36m (14’ 4”)
Drum diameter (drive): 375mm (14.8”)
Drum diameter (tail): 320mm (12.6”)
1300mm (52”) 4 ply plain belt
Direct drive system with twin gearboxes
Variable speed control
Impact bars and ‘extra heavy’ duty rollers fitted beneath belt
CONVEYORS
Underscreen
1500mm (60”) 3 ply plain belt
Direct drive system
Variable speed control
Drum centres: 6.25m (20’ 6”)
Drum diameter (drive): 270mm (10.6”)
Drum diameter (tail): 270mm (10.6”)
Finesize - Side Conveyor
900mm (36”) 3 ply plain belt
Angle adjustment: 14º - 25º
Stockpile height: 4.3m (14’ 1’’)
Stockpile capacity: 119m3 (156 cu. yd.)
Drum centres: 9.5m (31’ 2”)
Drum diameter (drive): 286mm (11.3”)
Drum diameter (tail): 203mm (8”)
• Hydraulically folding
• Impact bars under feedboot
• Direct drive system
• Variable speed control
Mid - Finesize & Mid-Oversize - Side Conveyor
Angle adjustment: 14o - 25o
Stockpile height: 4.4m (14’ 5’’)
Stockpile capacity: 129m3 (166 cu. yd.)
Drum centres: 8.92m (29’ 3”)
Drum diameter (drive): 286mm (11.3”)
Drum diameter (tail): 203mm (8”)
Hydraulically folding
Impact bars under feedboot
Direct drive system
Variable speed control
900mm (36”) 3 ply plain belt
Oversize - Tail Conveyor
Angle adjustment: 10o - 25o
Stockpile height: 4m (13’ 1’’)
Stockpile capacity: 95m3 (124 cu. yd.)
Drum centres: 5.15m (16’ 11”)
Drum diameter (drive): 286mm (11.3”)
Drum diameter (tail): 203mm (8”)
1400mm (56”) 4 ply plain belt
Direct drive system
Variable speed control
Impact bars
Conveyor slide out system to aid screen mesh changing
ENGINE
CAT C7.1 151 kW (202hp) @ 2200rpm