Magna MT620HR Horizontal Screen

The MAGNA MT620HR 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. The MT620HR model features an recirculating swivel conveyor for oversized product. The conveyor is used to return product back to the feeder.

Adjustable elliptical throw combines linear and circular amplitude producing an aggressive screening action. It excels in handling materials such as natural and crushed aggregates, coal, iron ore, and recycled concrete and asphalt.

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TECHNICAL SPECIFICATIONS

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

Recirculating oversize capacity tailored for crushing applications

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 with removable panels offering blending options between upper midsize & lower midsize


HOPPER


Target area: 5.8m (19’) long x 2.55m (8’ 4”) wide

Hopper capacity: 4.33m3 (5.67 cu. yd.)

Feed in height: 2.82m (9’ 3”)

Feed in width (Rear):  2.8m (9’ 2”)

Replaceable wear resistant steel panel liners


BELT FEEDER


1300mm (52”) 4 ply plain belt

Direct drive system with twin gearboxes

Variable speed control

Impact bars at inlet impact section

Heavy duty belt feeder option available


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

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 - Side Conveyor

900mm (36”) 3 ply plain belt

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


Oversize - Side Conveyor

900mm (36”) 3 ply plain belt

Angle adjustment:  14º - 25º

Stockpile height:  4.4m (14’ 15’’)

Stockpile capacity:  128m3 (167 cu. yd.)

Drum centres:  6.9m (22’ 8”)

Drum diameter (drive):  286mm (11.3”)

Drum diameter (tail):  270mm (10”)

Direct drive system

Variable speed control

Impact bars under feedboot

Wear resistant steel lined feed chute

Hydraulically folding


Mid - Oversize - Tail 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):  270mm (10”)

Hydraulically folding

Impact bars under feedboot

Direct drive system

Variable speed control


Oversize - Cross Conveyor

800mm (32”) 3 ply plain trough belt

Drum centres: 1.92m (6’ 4”)

Drum diameter (drive): 223mm (8.8”)

Drum diameter (tail): 203mm (8”)

Hydraulic slide to enable screen mesh access

Variable speed control


ENGINE


CAT C7.1 151 kW (202hp) @ 2200rpm


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