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STANDARD CONVEYOR RUBBER THICKNESS
MATERIAL HANDLED
TOP COVER
BOTTOM COVER
Belt length
Belt Length
Below 40m
30-150m
Over 120m
Below 40m
30-150m
Over 120m
mm
inch
mm
inch
mm
inch
mm
inch
mm
inch
mm
inch
Non-abrasive: Fine Coal,Wood Chips,Grain Chips,Ash cement,etc.
3.2
1/8
1.6
1/16
0.8
1/32
1.6
1/16
1.6
1/16
1.6
1/16
sightly Abrasive:Sand, Earth, Bituminous Coal, Clay, Salt etc.
4.8
3/16
3.2
1/8
3.2
1/8
1.6
1/16
1.6
1/16
1.6
1/16
Very Abrasive : Undressed Coal, Crushed stone, Geavel Coke, etc.
6.4
1/4
4.8
3/16
4.8
3/16
3.2
1/8
1.6
1/16
1.6
1/16
Extremely Abrasive : Limestone, Metal Ores, Slag Iron, Glass etc.
9.6
3/8
6.4
1/4
6.4
1/4
4.8
3/16
3.2
1/8
3.2
1/8
SPECIFICATION AND MINIMUM PULLEY DIAMETER
Fabric Conveyor Belt
Belt Tensile Strength Min.(kg/cm)
Allowable Tension Rating Max.(kg/cm)
Kind of Carcass
Recommended Minimum Pulley Diameter(mm)
No. of Plies
2
3
4
5
6
160
16.0
NN
200
EP
200
250
25.0
NN
200
300
EP
300
400
315
31.0
NN
200
300
350
EP
300
400
450
400
40.0
NN
250
300
400
450
EP
350
400
500
550
500
50.0
NN
250
350
400
450
500
EP
350
450
550
600
700
630
63.0
NN
300
400
450
500
550
EP
400
500
600
700
800
800
80.0
NN
450
500
550
600
EP
600
700
750
850
1000
100.0
NN
500
550
600
650
EP
700
800
850
950
1250
125.0
NN
600
650
700
750
EP
800
900
1000
1050
1500
150.0
NN
750
800
850
EP
1000
1150
1300
1800
180.0
NN
900
1000
EP
1300
1400
2000
200.0
NN
950
1050
EP
1400
1500
2500
250.0
NN
1150
EP
1650
SPECIFICATION AND TECHNICAL DATA OF MULTI-PLY NYLON CONVEYOR
Fabric specs
Ply Thickness (mm/P)
Strength series (N/mm)
Cover Thickness (mm)
Width
2(Ply)
3(Ply)
4(Ply)
5(Ply)
Top
Bottom
(mm)
NN-100
0.7
200
315
400
500
1.5-8
0-4.5
400-1600
NN-125
0.75
250
375
500
625
NN-160
0.8
315
500
630
800
NN-200
0.9
400
600
800
1000
500-1600
NN-250
1.1
500
750
1000
1250
NN-315
1.25
940
1250
1500
NN-350
1.35
1050
1400
1750
800-1600
NN-400
1.75
1600
2000
NN-500
1.8
2000
2500
STRENGTH CLASSES AND NUMBER OF PLIES
Strength Class
2 - ply
3 - ply
4 - ply
5 - ply
6 - ply
160
160/2
       
250
250/2
250/3
     
315
3115/2
315/3
315/4
   
400
400/2
400/3
400/4
400/5
 
500
 
500/3
500/4
500/5
500/6
630
 
630/3
630/4
630/5
630/6
800
 
800/3
800/4
800/5
800/6
1000
 
1000/3
1000/4
1000/5
1000/6
1250
 
1250/3
1250/4
1250/5
1250/6
1500
     
1500/5
1500/6
1800
     
1800/5
1800/6
2000
     
2000/5
200/6
2500
     
2500/5
2500/6