Ply Conveyor Belt Construction :
 
TEXTILE PLY CONVEYOR BELTS :

Nylon / Nylon Conveyor Belts (NN Carcass) : Nylon Warp / Nylon Weft

Charateristics :

• Excellent Elasticity
• High tensile strength with low weight
• High Impact Resistance
• Good for transportation for middle and long distance
• Good Flexibility & trougability
• Stong adhesion to rubber
 
Polyester / Nylon Conveyor Belts (EP / PN Carcass) : Polyester Warp / Nylon Weft
 
Charateristics :

• Low elongation in application
• All advantages of NN belts
• High load and speed of transportation
• Advanced resistance to mildew,moisture & rotting
 
Features of Sharda Conveyor Belts :
 
• Plys : 1 – 12
• Total thickness : 50 mm (2”) max.
• Top cover thickness : 25.4 mm (1”) max
• Bottom cover thickness : 0 – 25.4 (1”) mm
• Edge : Cut edge or moulded edge
• Max. fabric strength : EP / NN 500
• Max width : 2200 mm (upto 3100 mm possible)
• Belt with cross breakers available
 
Cover Specifications :
 
Characteristics
Min.
kg/cm2
Tensile Strength
Ibs/in2
Min. Elongation
%
Max.Abrasion Loss
mm3
General Light Duty Service
> 150
> 2130
> 400
< 250
Medium Abrasion Resistance
> 190
> 2700
> 450
< 200
High Abrasion Resistance
> 240
> 3410
> 500
< 120
Super Abrasion Resistance
> 180
> 2560
> 400
< 90
Oil Resistance
> 140
> 1850
> 400
< 250
Moderate Oil Resistance
> 155
> 2135
> 450
< 200
Heat Resistance HRT1
> 180
> 2560
> 600
< 250
Heat Resistance HRT2
> 150
> 2130
> 500
< 300
Heat Resistance HRT3
> 170
> 2410
> 450
< 300
Flame Resistance FR / FRAS
> 140
> 1850
> 550
< 300
Standards Complied :

Our technicians / equipment are trained to manufacture belts as per : DIN 22102 (German), AS 1333 (Australian), SABS (South African), RMA (US, South America), BS 490 (British), JS (Japanese)
 
COVER SELECTION :

General Light Duty Service
Common References : DIN – Z :
Very economical for moderately abrasive / small size material.


Medium Abrasion Resistance
Common Reference : DIN - Y, N, RMA 2, BS - N 17, AS – N, JIS – G :
Recommended for moderate abrasion resistance applications, mostly above ground. Regularly used for
transportation of Coal, crushed ores, limestone, bauxite, sand, cements etc…


High Abrasion Resistance
Common Reference : DIN - X, M, RMA 1, BS – M24, AS – M, JIS – S :
Excellent abrasion resistance against cutting, gouging, heavy impact, during transportation of heavy
rocks, sharp stones and highly abrasive materials.


Super Abrasion Resistance
Common Reference : DIN - W :
Recommended in extremely abrasive applications such as Copper & gold ore, sinter, coke. It provides
high resistance without increasing cover thickness and weight of the belt.
Oil Resistant (OR) & Moderately Oil Resistant (MOR) :
Specifically used for transportation of specific materials with high / moderate concentration of animal or
vegetable fats. The special compound used in the covers, avoids damage / swelling of belt also during
transportation of material with pine oil, wood oil, olive oil, petroleum etc….


HEAT RESISTANCE BELTS

HR – T1 :
Special rubber compound, containing high quality SBR, helps in transportation of material such as coke,
clinkers, hot lime stone, in the medium temperature range, upto 120° C.

HR – T2 :
EPDM rubber compound can withstand temperature upto 150°C for transportation of material such as
cement, sintered coke, soda ash.

HR – T3 :
Special rubber compound of operation in very high temperature range upto 200°C .

Flame / Fire Resistance Belts (FR/FRAS) :
Ideal for applications in Thermal plants, underground mines etc. To avoid risks against fire hazard possibilities,
because the belts have a self extinguishing cover.

Also available :
Chemical - acid / alkali resistant conveyor belts, cold resistant conveyor belts.
 
Strength Classes and No. of Plies
Strength Class (KN/m)
2-PLY
3-PLY
4-PLY
5-PLY
6-PLY
160
160/2
200
200/2
250
250/2
250/3
315
315/2
315/3
400
400/2
400/3
400/4
500
500/3
500/4
500/5
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
1500/4
1500/5
1500/6
1600
1600/4
1600/5
1600/6
1800
1800/5
1800/6
2000
2000/5
2000/6
2500
2500/6
3000
3000/6

Minimum recommended Pulley Diameters :
Pulley Dia. in mm
Ply Number
Belt Type
Fabric Code
2
3
4
5
6
7
8
9
10
Nylon Conveyor Belt
NN100
200
250
315
400
500
630
800
1000
1250
NN125
200
250
315
400
500
630
800
1000
1250
NN150
200
250
315
400
500
630
800
1000
1250
NN200
250
315
400
500
630
800
1000
1250
1400
NN250
250
315
400
500
630
800
1000
1250
1400
NN300
400
500
630
800
1000
1250
1400
1400
1600
NN400
500
630
800
1000
1250
1400
1600
1600
1800
NN500
630
800
1000
1250
1400
1600
1600
1800
NN600
800
1000
1250
1400
1600
1600
1800
2000
EP Conveyor Belt
EP100
200
250
315
400
500
630
800
EP125
200
250
315
400
500
630
800
EP160
250
400
500
630
800
1000
1250
EP200
315
500
630
800
1000
1250
1400
EP250
400
630
800
1000
1250
1400
1600
EP300
500
630
800
1000
1250
1400
1600
EP400
630
800
1000
1250
1400
1600
1800
EP500
800
1000
1250
1400
1600
EP600
800
1000
1250
1400
1600


 
 
 
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