CONVEYOR BELTING SPECS

Minimum
Pulley Diameters for Steel Cord Reinforced Conveyor Belting
A- High tension
B – Low tension
C – Snub / Bend
Belt
Class
Pulley Location Recommended Minimum Pulley Diameters (mm)
ST 500 A 500
B 400
C 315
ST 630 A 500
B 400
C 315
ST 800 A 500
B 400
C 315
ST 1000 A 500
B 400
C 315
ST 1250 A 630
B 500
C 400
ST 1400 A 630
B 500
C 400
ST 1600 A 800
B 630
C 500
ST 2000 A 800
B 630
C 500
ST 2500 A 1000
B 800
C 630
ST 3150 A 1250
B 1000
C 800
Standard Steel Cord Specifications
Belt
Strength
Cord Dia
(mm)
Pitch
(mm)
Working
Tension (N/mm)
Standard Cover
Thickness (mm)
Weight
(Kg/m )
Cord
Strength
ST630 3.0 10 90 5+5 20 6.93
ST800 3.5 10 110 5+5 20.6 8.8
ST1000 4.0 12 140 6+6 24.7 13.2
ST1250 4.5 12 175 6+6 25.4 16.5
ST1600 5.0 12 225 6+6 26 21.12
ST2000 6.0 12 285 8+6 30 26.4
ST2500 7.2 15 355 8+6 32.2 41.25
ST3150 8.1 15 450 8+8 35.7 51.98
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