High temperature rubber belts
Conveyor Belts
Field of use: transporting products with high temperature
- Type 1 - for high temperatures between -20 grdC ... 90 grdC
- Type 2 - for temperatures between -20 grdC ... 130 grdC
Quality norm: STAS 2077/4/1976
Textile: EP insertion types: EP 80; EP 100; EP 125; EP 160; EP 200; EP 250; EP 315; EP 400.
Conveyor width :
- between 500 and 1600 mm, 1%
Conveyor thickness:
- dimensional tolerances :
- thickness between 5 to 10 mm, 1 mm.
- thickness over 10 mm, 10 %.
Rubber layer thickness:
- for thickness up to 4 mm, +1 mm/-0,2 mm
- for thickness over 4 mm, + 1 mm/-0,5%
Conveyor length:
- maxim 300 m, +2%/-5%
Moulded edge width:
- max. 15 mm
Number of EP insertions
- Between 2-6 plies
Mechanical and physical characteristics of the rubber layer :
| Crt |
Characteristics |
U.M. | Imposed value | ||
| Type 1 | Type 2 | ||||
| 1 | Tensile strenght; min | daN/cm2 | 150 | 150 | |
| 2 | Elongation at break; min | % | 500 | 500 | |
| 3 | Resistance to accelarated aging oven ( 168h X 70oC) - variation of resistance ; max -variation of elongation ; max |
% % |
50 50 |
30 30 |
after 168 h at 1400oC |
Conveyor belt characteristics:
| Crt | Characteristics | U.M. | Imposed value |
| 1 | Class resitance [Rr] min/nr. of plies - conveyor types with 2 plies , commonly used - conveyor types with more than 2 plies , commonly used |
(daN/cm)/nr. ins | - 200/2; 250/2; 315/2; 400/2; 500/2; 630/2; 800/2
- 315/3; 400/3; 630/4; 800/4; 1000/5; 1250/5; 1600/5; 2000/5 |
| 2 | Elongation under load reference , max | % | 4 |
| 3 | Adhesion between plies; min | daN/cm | 6 |
| 4 | Adhesion between plies and rubber layer, min | daN/cm | 6 |
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