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Steel cord fire resistant conveyor belt
Status: In stock
Product code: Scope of use in environments with high fire risk, especially in underground coal mines. Maximum working temperature 1000C. Conductivity meets DIN 22104, ISO 284 standards (Resistance ≤3 x 108 Ohm). Materials used on the basis of Chloroprene rubber or modified synthetic rubber
Brand : Rubber 75
Applied standard: JIS K 6369:2007; ISO 22721:2007.
Beside targets in terms of physiomechanical feature, steel cord fire resistant conveyor belt must meet safety technical targets in mines as followed:
| No. | Technical parameters | Unit | Target | Standard Check |
| 1 | Burning time of 01 design when leaves burning fire. | ≤ 15 | ISO 340:2007
QCVN 01 : 2011/BCT |
|
| Total burning time of 06 designs when leave burning fire. | s | ≤ 45 | ||
| Ember retention time of 01 design after fire goes out | s | ≤ 60 | ||
| 2 | Electric resistance | ≤ 3×108 | ISO 284:2003
QCVN 01 : 2011/BCT |
|
| 3 | Friction against drum brake | Fire or ember do not appear, drum brake temperature ≤ 3250C | EN 14973:2006
EN 1554:1999 |
Basic structure of steel cord conveyor belt provided by 75 Rubber Company
| ST-
500 |
ST-
630 |
ST-
800 |
ST-
1000 |
ST-
1250 |
ST-
1400 |
ST-
1600 |
ST-
1800 |
ST-
2000 |
ST-
2250 |
ST-
2500 |
ST-
2800 |
ST-
3150 |
ST-
3500 |
|
| Dislocation durability
N/mm |
500 | 630 | 800 | 1000 | 1250 | 1400 | 1600 | 1800 | 2000 | 2250 | 2500 | 2800 | 3150 | 3500 |
| Diameter
Steel cord mm |
2,8 | 3,0 | 3,5 | 4,0 | 4,5 | 4,5 | 5,0 | 5,0 | 6,0 | 6,3 | 7,2 | 7,6 | 8,1 | 8,6 |
| Dislocation durability of steel cordKN |
5,6 | 7,0 | 8,9 | 13,2 | 16,5 | 18,5 | 21,1 | 23,7 | 26,4 | 29,6 | 41,7 | 46,7 | 52,5 | 58,4 |
| Cord distance
mm |
10 | 10 | 10 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 15 | 15 | 15 | 15 |
| Minimum thickness of bearing surface and working surfacemm |
4,0 | 4,0 | 4,0 | 4,0 | 4,0 | 4,0 | 4,0 | 4,0 | 5,0 | 5,0 | 5,0 | 5,0 | 5,0 | 5,0 |
| Width
mm |
Number of steel cables | |||||||||||||
| 500 | 45 | 45 | 45 | 38 | 38 | 38 | 38 | – | – | – | – | – | – | – |
| 650 | 60 | 60 | 60 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 40 | 40 | 40 | 40 |
| 750 | 70 | 70 | 70 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 47 | 47 | 47 | 47 |
| 800 | 75 | 75 | 75 | 63 | 63 | 63 | 63 | 63 | 63 | 63 | 50 | 50 | 50 | 50 |
| 900 | 85 | 85 | 85 | 71 | 71 | 71 | 71 | 71 | 71 | 71 | 57 | 57 | 57 | 57 |
| 1000 | 95 | 95 | 95 | 79 | 79 | 79 | 79 | 79 | 79 | 79 | 64 | 64 | 64 | 64 |
| 1200 | 113 | 113 | 113 | 94 | 94 | 94 | 94 | 94 | 94 | 94 | 76 | 76 | 76 | 76 |
| 1400 | – | – | – | 111 | 111 | 111 | 111 | 111 | 111 | 111 | 89 | 89 | 89 | 89 |
| 1500 | – | – | – | – | – | – | – | – | – | – | 94 | 94 | 94 | 94 |
| 1600 | – | – | – | – | – | – | – | – | – | – | 101 | 101 | 101 | 101 |
Moreover, the Company also meets specific requirement of customers.
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