Underground Mining Use Rubber Hose Gas Drainage Hose Suction Hose
Features: Internal and external rubber antistatic (resistance value is less than 1.0 * 106), flame retardant (zero-level flame retardant), wear-resistant, obtained coal safety certificate Class B certificate
Inner rubber layer: Nitrile synthetic rubber
Reinforcement layer: high tensile textile cord + spiral steel wire
Outer rubber layer: NBR, CR
Working temperature: -20 ℃ -100 ℃
Safety factor: 4: 1
Reference standard: Q / ZB001-2019
Uses: underground mining gas drainage
| I.D. | I.D. | O.D. | W.P. | W.P. | B.P. | B.R. | Weight | Length | Length |
|---|---|---|---|---|---|---|---|---|---|
| mm | inch | mm | psi | bar | bar | mm | KG/m | ft | m |
| 19 | 3/4" | 30 | 150 | 10 | 30 | 100 | 0.69 | 200 | 61 |
| 25 | 1" | 36 | 150 | 10 | 30 | 150 | 0.86 | 200 | 61 |
| 32 | 1-1/4" | 44 | 150 | 10 | 30 | 190 | 1.23 | 200 | 61 |
| 38 | 1-1/2" | 51 | 150 | 10 | 30 | 220 | 1.54 | 200 | 61 |
| 51 | 2" | 64 | 150 | 10 | 30 | 300 | 1.98 | 200 | 61 |
| 64 | 2-1/2" | 78 | 150 | 10 | 30 | 380 | 2.61 | 200 | 61 |
| 76 | 3" | 90 | 150 | 10 | 30 | 450 | 3.16 | 200 | 61 |
| 102 | 4" | 120 | 150 | 10 | 30 | 550 | 5.08 | 200 | 61 |
| 152 | 6" | 171 | 150 | 10 | 30 | 750 | 8.34 | 100 | 30.5 |
| 203 | 8" | 224 | 150 | 10 | 30 | 1100 | 12.71 | 100 | 30.5 |

