- Contact Person : Mr. Wang Helder
- Company Name : Jinhu Xiaoqingqing Mechanical & Electrical Equipment Co., Ltd.
- Tel : 86-0517-86989998
- Fax : 86-0517-86904725
- Address : Jiangsu,huaian city,NO.99 LITONG ROAD, JINHU COUNTY
- Country/Region : China
- Zip : 211600
hydraulic roof support
It applies The People Republic of China Coal Industry Standard : MT112-93
Coal mining products safety certificate approved.
QS and ISO9001-2000 passed.
Specifications and technical parameters(cylinder diameter 100)
model | Max height (mm) | Min height (mm) | Stroke (mm) | Operational resistance (KN) | Rated pressure (MPa) | Setting pressure (KN) | Pump pressure (MPa) | Weight (KG) |
DWX45 | 4500 | 2520 | 1980 | 150 | 20.7 |
108.5∼144.7 | 15∼20 | 94 |
DWX42 | 4200 | 2360 | 1840 | 88 | ||||
DWX40 | 4000 | 2250 | 1750 | 200 | 27.7 | 84 | ||
DWX38 | 3800 | 2140 | 1660 | 78 | ||||
DWX35 | 3500 | 1980 | 1520 | 250 | 34.6 | 72 | ||
DWX31 | 3150 | 1800 | 1350 | 66 | ||||
DWX28 | 2800 | 1610 | 1190 |
300 |
41.5 | 60 | ||
DWX25 | 2500 | 1440 | 1060 | 56 | ||||
DWX22 | 2240 | 1280 | 960 | 52 | ||||
DWX20 | 2000 | 1150 | 850 | 48 | ||||
DWX18 | 1800 | 1035 | 765 | 44 | ||||
DWX16 | 1600 | 920 | 680 | 40 | ||||
DWX14 | 1400 | 810 | 590 | 36 | ||||
DWX12 | 1200 | 700 | 500 | 32 | ||||
DWX10 | 1000 | 595 | 405 | 28 | ||||
DWX08 | 800 | 490 | 310 | 24 | ||||
DWX06 | 630 | 400 | 230 | 21 |
hydraulic roof support