Home > Products > Mining Supporting Equipment > DW hydraulic columns for coal mine
DW hydraulic columns for coal mine
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Product Details
| Place of Origin: | Shandong, China | Brand Name: | bafang | Model Number: | DW |
| Condition: | New | After-sales Service Provided: | Engineers available to service machinery overseas |
Product Description
DW Series Coal Minng Single Hydraulic Prop For Support with high quality
Product Introduction
Hydraulic prop increasingly widely used in the production of its traditional wooden pillars supporting metal friction compared with high recovery, supporting safe and reliable, working resistance constant, setting load is high, the use of flexible benefits. Outer single hydraulic prop can be used alone or in combination with metal hinged roof beams supporting the use, can be used in coal seam dip is less than 25. Stope roof gently inclined to pay, but also for mechanized coal face end support or temporary support available.
Technology Parameters
Type | Unit | DW35 | DW31.5 | DW28 | DW25 | DW22 | DW20 | DW18 | DW16 | DW14 | DW12 | DW10 | DW08 | DW06
|
Max Height | mm | 3500 | 3150 | 2800 | 2500 | 2200 | 2000 | 1800 | 1600 | 1400 | 1200 | 1000 | 800 | 600 |
Min Height | mm | 2700 | 2350 | 2000 | 1700 | 1440 | 1240 | 1110 | 1005 | 900 | 792 | 685 | 578 | 485
|
Working Stroke | mm | 800 | 800 | 800 | 800 | 800 | 760 | 690 | 595 | 500 | 408 | 315 | 222 | 145 |
Net Weight | kg | 82.8 | 76.4 | 70 | 58 | 55 | 49 | 47 | 43.6 | 39.9 | 36.3 | 32 | 26.7 | 26.5 |
Rated resistance | kN | 150 | 200 | 250 | 300 | |||||||||
Rated Fluid Pressure | Mpa | 19.1 | 25.5 | 31.8 | 38.2 | |||||||||
The First Sustaining Load | kN | 118--157 | ||||||||||||
Pump Station Pressure | Mpa | 15or20 | ||||||||||||
Column LiftingSpeed | mm/s | ≥60 | ||||||||||||
Column DescendingSpeed | mm/s | ≥40 | ||||||||||||
Diameter of oil cylinder | mm | 100 | ||||||||||||
The Base Area | cm2 | 113 | 109 | |||||||||||
Service Substance |
| Coaly(MD10 emulgator)emulgator or emulgator 1-2% emuision | ||||||||||||
Contact Us
- Jining Bafang Mining Machinery Co., Ltd.
- Contact nameAndy Zuo
- Phone86-537-2289978
- AddressNo.30, Jinyu Road Jining,Shandong
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