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Help CenterQ235 Carbon Steel Single Hydraulic Prop With Certificate
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Q235 Carbon Steel single hydraulic prop with certificate
specification
DW single hydraulic prop is a constant for the fluid outside the resistive pillars with metal roof beams, used in coal mine stope roof support, can be used for mechanized mining face end support and temporary support.
model meaning
For example DW25-250/100
D-Representative hydraulic prop
W-representatives out injection type
25 - Maximum height of the pillar
250 - as the pillar of the rated working resistance
100 - as the pillar of the cylinder diameter
feature
1, Long working stroke , especially for large height variation face of underground roof.
2, Apply inner bore seal bump- resistance in the underground, with a wide range of use.
3, Never broken. Using friction welding, the weld is not broken.
4, Uses a new sealing device, remove the DZ-type pillar between the piston and plunger leakage point, safe and reliable.
5,Level of support available.
6, High strength, no bend.
parameter
| Type | Unit | DW35 | DW31.5 | DW28 | DW25 | DW22 | DW20 | DW18 | DW16 | DW14 | DW12 | DW10 | DW08 | DW06 |
| Max Height | mm | 3500 | 3150 | 2800 | 2500 | 2240 | 2000 | 1800 | 1600 | 1400 | 1200 | 1000 | 800 | 630 |
| Min Height | mm | 2700 | 2350 | 2000 | 1700 | 1440 | 1240 | 1110 | 1005 | 900 | 792 | 685 | 578 | 485 |
| Stroke | mm | 800 | 800 | 800 | 800 | 800 | 760 | 690 | 595 | 500 | 408 | 315 | 222 | 145 |
|
Net Weight (no oil) |
kg | 82.8 | 76.4 | 70 | 58 | 55 | 49 | 47 | 43.6 | 39.9 | 36.3 | 32 | 26.7 | 26.5 |
|
distance between valve and steel beam (mm) |
mm | 527 | 267 | 132 | ||||||||||
| Rated resistance | kN | 150 | 200 | 250 | 300 | |||||||||
| Rated Fluid Pressure | Mpa | 19.1 | 25.5 | 31.8 | 31.8 | 38.2 | ||||||||
|
The First Sustaining Load |
kN | 118--157 | ||||||||||||
| Pump Station Pressure | Mpa | 15 or 20 | ||||||||||||
| prop rising Speed | mm/s | >=60 | ||||||||||||
| prop falling Speed | mm/s | >=40 | ||||||||||||
|
Diameter of oil cylinder |
mm | 100 | ||||||||||||
| The Base Area | cm2 | 113 | 109 | |||||||||||
| working Substance | include emulgator (MD10 emulgator) or emuision(1-2% emuision) | |||||||||||||
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