ST 400 Meters Depth Water Well Drilling Rig Customized Color Large Pneumatic Borewell Machine
ST 400 Pneumatic Borewell Machine Introduction
It is mainly suitable for drilling water wells,agricultural irrigation wells, geothermal air conditioning holes and other wells, especially suitable for water intake projects in mountainous areas and rock formations. . The efficiency is ten times higher than that of traditional rotary drilling rigs, and the economic benefits created for users are extremely considerable.
ST 400 Pneumatic Borewell Machine Main Parameter:
| Technical parameter | Unit | ST 400 | | Max drilling depth | M | 400 | | Drilling diameter | mm | 105-325 | | Air pressure | Mpa | 1.2-3.5 | | Air consumption | m3 /min | 16-55 | | Drill pipe length | m | 6 | | Drill pipe diameter | mm | 89/102 | | Axial pressure | T | 4 | | Lifting force | T | 22 | | Fast lifting speed | m/min | 29 | | Fast feeding speed | m/min | 56 | | Max rotary torque | Nm | 8000/4000 | | Max rotary speed | r/min | 75/150 | | Big auxiliary winch lifting force | T | - | | Small auxiliary winch lifting force | T | 1.5 | | Jacks stroke | m | 1.6 | | Drilling efficiency | m/h | 10-35 | | Driving speed | Km/h | 2.5 | | Uphill angle | slope | 21° | | Weight of drilling rig | T | 9.8 | | Dimension | m | 6.2*1.85*2.55 | | Working condition | Unconsolidated formation and bedrock | | Drilling methods | Top drive hydraulic rotary and pushing, DTH hammer or mud drilling | | Matched DTH hammer | Medium and high air pressure series | |
ST 400 Pneumatic Borewell Machine Advantages:
1. Full hydraulic control is convenient and flexible
2. Top drive type rotary feeding lifting
3. Multi-functional drilling
4. High efficiency
5. Low cost
6. High outrigger crawler type
7. Unique positive and negative axial pressure adjustment
8. Function of lubricator
9. Crawler mounted rig chassis
10. The second-hand machine has the highest value in the industry
FAQ ST 400 Pneumatic Borewell Machine
1. Are you manufacturer or trade company?
We are a direct professional factory
2. What about the Minimum order quantity?
The MOQ is 1 set.
3. Could your company offer customize service to customers ?
Yes, we offer customize service.
4. What is your terms of payment?
Trade Assurance, T/T, Credit Card.
5. What is your terms of delivery?
EXW, FOB, CFR, CIF.
6. How about your delivery time?
Generally, it will take 10 -15 working days after receiving your advance payment.
It depends on the items and the quantity of your order.
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Customized Color St 400 Meters Depth Pneumatic Borewell Machine Images
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