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8'' Inch Water Well Drilling Tools / Air Drill Hammers And Bits Long Life Span

Categories DTH Hammers
Brand Name: MIROC DTH Rock Drilling Tools
Model Number: QL Series DTH Hammer Without Foot Valve
Certification: API
Place of Origin: China
MOQ: 1 Piece DTH Hammer
Price: Negotiation
Supply Ability: 20000 pieces per month
Delivery Time: 10-15 Days
Packaging Details: Wooden Box
Payment Terms: L/C, T/T
Product Name: DTH Hammer
Series: QL Series QL4 QL5 QL6 QL8
Foot Valve: Without Foot Valve
Thread: API 3 1/2 '' Reg, API 2 7/8 '' Reg, API 2 7/8 '' IF
Size: 4'' 5'' 6'' 8'' Inch
Drilling Hole Range: 110mm-254mm
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8'' Inch Water Well Drilling Tools / Air Drill Hammers And Bits Long Life Span

High Air Pressure DTH Hammer Without Foot Valve - QL Series DTH Hammer


DTH Hammer Model:


4'' - QL4 DTH Hammer

5''- QL5 DTH Hammer

6''- QL6 DTH Hammer

8''- QL8 DTH Hammer


QL (QL4 QL5 QL6 QL8) Series Series DTH Hammer - Without Foot Valve

Structure and Specification:


DescriptionWeight(kg)
QL40QL50QL60QL80QL80
1.Top sub6.5013.7020.0034.0035.00
2. O-ring Of Top Sub0.010.0150.0150.0150.01
3.Breakout Ring---0.300.04
4.Check Valve0.350.700.701.201.20
5. Spring0.050.100.100.100.10
6. Air Distributor1.502.003.506.007.00
7. Internal cylinder2.102.704.206.507.50
8. Piston8.5015.0023.0042.5048.00
9. External Cylinder15.2024.0030.0059.0075.00
10. Guide sleeve1.803.004.006.3012.00
11. O-ring Of Stop Ring0.0050.010.010.010.01
12. Stop Ring0.200.400.601.401.70
13. Breakout Ring---0.300.40
14. Drive Chuck3.204.505.5013.0015.00
15. Drill Bit9.0016.0025.0035.0050.00

QL (QL4 QL5 QL6 QL8) Series DTH Hammer -Without Foot Valve Technical Parameter


Technical Data
ModelQL40QL50QL60QL80QL80
Length (Without Bit)1070mm1090mm1183mm1330mm1340mm
Weight (Without Bit)40.00kg67.00kg92.00kg171.00kg203.00kg
External Diameterφ99mmφ126mmφ146mm, φ148mmφ180mm, φ185mmφ203mm
Bit ShankQL40QL50QL60QL80QL80
Hole Rangeφ110 - φ135mmφ135- φ155mmφ155 - φ203mmφ195 - φ254mmφ216 - φ254mm
Connection ThreadAPI 2 3/8 '' RegAPI 2 3/8 '' Reg, API 3 1/2 '' Reg, API 2 7/8 '' RegAPI 3 1/2 '' RegAPI 4 1/2 '' RegAPI 4 1/2 '' Reg
Working Pressure1.2 - 2.0 Mpa1.3 - 2.3 Mpa1.5 - 2.5 Mpa1.5 - 3.0 Mpa1.8 - 3.0 Mpa
Impact Rate at 17 Bar30HZ28HZ25HZ22HZ22HZ
Recommended Rotation Speed20 - 30 r/min20 - 35 r/min20 - 30 r/min15 - 25 r/min15 - 25 r/min
Air Consumption1.0Mpa: 5 m³/ min1.0Mpa: 7 m³/ min1.0Mpa: 9 m³/ min1.0Mpa: 12 m³/ min1.0Mpa: 16 m³/ min
1.8Mpa: 9 m³/ min1.8Mpa: 14 m³/ min1.8Mpa: 18 m³/ min1.8Mpa: 22 m³/ min1.8Mpa: 28 m³/ min
2.4Mpa: 14 m³/ min2.4Mpa: 19 m³/ min2.4Mpa: 26 m³/ min2.4Mpa: 28 m³/ min2.4Mpa: 39 m³/ min

The Characteristics of High Air Pressure DTH Hammers Without Foot Valve:


It is a kind of high air pressure DTH hammer without foot valve, and it is our newest design. It is also one of the most advanced DTH hammers in the world.


Valveless air distribution hammer, more reliable of air distribution.


Good sealabIlity, no water, and cuttings entering into hammer in water exist drilling.


High Air Pressure DTH Hammers Without Foot Valve Advantages:


1. Out of the trouble of foot valve fracture and expansion and contraction.

2. Lower energy consumption and higher impact frequency.

The drilling speed is 15-30% higher than the one with foot valve.

3. Simple structure, reliable parts, long life span, easy and cheap maintenance.

4. Lower air and oil consumption. The oil consumption is about 10% lower than the one with foot valve.


QL Series DTH Hammers Features:


1. Valveless air distribution, more reliable.

2. The simple design of the piston. Long life span.

3. More efficient energy transfer, faster drilling speed, low air consumption, and lower oil consumption.

4. Fewer internal parts, simple structure, long life span, less failure and easier to maintain because all the parts are heat treated.

5. Easy to disassemble because the top sub, the drive chuck, and the external cylinder are connected by multiple steps thread.


QL Series DTH Hammers Advantages:


1. Simple and reasonable design, easy to assemble and dis-assemble, low problem rate.
2. Low air consumption, smooth drilling, maximum impact power, high penetration rate.
3. Multiple precise heat-treatment with all hammer parts to provide long lifespan under roughest working conditions.


Applications

  • Blast hole
  • Water well
  • Environmental
  • Exploration
  • Construction

Available for all working conditions, high performance in overburden and water well drilling projects


DTH Hammer Package


Rock Drilling Tools Brand MIROC®

DTH Drill Bit 127mm DHD340 Bit Shank With Spherical and Ballistic Carbide Have Foot Valve

The MIROC® Rock Drilling Tools product line by KSQ Technologies (Beijing) Co.Ltd. is the result of years of advanced engineering, precision manufacturing, and dedication to the use of high-quality materials.


MIROC® Rock Drilling Tools are used by many drilling professionals related to mining, construction, tunneling, and quarrying projects around the globe.


MIROC® Rock Drilling Tools include:

  • Integral Rods
  • Plug Hole Rods
  • Tapered Drilling Tools
  • Extension Drilling Tools
  • Drifting and Tunneling Tools
  • Reaming Tools
  • Shank Rods
  • Shank Adapters (Striking Bars)
  • Down-the-hole (DTH) Bits
  • Down-the-hole (DTH) Hammer
  • PDC Bit
  • Tricone Bits

Company

DTH Drill Bit 127mm DHD340 Bit Shank With Spherical and Ballistic Carbide Have Foot Valve KSQ Technologies (Beijing) Co. Ltd.provides exceptional technical know-how in development, production, and application. The company has adopted advanced manufacturing processes to ensure high-quality steels and tungsten carbide inserts for its rock drilling accessories. Its personnel understand clients’drilling needs and have the service skills to recommend the right drilling tools for the job.


Its experienced product developers can also create custom tools. Furthermore, the company’s development team introduces innovative products each year – tools that are rigorously tested in the field and proven to perform beyond industry expectations.


Tag: QL Series DTH Hammer, down-the-hole rock drilling tools
Product Tags:

down hole hammer

  

down the hole hammer

  
Quality 8'' Inch Water Well Drilling Tools / Air Drill Hammers And Bits Long Life Span for sale
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