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Down The Hole Borewell Hammer , NUMA125 / Hyper 141 Water Hammer Drilling

Categories Down Hole Hammer
Brand Name: Teamwhole
Model Number: NUMA125/Hyper 141
Certification: ISO9001:2008
Place of Origin: Changsha City , Hunan , China (Mainland)
MOQ: 1
Payment Terms: T/T O/A WEST UNION
Supply Ability: 220 Pcs Per Month
Delivery Time: 25-30days
Packaging Details: Wooden Case with Size 190*31*42Cm
Series: Down-the-hole Hammer Equipment
Use: Piling / Foudation / Water well drilling
Name: NUMA125/Hyper 141
Color: Gold Other color available
OEM:: Customer label
External Diameter: 320mm
Connection: API 7 5/8" Female
Work Pressure: 1.7-2.5Mpa
Material: Alloy Steel
Price: Negotiation
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Down The Hole Borewell Hammer , NUMA125 / Hyper 141 Water Hammer Drilling

Down the Hole Equipment NUMA125/Hyper 141 DTH Hammer For Foundation Pile / Water Well Drilling


​1.Product Description

  • Valveless air distribution. More reliable.
    Simple design of the piston, long life.
    More efficient energy transfer, faster drilling speed, lower air consumption and lower oil
    Fewer internal parts, simple structure, longer life, less failure and easier to maintain because all the parts are heat treated
    Robust & durable performance

2.Detailed structure information

QL120 General Specifications
Quantum Leap Hammer ModelNUMA125 DTH Hammer
Description of ItemStandard
EnglishMetric
Standard drill pipe connection (see options)7-5/8 API reg pin
Outside diameter (inch & mm)12.5320
Length w/o bit shoulder to shoulder (inch & mm)72.31,837
Length with bit extended (inch & mm)822,083
Length with bit retracted (inch & mm)802,032
Weight w/o bit (lb & kg)1,430650
Backhead across flats (inch)4 x 1 AF
Minimum bit size (inch & mm)12.25311
Maximum bit size (inch & mm)22559
Bore (inch & mm)9.25235
Piston weight (lb & kg)350159
Stroke (inch & mm)5127
Maximum pressure differential (psig & bar)25017
Maximum choke diameter (inch & mm)0.7519
Make-up torque (ft-lb. & N-m)12,00016,248
Shank styleNuma125

Bit ShankThread connectionWork Pressure(Mpa)Air consumption at 2.4Mpa
Numa125API 7 5/8"Reg Pin1.7-2.462.3
Hole RangeLength Without bitRecommended Speed (r/min)Impact rate at 1.7Mpa
305-445mm1598mm15-25Rpm20Hz
WeightExternal diameter(mm)
650kg320mm

3.Product Application

-----Construction Foundation piling drilling,can match to Kinds of Drill Rig,like Drilltech,CASAGRANDE,Solimec

-----Water well drilling

-----Oil and Gas open hole drilling


4.Photos



Quality Down The Hole Borewell Hammer , NUMA125 / Hyper 141 Water Hammer Drilling for sale
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