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China water well drilling rig

Big Hole High Air Pressure DTH Hammers

Item Desciption Weight(kg)
FD142A FD180A FD225A FD275A FD330A FD475A FD525A
1, Top Sub 20.00 34.00 59.00 230.00 320.00 800.00 960.00
2, "O”Ring Of Top Sub 0.02 0.02 0.03 0.04 0.10 0.02 0.03
3, Breakout Ring   0.60 0.80 1.00 2.00 3.55 5.00
4, Check Valve 0.70 1.20 1.40 2.00 5.00 13.50 18.00
5, Spring 0.10 0.10 0.30 0.50 0.80 0.35 0.45
6, Air Distributor 3.50 6.00 10.50 16.00 35.00 58.90 79.50
7, Internal Cylinder 4.20 6.50 12.50 25.00 30.00 101.60 137.00
8, Piston 23.00 42.50 77.00 113.00 190.00 517.00 698.00
9, External Cylinder 31.50 60.00 110.00 170.00 316.00 952.00 1285.00
10, Gudied Sleeve 6.50 6.30 4.50 23.00 38.00 98.00 132.00
11, “O”Ring Of Stop Ring 0.01 0.01 0.02 0.03 0.05 0.02 0.02
12, Stop Ring 0.60 1.40 1.90 4.00 6.00 14.25 19.50
13, Breakout Ring 0.20 0.60 0.80 1.00 2.00 3.55 5.00
14, Drive Chuck 5.00 12.00 21.00 34.00 64.00 162.00 219.00
15, Retainer 3.50 6.50 9.00 30.00 42.00 50.00 67.50
16, Drill Bit 27.00 37.00 68.00 185.00 240.00 528.00 1328.00
 
  Techinical Data
  FD142A FD180A FD225A FD275A FD330A FD475A FD525A
Length(Without Bit) 1388mm 1520mm 1745mm 2626mm 3870mm 4080mm 4260mm
Weight(Without Bit) 102.00kg 178.00kg 315.00kg 650.00kg 1050.00kg 2775.00kg 3626.00kg
External Diameter ∅142mm ∅180mm ∅225mm ∅275mm ∅330mm ∅475mm ∅525mm
Bit Shank DHD360 QL80 FUMA100 FUMA125 FD330A FD475 FD525
Hole Range ∅155-∅195mm ∅195-∅254mm ∅254-∅311mm ∅305-∅445mm ∅350-∅660mm ∅508-∅706mm ∅610-∅800mm
Connect Thread API 3 1/2"Reg API 4 1/2"Reg API 4 1/2"Reg
API 6 5/8"Reg
API 6 5/8"Reg
API 7 5/8"Reg
API 7 5/8"Reg API 8 5/8"Reg API 8 5/8"Reg
Working Pressure 1.0-2.5Mpa 1.8-3.0Mpa 1.8-3.0Mpa 1.8-3.0Mpa 1.8-3.0Mpa 2.0-3.0Mpa 2.0-3.0Mpa
Impact Rate at 17 Bar 25HZ 20HZ 20HZ 20HZ 20HZ 20HZ 20HZ
Recommended Rotation Speed 20-30r/min 15-25r/min 15-25r/min 15-25r/min 15-25r/min 15-25r/min 15-25r/min
Air Consumption 1.0Mpa:9m3/min 1.0Mpa:12m3/min 1.0Mpa:22m3/min 1.0Mpa:28m3/min 1.0Mpa:32m3/min 1.0Mpa:56m3/min 1.0Mpa:50m3/min
1.8Mpa:18m3/min 1.8Mpa:22m3/min 1.8Mpa:40m3/min 1.8Mpa:50m3/min 1.8Mpa:58m3/min 1.8Mpa:75m3/min 1.8Mpa:80m3/min
2.4Mpa:26m3/min 2.4Mpa:28m3/min 2.4Mpa:65m3/min 2.4Mpa:71m3/min 2.4Mpa:85m3/min 2.4Mpa:85m3/min 2.4Mpa:99m3/min

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