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China water well drilling rig

FD series DTH Hammer without Foot Valve

 
Item Desciption Weight(kg)
FD25A FD35A FD45A FD45S FD55A FD55S
1, Top Sub 3.10 4.20 6.50 6.00 13.70 13.30
2, "O”Ring Of Top Sub   0.01 0.01 0.01 0.02 0.015
3, Breakout Ring            
4, Check Valve 0.10 0.20 0.35 0.30 0.70 0.70
5, Spring 0.05 0.02 0.05 0.05 0.10 0.10
6, Air Distributor 0.60 0.80 1.50 1.30 2.00 1.90
7, Internal Cylinder 0.80 1.30 2.10 1.90 2.80 2.70
8, Piston 3.80 5.50 8.50 7.80 15.00 14.50
9, External Cylinder 4.50 9.50 15.20 14.60 24.00 23.00
10, Gudied Sleeve 0.60 1.00 1.30 1.20 2.60 2.50
11, "O”Ring Of Stop Ring 0.005 0.05 0.01 0.005 0.01 0.01
12, Stop Ring 0.10 0.15 0.30 0.20 0.50 0.50
13, Breakout Ring            
14, Drive Chuck 1.40 1.90 3.40 3.40 6.50 6.20
15, Drill Bit 3.20 5.00 9.00 8.50 16.00 15.50
 
 
  Technical Data
  FD25A FD35A FD45A FD45S FD55A FD55S
Length(Without Bit) 872mm 888mm 1011mm 986mm 1110mm 1110mm
Weight(Without Bit) 16.00kg 25.00kg 43.20kg 37.00kg 69.00kg 66.00kg
External Diameter ∅71mm ∅82mm ∅99mm ∅92mm ∅126mm ∅116mm
Bit Shank FD25A IR3.5 COP44/DHD340 COP44/DHD340 COP54/DHD350R COP54/DHD350R
Hole Range ∅76-∅90mm ∅90-∅115mm ∅110-∅135mm ∅105-∅120mm ∅135-∅155mm ∅127-∅145mm
Connect Thread T42*10*1.5 API 2 3/8"Reg API 2 3/8"Reg API 2 3/8"Reg API 2 3/8"Reg
API 3 1/2"Reg
API 2 7/8"Reg
2 7/8"IF
API 2 3/8"Reg
API 3 1/2"Reg
API 2 7/8"Reg
Working Pressure 1.0-1.5Mpa 1.0-1.5Mpa 1.2-2.0Mpa 1.2-2.0Mpa 1.3-2.3Mpa 1.3-2.3Mpa
Impact Rate at 17 Bar 25HZ 25HZ 30HZ 30HZ 28HZ 28HZ
Recommended Rotation Speed 22-35r/min 25-40r/min 22-35r/min 25-40r/min 20-35r/min 20-35r/min
Air Consumption 1.0Mpa:4m3/min 1.0Mpa:3.8m3/min 1.0Mpa:6m3/min 1.8Mpa:8m3/min 1.0Mpa:7m3/min 1.0Mpa:7m3/min
1.5Mpa:6m3/min 1.5Mpa:7.5m3/min 1.8Mpa:10m3/min 2.4Mpa:13m3/min 1.8Mpa:14m3/min 1.8Mpa:13.5m3/min
    2.4Mpa:15m3/min   2.4Mpa:19m3/min 2.4Mpa:18m3/min
 
 
 
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