DAWSON Hydraulic impact hammers are powered by a dedicated Dawson hydraulic power plant of the correct output.
The impact hammers can also be powered by an existing hydraulic output (crane, vibrator power unit) when used with the DAWSON distributor which connects easily to the output of the equipment used.
Advantages of the DAWSON hydraulic impact hammers
- The highest impact rate on the market
- Adjustable impact rate from 60 to 120 blows per minute
- Highly efficient power transfer to profile
- Adjustable power
- ‘Monitoring’ to view and record the hammer data
- Optimal power/weight ratio
- Submersible
- Can be used in free handling mode or mounted on a leader
- Availability of different guide systems and caps to suit all types of profile
| Impact hammers | Units | HPH1200 | HPH1800 | HPH2400 | HPH5000 | HPH6500 | HPH9000 | HPH10000 | HPH15K |
| Impact head | kg | 1040 | 1500 | 1900 | 4068 | 4650 | 8000 | 10000 | 12000 |
| Impact speed | m/s | 4.76 | 4.99 | 4.98 | 5 | 5.25 | 5.0 | 5.0 | 5.0 |
| Max power | kg.m/s | 1200 | 1900 | 2400 | 5000 | 6500 | 10000 | 10000 | 15000 |
| Min power | kg.m/s | 642 | 1000 | 978 | 2000 | 2500 | 4000 | 2700 | 4000 |
| Impact rate | cpm | 80-120 | 80-120 | 80-120 | 80-120 | 80-120 | 80-120 | 80-120 | 80-120 |
| Length (on leader) | mm | 3800 | 3930 | 4430 | 5042 | 5350 | 6500 | 6500 | 6500 |
| Total length (suspended) | mm | 4670 a | 5050 a | 5300 a | 6567 * | 6485 * | 7500 * | 7500 * | 7500 * |
| Body diameter | mm | 406 | 470 | 520 | 725 | 750 | 750 | 900 | 1800 |
| Weight (on leader) | kg | 3000 | 4250 | 6000 | 8500 | 10400 | 15000 | 17000 | 19000 |
| Total weight (suspended) | kg | 3000 a | 4250 a | 6000 a | 10000 * | 13500 * | 23000 * | 21000 * | 27000 * |
| Power plant power | kg | 3000 | 3000 | 3000 | 3200 | 4800 | 4800 | 7000 | 12000 |
| Download PDF file | HPH1200_PAJOT | HPH1800_PAJOT | HPH2400_PAJOT | HPH4500_PAJOT | HPH15K_PAJOT |
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a: equipped with guides p/p
*: equipped with tube guide