martelo de baixa pressão.
2. Increased Accuracy The DTH method offers superior hole quality, producing straighter boreholes with less deviation. This precision is vital for applications that require exact placement of blast holes or geothermal probes.

Cleaning method:
Fill the pump with water
Content introduction
Problem: pump does not water, pressure gauge and true empty meter pointer beat violently.
Fill the pump with water
Content introduction
Problem: pump does not water, pressure gauge and true empty meter pointer beat violently.