China High definition 12degree Rock Drilling - Middle-Low ...
2021-8-12u2002·u2002High definition 12degree Rock Drilling - Middle-Low Air Pressure DTH Hammers – Kat Detail: BRIA、BR2A and BR3A series DTH Hammers are designed to operate efficiently at low air pressures and medium air pressures, using BR series bits. The main features are as follows: 1. The operating air pressures are between 0.7Mpa and 1.75Mpa. 2.
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