Sandvik has created its new Top Hammer XL to deliver the benefits of top hammer drilling as a viable alternative to down-the-hole (DTH) drilling. The new drilling system, designed for quarry and surface. [pdf]
The high operating pressure of a twin-screw compressor employed in high temperature heat pump or NH3/CO2 cascade refrigeration systems often leads to extremely large axial force on the compressor rot. [pdf]
Enter your inquiry details, We will reply you in 24 hours.
