November 2021 marked one year since Harlsan started manufacturing in Perth. Managing two busy workshops 600km apart is no mean feat, but our robust systems and processes ensure a clear interface between Perth and Kalgoorlie. In its first 12 months of operation, the...
But they’re by no means new faces. If you’ve done business with Harlsan during the last 15 years, then you would have dealt with Matt Bevan. Matt started his journey with Harlsan as a Trades Assistant before moving into purchasing, drafting, despatch and...
Harlsan > Article Library How underground RC drilling turned around a Gold Mine Using underground reverse circulation (RC) drilling at underground operations is a relatively new technique in the mining industry In Australia, diamond drilling is synonymous with...
One of the common problems associated with Reverse Circulation Inner Tubes was the premature wear and grooving caused by the traditional O-ring sealing system. Inner Tubes with O-rings were also prone to bouncing and spinning that further reduced the overall life of...
Harlsan > 2019 > October Reverse circulation drilling, or RC drilling, is a form of percussion drilling that uses compressed air to flush material cuttings out of the drill hole in a safe and efficient manner. Thanks to the benefits enjoyed by this method, it’s...
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