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 > wear bend Harlsan deflector box wear bend design boosts safety and durability. Don’t have time to read the full article? Here’s a summary of benefits of the new Harlsan Wear Bend: Maintenance intervals up to 5 x longer: The stronger inner core...
Harlsan > News The efficiency of an air core drilling program in certain ground strata can be improved with the right equipment and people. In some instances the drilling can be carried out with a faster drilling rate by using an air core bit. The alternate is...
Harlsan > urethane seals Urethane seals in comparison to o-rings? Hard wearing urethane seals give significant production benefits & cost savings over the O-Ring system in RC drill strings and are fast becoming the standard for RC Drilling. Urethane seals in...
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