High-performance Oils for HVAC Applications

A major cause of reduced efficiency in refrigeration equipment arises from using conventional refrigeration oils as opposed to the specialised synthetic lubricants required for heating, ventilation, and air-conditioning (HVAC) applications. “Failure to use the correct refrigeration oils can result in leaks, reduced filter lifespan, and increased energy consumption,” says Gerald Langley, at Fuchs Lubricants South […]

World’s First Bearing Bioplastic Cage

Following its development in 2021 of the world’s first bioplastic cage for rolling bearings, NSK can now reveal its initial product line-up. The new heat-resistant cage will be available on its 60 and 62 series of deep groove ball bearings, which are ideal for fan motors in air conditioners. Moving forward, the company will continue […]

To the Notice of the Big Players

“Having developed HVAC systems for the defence and mining sector, we understand the requirements for designing and manufacturing products for harsh operating conditions,” says Grant Miller, executive director at Booyco Engineering. “Our customised HVAC solutions for the local rail sector are based on our proven expertise.” About 15 years ago, the company raised the bar […]

Software for Optimising Underground Efficiency and Safety

In December 1986, a mining tradition that dated back to 1911 ended, which saw the use of canaries in coal mines to detect carbon monoxide and other toxic gases before they could harm miners. Since then, technology has come a long way in ensuring ventilation safety which is critical as underground mining has gone deeper […]

Turbulence Intensity

Delta OHM, a member of the GHM Group, has launched their new generation Thermal Microclimate HD 32.3 TC data logger, a portable measurement instrument for microclimate and indoor air quality analysis specifically for thermal comfort assessment. The company was the first to introduce a portable instrument that had an instantaneously calculation of the PMV/PPD (predicted […]

Underground Ventilation Mine Doors

These doors are manufactured by global mine door solutions specialist, USA-based American Mine Door, and are available locally from Maxiflex. Thanks to their unique design, the door wings open in opposite directions, enhancing safety, efficiency and productivity.In addition to giving the mine doors the ability to endure water gauge pressure, the patented ‘opposing wing’ design […]