Galvanised tanks and sucking power: STG Global

Galvanised tanks and sucking power: STG Global

STG Global’s Vacuum Excavation Trucks are designed to simplify liquid and hazardous waste management in Australia’s harsh conditions. Managing Director, Ross Yendle explains.

Australian industry generated over two gigalitres of hazardous liquid waste in 2018-19, according to the Federal Government’s latest National Waste Report.

This primarily consisted of oil-based waste at 31 per cent, followed by acids, alkalis, solvents and organic and inorganic chemicals.

Liquid hazardous waste is generally treated to reduce or neutralise hazard levels and volumes, with residues discharged to sewers, landfilled or recycled.

Before it reaches that stage, however, the liquids must be transported – a practice that is heavily regulated due to the potentially dangerous nature of the material.

To safely and efficiently transport hazardous liquids, private waste management companies therefore rely on reliable vacuum excavation trucks, such as those designed and manufactured by STG Global.

According to Ross Yendle, STG Global Managing Director, STG’s vacuum trucks feature state-of-the-art vacuum technology that helps to load and unload liquid slurry rapidly.

He adds that their compact, heavyduty vacuum system design makes them highly coveted across industry.

“Our vacuum trucks are used extensively throughout the waste industry. We’ve sold these trucks to Veolia, one of the biggest waste management companies in Australia, as well as a number of other operators,” Yendle says.

The Vacuum Excavation Trucks are built for non-destructive digging (NDD), drilling mud recovery, pipeline locating and removing and recovering wet or dry materials including fine powders, silt, solids, liquids, slurries and thick sludge.

STG’s vacuum trucks are easy to operate, Yendle says, while requiring minimum maintenance, boasting longer life cycles and consuming less power.

While suited to liquid waste transport across all material streams, Yendle highlights the truck’s aptness for NDD applications.

NDD as a practice has expanded in recent years, alongside Australia’s booming infrastructure pipeline.

Despite its benefits over traditional excavation, NDD presents a new set of challenges in dealing with waste that arises in liquid and slurry form.

The mitigate those challenges, STG’s vacuum trucks are designed to be NDD compatible, with water on board.

“When you’re dealing with water and hazardous and toxic liquid waste, there’s a tendency for the tanks for corrode, so we’ve designed ours with fully hot dipped galvanised water tanks that provide longevity to our customers,” Yendle says.

In addition to NDD, STG’s vacuum trucks can be used for drain cleaning, sucking out sediment ponds that contain hazardous waste and managing tailings from mine sites.

“We’ve designed our trucks to be as versatile as possible,” Yendle says.

STG’s vacuum range features six unique models ranging from 3000 to 16,000 litres, all of which are designed to operate in tough conditions across Australia.

“The market has historically been dominated by imports from Europe and America, but what we’ve done is build a machine for Australian conditions,” Yendle says.

“Where STG puts its power is talking to our customers and operators to understand their pain points and design something that is user friendly and easy to operate.”

A lot of the European and American models are technical and hard to use, Yendle says. In contrast, STG has designed its units simply, facilitating the ability to get parts off the shelf anywhere in Australia.

“If a truck that relies on computerised technology breaks down in the middle of Australia, it’s unlikely you’ll get a service technician with a laptop out there very quickly,” Yendle says.

He adds that STG’s largest unit, the 16,000 Vacuum Semi Trailer, features its own axillary motor, making the vehicle entirely self-sufficient and reliable in harsh conditions.

“A lot of other vacuum trucks in the industry have a hydraulic drive that runs off the engine of the truck, but with our axillary motors, you don’t need the power of the actual truck to perform any of the vacuum functions.

“Combining this with the STG promise of no rust, 1000 hours free servicing, finance options and customised company branding, makes the 16,000 vac semi-trailer a standout from its competitors.”

All STG vacuum trucks run on a Caterpillar axillary motor, Yendle adds, which is world renowned for its strong, reliable and tough performance, backed up by extensive customer support.

The trucks also feature Italian made Robuschi blowers, which according to Yendle are globally unrivalled in sucking power.

In addition to the quality of the trucks, Yendle highlights STG’s commitment to after-sales service and customer support.

“We’re very focused on customer support and providing a turn-key solution. If they want to buy a vacuum, we pair it up with the truck – whichever manufacture they desire to use,” Yendle says.

“The day they pick up the truck they can turn the key and put it work.”

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