Putzmeister Underground, the Putzmeister’s division specialised in underground equipment, will
present its latest innovation in mechanised concrete spraying equipment – Wetkret 2 Narrow Vein – on September 3 at a private event at the facilities of its Peruvian dealer Metal Técnica SA.
Specifically designed to operate in reduced sections of up to 2.5 x 2.5 m, this robotic equipment
features Putzmeister’s most advanced pumping technology and experience, it says offering a compact,
safe, and highly efficient solution for one of the most demanding environments in the sector.
Wetkret 2 Narrow Vein allows mechanising the application of shotcrete in narrow veins,
significantly improving operational safety and reducing personnel exposure to adverse
conditions.
Putzmeister is globally recognised as a leading manufacturer of concrete pumps; and says that innovation and development in this field are the foundation of its business, “being a benchmark in the sector.”
The heart of the Wetkret 2 Narrow Vein incorporates its latest pumping technology with OPS control which translates into lower pulsation, easy maintenance and common in other equipment of the Wetkret line.
The theoretical maximum concrete flow rate reaches 13 m³/h at 40 bar, making it an ideal solution for applications in galleries with reduced dimensions. The equipment can be connected directly to the mine’s electrical network or spray with its powerful diesel engine (Dual Drive). Additionally, like other equipment in Putzmeister’s Wetkret series, it comes equipped with a precise additive synchronisation system with concrete flow controlled by software.
As for the remote-controlled telescopic spraying arm, with a vertical reach of up to 7.5 m and deployment once the front is reached, it allows mechanising the application of shotcrete in narrow veins, significantly improving operational safety and reducing personnel exposure to adverse conditions.
Finally, the articulated design with reduced dimensions (7,360 x 1,409 x 2,295 mm) allows for a high manoeuverability, combined with the 106 kW diesel engine (or 55.4 kW with Stage V) and traction system with individual motors on each wheel. As an option, it can incorporate an anti slip system to improve performance on uneven or low-adhesion terrain. The component distribution allows easy and safe access to elements that require more attention, such as the dual brake system power panel that separates high and low voltages, the FOPS/ROPS certified cabin with plug-in design, batteries and hydraulic oil filters. Additionally, the equipment has an integrated cleaning system that ensures durability.
Putzmeister Underground offers a wide range of optional configurations to adapt the equipment to the specific needs of each operation. These include the use of biodegradable hydraulic oil, high-efficiency filtering systems with breather dryer, automatic greasing during translation, traming direction lights, transformers for discontinuous currents and various options for tyres, operator seat and cleaning pump among others.
