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Launch of MIXKRET 4 at Expomin 2012

In cooperation with its dealer and after-sales service partner in Chile, BEKA S.A., the Putzmeister Underground Division presents its new low-profile concrete mixer MIXKRET 4 and its latest series of concrete spraying equipment for mining, SPM 4210 WEKTRET.

Launch of Putzmeister MIXKRET 4: New low-profile concrete mixer for mining

The new low-profile concrete mixer Putzmeister MIXKRET 4 has been designed to complement and improve the concrete spraying process in mining. It provides a concrete transport capacity of 4 m3 and includes a liquid additive tank for transporting and transferring additives to the shotcrete equipment. The machine is equipped with a 6-cyliner, 130 kW (176 HP) engine, which provides it with a great climbing and moving power as well as the possibility to work at high altitudes. The cabin, mounted in machine direction, and the night-vision camera at the rear, facilitate its maneuvering and ensure visibility conditions at all times. Its compact design and state-of-the-art axles, both used for steering and driving, provide excellent mobility and maneuverability in narrow galleries and tunnels. The machine has hydrostatic transmission with a stepless variable gear motor, which ensures an ideal torque:speed ratio. Furthermore, the Mixkret 4 features an automatic speed control system for moving down slopes fully loaded at the maximum secure speed.

SPM 4210 WETKRET: Latest series of concrete spraying equipment for mining

With the SPM 4210 WETKRET series Putzmeister has reached a new stage in the development of concrete spraying equipment for mining. The reinforced spraying arm, designed and manufactured by Putzmeister, provides a vertical spraying reach of 10 m; the maximum concrete output of the Putzmeister double-piston pump mounted on the equipment is 20m3/h. The proportional remote control, which can be operated both by cable and wireless, allows the easy operation of the spraying arm as well as the regulation of the concrete output and the adjustment of the pre-defined additive dosage. With state-of-the-art axles and a reinforced turning system, the SPM 4210 WEKTRET series is suitable for the rough working conditions in mining.

To facilitate its use in any working environment, the SPM 4210 WETKRET series includes three different versions which are designed in accordance with different jobsite requirements. The standard version SPM 4210 WETKRET is electrically operated and includes an on-board, electrically or diesel driven air compressor. If required, the machine is also available without air compressor. The version SPM 4210 WETKRET DUAL DRIVE has a dual operating system, so that all the components can be both operated by diesel or electrically. The equipment is available with an on-board, electrically or diesel driven air compressor. The version 4210 WETKRET ROTOR works with a rotor pump, so that the equipment can be used for both the wet and dry spraying process. This version also includes an on-board air compressor.

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