Putzmeister Concrete Pumps GmbH is extending its range of mechanized shotcrete machines with Wetkret 4, billed as the next generation of equipment specially designed for underground construction. Wetkret 4 suits narrow galleries, thanks to its heavy-duty chassis, compact size (6-ft. wide, 7-ft. high), and reduced turning radiuses. It boasts two spraying arm versions, one with a maximum vertical reach of 33 feet, the other 26.5 feet.
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