The Cyclone 4500 riding pressure washer from Nilfisk-Advance Inc. is designed to reduce labor and operating costs, boost productivity and recycle water as it cleans concrete and other hard surfaces.Using water heated to 160 degrees F by a 250,000-Btu/hr inline heating system, the machine deep cleans surfaces by generating 4,000 psi/6 gpm. As it works, a high-speed, cast aluminum, hydraulically controlled cleaning and recovery head, traveling within 1/4-inch above the surface, spins fast enough to draw the water into a closed-loop system. There it’s filtered and recycled for reuse. “It’s very environmentally friendly,” says Michael Larsen, industrial market manager. “It
