product focus | by Lauren Heartsill Dowdle Vacuum systems
COMBINATION UNIT Use both air and water systems in McLaughlin Group's Xtreme line vacuum excavators, marketed by Vermeer. • Features a 1,200-cfm positive displacement blower • Powered by a 99-horsepower Kubota diesel engine and a 5.6-gpm water system
• Produces up to 15 inches of mercury and 3,000 psi of water pressure.
Write 070 on Reader Service Card or visit EquipmentWorld.com/info Choosing the right system
With a variety of vacuum system models available, compare these features to fi nd the one that best suits your application:
• Horsepower and torque curve of the power unit • Type of positive displacement pump or blower used to create vacuum • Capacity of pump or blower (in cubic feet per minute, or cfm) • Speed and fi ltration of air fl ow through the system • Pressure and gallons-per-minute (gpm) of water pump • Nozzle confi guration of the excavation tool • Size and weight of the unit when empty • Weight of the unit when holding tank is full • Capacity of the vacuum holding tank • Sound level during operation • Capacity of the water supply tank on water models or dust-fi ltering systems on air units
Source: Ditch Witch EquipmentWorld.com | March 2012 65
SELF-PURGING Vacmasters' System 6000 air-vacuum excavation system uses supersonic air from a proprietary nozzle to dig, trench and pothole in various soil types. • Components are powered by an enclosed John Deere, 250-horsepower diesel engine
• Features a self-purging fi ltration system • Remote operation up to 200 feet away. Write 071 on Reader Service Card or visit EquipmentWorld.com/info
