Tools of the Trade
February 2002
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Multi-wing fans
Crowley Co.'s multi-wing aluminum H&Z Series fans feature an airfoil blade design that produces a combination of high air volume, low power consumption, and low noise. Hubs and blades are made of die cast aluminum, providing strong, light-weight, corrosion-resistant performance in a range of applications.
Two-gas mixer
Smith Equipment Co.'s high-capacity two-gas mixer with a 42-L (11-gal) surge tank is primarily used for mixing welding shield gases. The unit is suitable for liquid cryogas applications and delivers precisely mixed gases accurate within 1.5% at up to 1100 scfh. Since the mixer is a mechanical system, it requires no electrical hookup, no electrical service or special wiring, and it eliminates the possibility of electrical component failure. In addition, it is less susceptible to environmental factors and is not affected by power supply interruptions.
Battery-operated analyzer
The Soot Chek from Wilks Enterprise is a handheld, battery-operated diagnostic tool that measures soot concentration levels in diesel engine lubricating oils. This analyzer is designed for fleet operators, transit authorities, construction sites, and preventive maintenance personnel. It enables users to know exactly when to change the lubricating oil.
