Adjustable drive fans are for exhausting corrosive fumes from institutional and industrial laboratory hoods. Four basic sizes with forward-curved wheels and two sizes with backward-inclined fan wheels are available. Capacities range from 250 to 4,000 CFM at static pressure to 2 1/2-inches WG. Fume hood fan catalog No. 26001 lists electrical and mechanical specifications; and provides performance charts, dimensions, and photographs.
DF Fan Services Inc., 495 Wegner Dr., West Chicago, IL 60185.
Linear guides are one of the most important components required for the development of automated or computer-controlled equipment. Aluminum profile extrusions, used for these guides in machine design, can enable designed-in functional features.
Focus on Fundamentals consists of 45-minute on-line classes that cover a host of technologies. You learn without leaving the comfort of your desk. All classes are taught by subject-matter experts and all are archived. So if you can't attend live, attend at your convenience.