Process variables, including the pressure and flow of gases and liquids, long have been regulated using mechanical clutches, throttles, and adjustable-inlet...More
Belts HVAC Power V-Belts extend belt life for exhaust-blower drives with higher temperature resistance and less flex fatigue. Optibelt Corp.Circle 48...More
Traditionally, the primary use of drives has been in applications such as powering pumps, fans, and conveyors. While they will continue to be used in...More
Editor's note: The following article is adapted from Peak Shaving A Method to Reduce Utility Costs, published in the proceedings of the 2004 Region 5...More
The use of variable-frequency drives (VFDs) in supermarkets to control compressor and fan motors has become a key factor in reducing energy costs, enhancing...More
Alternating-current drives Designed for HVAC pump and fan applications, the Altivar 21 variable-frequency alternating-current drive offers up to 40 hp...More
Part of the Cleveland Metroparks Zoo complex, The RainForest is a 2-acre, two-level exhibit showcasing more than 10,000 plants and 600 animals from the...More
The use of variable-frequency drives (VFDs) to control alternating-current (AC) motors has increased dramatically in recent years. In addition to featuring...More
