variable speed

The new Model DRZ economical power drain cleaner from General Pipe Cleaners quickly and cleanly clears clogs from 1-1/4″ to 3″ sink, tub and laundry lines. It’s fast and easy to use. The patented Quick-Grip™ chuck lets you quickly grip or release the cable with just a quarter turn. Three chuck jaws securely hold 1/4″ Read more

Mechanical Hub | Screen Shot 2014 02 16 at 6.06.17 PM1

Danfoss extends its inverter scroll compressor range VZH in 2014 to include three new models. The variable speed VZH compressors provide superior efficiency at part-load conditions, can improve efficiency by more than 30 percent compared to fixed-speed compressors, and offer precise cooling capabilities. Designed for small rooftop and process cooling applications, the new inverter scroll Read more