PSI-Polymer Systems Inc. of Hickory, N.C., introduced a gear pump design, a temperature probe and a new seal and safety guarding on its screen changer. The compact gear pump has a one-piece gear and ...

A line of gear pumps from Gorman-Rupp Industries, Bellville, Ohio, are suitable for accurate metering, dispensing, or transferring fluids in medical and instrumentation devices and industrial ...

The technology involved in coal mining around the world has advanced a great deal over the years, especially in terms of improving the health and safety of the miners. At the same time mining ...