Gear pumps use the meshing of gears to produce flow through means of displacement. They excel at efficiently pumping high viscosity liquids, such as asphalt, adhesives, and other chemicals.
Gear pumps can be classified as either internal gear pumps or external gear pumps and represent one branch of positive displacement pumps.
Truck mounted rotary screw, rotary vane and hook and claw compressors and cargo pumps for pressure discharge of liquid and dry bulk materials.
Welch-Ilmvac provide high quality vacuum pumps and systems for laboratory, life science, chemical, refrigeration and light industrial applications.
Manufacturing high quality, dependable gear, centrifugal, chemsteel and rubber impeller pumps for use in industrial, marine and chemical applications.