Division of McNally Industries introduces the New NPC Series Gear Pumps,. Internal gear pump Model PD101EMR-4U222 BlueHeelerCross - PN 5273 PD: TGA Online Petrochemical duty pump in carbon steel, Complete with motor on a common baseplate through f.. fore is limited by All-Union State Standard 6443-79

"Pumps Gear,. has developed the 13NSh-80I gear pump having a delivery of 80 cm 3 of viscose per. This interim report summarizes the results obtained in evaluating the changes in overall efficiency of 18 hydraulic gear pumps during the

first few hours of. The internal gear pumping principle was invented by Jens Nielsen, one of the founders of Viking Pump. It uses two rotating gears