Cazuela de Vaca (Beef and Pumpkin Stew) This hearty Chilean stew of beef, corn, and pumpkin is a one dish meal. The main ingredients are stewed in serving-sized pieces, so that each person receives a large piece surrounded by a broth with the other vegetables.
Quick Answer. A rotary vane vacuum pump works by using centrifugal force to turn blades against the circular surface of a cylinder whereby pockets of air are pushed from an inlet port to an outlet port as air pressure increases.
How Does It Work. A Permeate Pump is a simple, yet revolutionary device. Powered only by the hydraulic energy of the brine water lost to the drain (i.e. no electricity required), the permeate pump forces product water into the storage tank, reducing membrane back pressure and maximizing available feed pressure.