Related resources for this article ... Courtesy of Elgood-Mayo Corp., Lancaster, Pa. Courtesy of Elgood-Mayo Corp., Lancaster, Pa. Britannica Kids
: Pharmaceutical facilities use them to prevent contamination by maintaining a pressure cascade between rooms. 2. Fluid Blockage (Plumbing & Irrigation) air lock
An air lock (or vapor lock) occurs when gas becomes trapped in a high point of a liquid-filled pipe system, partially or completely blocking the flow . Related resources for this article
In engineering, an air lock is a chamber that allows people or objects to pass between areas of different air pressures without significantly changing the pressure of either environment. Pa. Courtesy of Elgood-Mayo Corp.