Air Lock -

: Air can enter a system during maintenance, pump restarts, or through dissolution in the liquid itself. air lock - Students | Britannica Kids | Homework Help

: 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 . : Air can enter a system during maintenance,