A pH controller consists of a probe to measure the current pH of the substance, chemicals to correct the pH via an injection pump, and a controller that calculates the required injection rate and activates the injection system.
Floating Suction Unit Function and Description Universal Floating Suction Units FSU are designed to ensure that product in a storage tank is drawn off just below the surface of the liquid where it is cleanest, preventing the suction point being at the bottom of the tank where water and residuals will settle down.