Perspectives: Plant InSites

Tame Tough Dosing Duties

Consider a different approach to achieve accurate additions

By Andrew Sloley, Contributing Editor
Jul 27, 2016

Precise dosing of liquid additives is essential in a variety of processes. A recent column discussed issues in selecting an appropriate metering pump (“Prevent Metering Pump Mayhem.[sitetree_link,id=11032]”). Now, let’s look at the metering pump’s control system, which regulates the amount of additive used. Such systems usually are either open-loop or closed-loop.

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