This is the second set of valve illustrations I've drawn up to better explain how our technology functions.

This diagram illustrates how one of our mixing valves function.  Two inlets, and one outlet; powered by a thermostatic linear actuator.

The thermostatic actuator senses the mix temperature and expands or contracts thus moving the internal slide which controls flow on both sides of the valve.  Hot is mixed with Cold to achieve a set temperature that is designed into the linear actuator. 

There are several springs illustrated; one spring provides the return force for contraction when it occurs, and the second is a safety feature which will be utilized if the valve malfunctions or becomes contaminated by foreign objects in the flow ; the safety pressure relief spring will allow the valve to open and flow regardless of what the actuator does.  This feature is hopefully never utilized but can save a system from severe damage.

Learn more at http://www.RostraVernatherm.com 
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Valve Illustrations
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