Thermostatic-balancing tempering valves.Powers' HydroGuard tempering tempering, process involving slow and moderate heating to increase the hardness and toughness of metals that have undergone previous heat treatment. Metals are usually hardened (see hardening) by being heated to high temperatures and quenched rapidly. valves are available with thermostatic-balancing valve assemblies. The balancing assembly monitors return-line water temperature and flow and automatically directs water to the cold side of the valve (if within the set point) or to the hot water source (if too cool). Each HydroGuard system is mounted on heavy-duty welded struts A framework for writing Web-based applications in Java that supports the Model-View-Controller (MVC) architecture. Struts is deployed as JSP pages using special tags from the Struts tag library, which includes routines for building forms, HTML rendering, storing and retrieving data and , comes fully assembled and factory tested, includes temperature/pressure gauges for system diagnostics, and has a return-line flow meter flow meter Device that measures the velocity of a gas or liquid. It has applications in medicine as well as in chemical engineering, aeronautics, and meteorology. Examples include pitot tubes, venturi tubes, and rotameters (tapered graduated tubes with a float inside that is to insure Insure can mean:
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