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Pressure Control vs. Flow Control

... The controller (hand) turns both the hot and cold valves to enable water to flow from the spigot. The other hand is placed under ... provides an adjustable restriction to the flow, typically a poppet style valve Load - Part that drives the ...
A Basic Overview of Electronic Valve Technologies

... processes surrounding spider technology have led EV valves to become the industry standard for valve life, reliability, response, ... technology The most common poppet technology in the valve market place, this proven design is ideal for ...
High Flow in a Miniature Package: Clippard's DV Series

... when Leonard Clippard, founder, introduced the EV line of valves that utilized only one moving part, the "spider." Today, the EV valve is ... design, compared to the existing EV line, it is still a poppet valve. With a preload of approximately 0.017 in., stroke up to 0.018 ...
What You Need to Know About CV

... not every manufacturer expresses the flow capacity of their valves as CV based on the ANSI/NFPA specification. For example, below (Fig. 2) ... is not an effective orifice. Factors such as turbulence or poppet stroke of the valve make the actual valve orifice flow very different ...