Fluid-handling devices are not basically concerned with the modulation of power, but only with the movement of fluid. Choosing a fluid-handling valve used to be easy, because each one had its own area ...
• The first step in selecting a valve is determining its function. • Review Cv or pressure drop when considering one valve versus another. • Don’t overlook maintenance requirements when specifying a ...
A SATISFACTORY adjustable needle valve for admitting a small constant flow of gas into a highly exhausted vessel is difficult to make. A number of ingenious forms have been described by various ...
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