When minimal fluctuations in pressure and flow are critical factors, which of the following pres-sure-reducing valves would be the best choice?

a. Single-stage preset pressure-reducing valve
b. Multiple-stage pressure-reducing valve
c. Uncompensated Thorpe tube flowmeter
d. Bourdon adjustable pressure regulator


ANS: B
For this reason, a multiple-stage reducing valve should be considered only if minimal fluctuations in pressure or flow are critical factors, as in research activities. For routine hospital work, sin-gle-stage reducing valves are satisfactory.

Health Professions

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