Transcription of DEFINITIONS - Circle Seal Controls - Fluid Control Solutions
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PRODUCT APPLICATIONS ENGINEERING DATA - 1 DEFINITIONSBACK PRESSURE:The pressure that is on the outlet side of a PRESSURE:Four times working pressure unless otherwise specified bycustomer. Actual burst is when a fracture occurs. Fractureoccurs when the force on the weakest part of a unit reaches theultimate strength of the PRESSURE:The pressure at which a component starts to open. Circle SealControls definition is 5cc/min air for an elastomer and SCFMfor :Flow capability indication commonly accepted by the valve indus-try. The literal definition is that a component with a Cv of one (1)can flow one (1) gallon of water with a P of one (1) PSI.
PRODUCT APPLICATIONS • ENGINEERING DATA - 3 LIQUID FLOW CV EQUATION Cv = Q G ∆P This equation applied to all liquids including cryogenic liquids. LEGEND Cv - Flow coefficient Q - Flow …
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