Transcription of Steam Sizing Chart - Spirax Sarco International
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ControlValvesGlobe ControlValvesSteam Sizing ChartIn the interests of development and improvement of the product, we reserve the right to change the regulation may restrict the use of this product below the conditions quoted. Limiting conditions refer to standard connections the Value CvCvcalculation is an interactive process requiring knowledge of valvedynamics, piping geometry factors, and outlet velocities. In practice, thissizing Chart is based on emperical values and will cater for most To Use the ChartExample find Cv value for critical flow Demand1500 lb/hrUpstream Pressure55 psi guage70 psi absoluteRefer to Selection Chart )Draw 1500 lb/hr flow line (A-B)2)Draw a horizontal line from 70 psi absolute to critical pressure dropline (C-D).
Control Valves Globe Control Valves Steam Sizing Chart In the interests of development and improvement of the product, we reserve the right to change the specification.
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