Module 3 Process Piping Hydraulics Sizing And - Pressure Rating Pdf Exclusive

The specific you are evaluating (e.g., hydrocarbon gas, slurry, water)

ṁ=ρ1A1v1=ρ2A2v2m dot equals rho sub 1 cap A sub 1 v sub 1 equals rho sub 2 cap A sub 2 v sub 2 For incompressible fluids (where density remains constant):

= Darcy friction factor (determined using the Moody Chart or the Colebrook-White equation) = Equivalent length of the pipework (meters or feet) = Internal diameter of the pipe (meters or feet) = Fluid velocity (meters/second or feet/second) = Acceleration due to gravity ( Minor Losses in Fittings and Valves The specific you are evaluating (e

To calculate the minimum required inside cross-sectional area based on volumetric flow rate ( ) and target velocity (

Always kept lower (0.6 to 1.2 m/s) to prevent cavitation. Pressure Drop Considerations The specific you are evaluating (e.g.

) for a straight pipe under internal pressure, designers use the basic equation from ASME B31.3 paragraph 304.1.2:

If you need further assistance with your piping design, let me know: The and its operating temperature The volumetric flow rate or target velocity Your specific piping material requirements The specific you are evaluating (e

: Calculate the minimum wall thickness using the ASME B31.3 equations.

: Allowable stress value for the material at design temperature ( kPak cap P a