PIPEMILL - Piping Engineering, Design and AnalysisVersion: 3.01d Full Run TECHNIP ENGINEERING THAILAND LTD.

PSV AND RUPTURE DISC REACTION FORCE CALCULATION ____________________________________________________________________________________________________________

Calculation by: ____________________ Checked by: ______________________ Monday,Jan 26,2015

File Name: File name:

CLOSED DISCHARGE PSV REACTION FORCES BASED ON API RP 520, VAPOUR AND GASProject / Description:61395-TC&S DD for South Pailin Flar-Relief

PSV Tag No.:4723/24 Rev.

PSV Data Sht. No.:4723/24 Rev.

Stress Isometric No.:6"-GP-C1-8061 Rev.

INPUT DATA: FORCE LOCATION DIAGRAM:

Relief Temperature T: 223 deg. F.

Set Pressure P: 350 psig

Downstream Pressure Pd: 385 psig

Required Mass Flow Rate W: 72443 lb/hr.

Molecular Weight M: 43.92

Ratio of Specific Heats kc=Cp/Cv: 1.083

Required Orifice Area Ar: 3.32 in.2

Actual orifice Area Aa: 3.6 in.2 Valve Orifice Designation: M

Dynamic Amplification Factor daf: 2 __________________________________________________________________________________________________

F5

F4

Pop condit ion Established f low

OUTPUT DATA:

F1 = 610.15 lbf.

F2 = 270.44 lbf.

F4 = daf . F1 F4 = 1220.29 lbf.

F5 = daf . F2 F5 = 540.89 lbf.

End of calculation