DUTY / CASE Duty 2: Transfer of Trichloride from storage

to Recycle
CONDITIONS Information highlighted in BLUE are required entries
Material Pumped Phosphorus Trichloride Values Highlighted in GREEN are calculated values
P.T=Pumping Temperature (C) 15.5
Q=Flowrate (m3/h) Design 15.0 Normal # 11
Density (kg/m3) 1585
u=Viscosity (cP) 5 Pvp*=Vapour Pressure (mbar) 130
Vessel Press (barA) Suction 1 Discharge 1
Ctrl Vlv Loss (bar) 0.00 Equip.Loss (bar) 0
Orifice (mm) 25
Pipe (Material) CS Schedule 40
Nominal Size (ins) Suction 2 Discharge 1.5
d,Actual ID (mm) Suction 52.5 Discharge 40.89 See notes for Actual pipe diameters
* At Pumping Temperature

SUCTION FITTINGS & VALVES

TYPE FACTOR NB " No. HEAD(m)
* Plug Valve 0.46 2 3 2.76
* 90 deg Elbow 0.76 2 4 6.08
FRICTION HEAD LOSS ON SUCTION * Std T Side 1.52 2 1 3.04
Fluid Velocity (m/s) = 1.927 * 2 0
Reynolds No. = 3.206E+04 * 2 0
Friction Factor = 0.026 - See notes for Calculation Method Total Suct. Val&Fit Eq. Lengths (m) 11.88
Pressure Drop - m fluid / 100m eq. length = 9.216
* Length of Suct. straight pipe (m) 8
Total Friction Head loss (including 15% safety factor) = 2.107 (m) Total Equivalent Suct. length (m) 19.88

DISCHARGE FITTINGS & VALVES

FRICTION HEAD LOSS ON DISCHARGE TYPE FACTOR NB " No. HEAD(m)
Fluid Velocity (m/s) = 3.176 * Plug Valve 0.46 1.5 4 2.76
Reynolds No. = 4.117E+04 * 90 deg Elbow 0.76 1.5 6 6.84
Friction Factor = 0.025 - See notes for Calculation Method * Std T S-Thru 0.52 1.5 1 0.78
Pressure Drop - m fluid / 100m eq. length = 31.819 * Flowmeter 0.46 1.5 0 0
* 1.5 0
Total Friction Head loss (including 15% safety factor) = 8.921 (m) Total Disch. Val&Fit Eq. Lengths (m) 10.38

* Length of Disch. straight pipe (m) 14

Total Equivalent Disch. length (m) 24.38
SUCTION & DISCHARGE HEADS SUCTION DISCHARGE
Vessel Pressure m 6.435 6.435 SYSTEM POWER
Liq. Level (above pump +; below -) m 1.000 * Efficiency(note4)= 0.6 (<1)
Stat Head (above pump+ ;below -) m 6.000 Estimated Power= 2.864 (KW)
Total Fric. Head Loss(plus Vel Head)m -2.296 9.435
Control Valve (see notes 1 and 2) m 0.000 0.000 NOTES
Orifice (see note 2 and 3) m 0.000 9.867
Equipment (see note 2) m 0.000 0.000 1.Assume control valve loss to be 70% to 100%
Suc. Head Sum,metres of Fluid,abs. 5.139 of piping plus equipment friction loss for initial
Dis. Head Sum,metres of Fluid,abs. 31.737 calculation. Consult instrument engineer for
final selection.
DYNAMIC HEAD
Discharge Head Sum 31.74 m 2.All suction side values to be input negatively,
Suction Head Sum -5.14 m and discharge side values to be input positively
TDH=Total Dynamic Head 26.60 m
3.Control valves and orifices not normally used
NPSH in pump suction.
Suction Head Sum 5.14 m
Pvp -0.84 m 4.Use combined efficiency of pump and drive.
NPSH Available 4.30 m