Pump Selection & Hydraulic Calculation

Comprehensive duty calculation, NPSH analysis, viscosity correction, and type selection logic.

A) General & Units MANDATORY

Stage
Final mode enforces NPSH for centrifugal services.
kPa (abs)

B) Flow & Operation MANDATORY

mΒ³/h
mΒ³/h
%
mΒ³/h
%
Parallel trains (e.g. 2Γ—100%)

C) Fluid Properties MANDATORY

Β°C
kg/mΒ³
kPa (abs)
cP
cSt
% vol

D) Hydraulic Duty MANDATORY

%
m
kPa

E) NPSH Check VENDOR REQ

Skip if unknown
m
m
m
m
rpm
m
m
m
%

F) Viscosity Correction PRELIMINARY

Key Performance Indicators

Rated Flow (per pump)
-
Differential Head
-
NPSH Available (NPSHA)
- m Equation...
NPSH Margin Status
- Check vs Req

Viscosity Corrected Duty

Equivalent water duty for centrifugal curve selection
ParameterViscous DutyEquiv. Water Duty
Flow--
Head--
Correction--

Selection Recommendation

-
-
Pump Type Selection Envelope (Head vs Flow)

Critical Checklist

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