Data For Calculating Metering Line - ProMinent alpha General Operating Instructions

Data for Calculating Metering Line

Page 28
Customer:
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Project No.:
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Metering pump
Type
Capacity
Stroke rate
Type of valve (ball/plate)
Valve spring pressure, intake side
Valve spring pressure, delivery side
Max. permissible operating pressure
Medium
Designation, concentration
Proportion of solids/grain size
Material solids/hardness
Dynamic viscosity
Density
Vapour pressure at operating temp.
System intake side
Pressure in intake tank
Nominal diameter intake line
Intake hight min/max.
nlet hight min/max.
Intake line length
Pipe condition**
Number of brackets/valves
Pulsation damper
System delivery side
Static system pressure min/max
Nominal diameter delivery line
Delivery line length
Delivery hight*
Pipe condition**
Number of brackets/valve
Pulsation damper
* When calculating:
Observe sign, tank level below liquid end = negative intake head H
Metering line outlet level under liquid end = negative delivery head HD
** The pipe properties should be specified for precise calculation at viscosities below 50 mPas.
Date :
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Diagram/remarks
–
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l/h
............................................................................................
stroke/min
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–
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bar
............................................................................................
bar
............................................................................................
bar
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%
............................................................................................
%/mm
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(Mohs Scale)
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mPa s (cP)
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kg/m³
............................................................................................
bar/°C
............................................................................................
............................................................................................
DN/mm
............................................................................................
m
m
............................................................................................
m
............................................................................................
Smooth and clean plastic
Seamless, smooth steel
Galvanized steel pipe
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Diaphragm accumulator
Compressed air vessel
bar
............................................................................................
DN/mm
............................................................................................
m
............................................................................................
m
............................................................................................
Smooth and clean plastic
Seamless, smooth steel
Galvanized steel pipe
............................................................................................
Diaphragm accumulator
Compressed air vessel
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