ISO 17769-1:2012

Liquid pumps and installation — General terms, definitions, quantities, letter symbols and units — Part 1: Liquid pumps

Pages: 192
Latest Standard: ISO 17769-1:2012

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Liquid pumps and installation — General terms, definitions, quantities, letter symbols and units — Part 1: Liquid pumps

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ISO 17769-1:2012

Liquid pumps and installation — General terms, definitions, quantities, letter symbols and units — Part 1: Liquid pumps

ISO 17769-1:2012 specifies terms, letter symbols and units related to the flow of liquids through rotodynamic and positive displacement liquid pumps and associated installations. It serves as a means of clarifying communications between the installation designer, manufacturer, operator and plant constructor. It identifies the units in common usage, but all additional legal units can be used.

ISO 17769-1:2012 deals solely with conditions described by positive values for the rate of flow and pump head.

Edition	2012
Standard Part No	1
Published Date	2012
Published By	International Standardization Organisation
Page Count	181

Standard Number: ISO 17769-1:2012
Edition: 2012
Publication Year: 2012
Pages: 192
Latest Standard: ISO 17769-1:2012
Category: ISO

pump
pump unit
installation
system
conditions
design
rated
operating
operating conditions
allowable
working
test
nominal
mass rate of flow
rate of flow
optimum rate of flow
rated flow
normal flow
maximum flow
minimum flow
maximum allowable flow
minimum allowable flow
minimum allowable stable flow
minimum allowable thermal flow
balancing rate of flow
leakage rate of flow
inlet rate of flow
outlet rate of flow
intermediate take-off rate of flow
reference plane
height
height of the inlet connection
height of the outlet connection
height of the inlet-side measuring point
height of the outlet-side measuring point
height of the inlet side of the installation
height of the outlet side of the installation
height of the inlet manometer
height of the outlet manometer
level difference
head
pressure head
velocity head
total head
installation total head
pump total head
pump unit total head
static head
loss of head
height of the NPSH datum plane
net positive suction head
net positive suction head available
net positive suction head required
net positive suction head required for a drop of 3 %
specific energy
inlet area of the pump
outlet area of the pump
inlet area of the installation
outlet area of the installation
mean velocity at point x
mean velocity at inlet
mean velocity at outlet
mean velocity at inlet area of the installation
mean velocity at outlet area of the installation
local velocity
pressure at point x
atmospheric pressure
vapour pressure of the pumped liquid
inlet pressure of the pump
maximum allowable inlet pressure
maximum inlet pressure
rated inlet pressure
outlet pressure of the pump
maximum outlet pressure
rated outlet pressure
differential pressure
rated differential pressure
gauge pressure at point x
inlet pressure of the installation
outlet pressure of the installation
maximum allowable working pressure
maximum allowable casing working pressure
maximum dynamic sealing pressure
maximum static sealing pressure
hydrostatic test pressure
basic design pressure
velocity pressure
maximum allowable temperature
allowable temperature range of the pump
pump power output