ГОСТ ISO 17769-1—2014
type number
U
2.2.8.1
unstable pump H(Q) curve
V
2.2.7.1.2
vatve seat area
2.3.2.1
valve seat velocity
2.3.3.1
valve spill area
2.3.2.2
valve spill velocity
2.3.3.2
vapor pressure of the pumped liquid
2.1.9.3
velocity head
2.1.5.1.2
velocity pressure
2.1.9.16
volume rate of flow
2.1.3.2
volumetric efficiency
W
2.3.5.5
wet critical speed
2.2.6.4
working
2.1.2.7.1
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