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Practical Centrifugal Pumps
book

Practical Centrifugal Pumps

by Paresh Girdhar, Octo Moniz
April 2011
Beginner to intermediate content levelBeginner to intermediate
264 pages
8h 24m
English
Newnes
Content preview from Practical Centrifugal Pumps
198 Appendix A
9.2 Suction head / closed tank
Water temperature – 130 °C, Density @ 130 °C – 934.6 kg/m
3
,
Vapour pr @ 130 °C =
270.13 kPa (absolute), Gauge pr = 130 kPa
g
, Gravitational acceleration = g = 9.81 m/s
2
,
Suction head (H
s
) = 4.0 m, Pipe friction loss = 1.1 m, Valve friction loss = 0.1 m
st vap
NPSH-a= HH
Closed
tank
WL
Valve friction loss
(0.1 m)
H
s’
=4m
Pipe friction loss (1.1m)
130
KPa
9.3 Suction head / closed tank – given
Water temperature = 108 °C, Density @ 108 °C – 952.2 kg/m
3
,
Vapor pr @ 108 °C =
133.90 kPa (absolute), Gauge pr = 110 kPa
g
, Gravitational acceleration = g = 9.81 m/s
2
,
Suction head (H
s
) = 4.0 m, Pipe friction loss = 1.1 ...
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Publisher Resources

ISBN: 9780080480145