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Parallel connection of branches no.1, 2, 3, 4
Total pressure decrease
Δp
b
hPa
Total flow rate
With choker valve
1)
ΣQ
ch
l/min
Without choker valve
2)
Approximation
Q
chn
l/min
/
/
/
/
ΣQ
ch
l/min
/
Series connection of branches no. ………………
Total pressure decrease
ΣΔp
Bn
hPa
Total flow rate
ΣQ
chnmax
l/min
Pressure decrease in overall system
Cooling system branches
Δp
B
or
Σp
Bn
hPa
Coolant line
Length l
0
m
Added length
l
add0
m
Diameter d
0
mm
ΣQ
ch
l/min
Δp
L
/Δl at ΣQ
ch
hPa/m
Δp
L
hPa
Heat exchanger
Δp
He
hPa
Fittings
Δp
Ftg
hPa
Additional component
Δp
Add
hPa
+ /
Overall cooling system
Δp
Cs
hPa
Working point of coolant pump
Required delivery height
ΔH
m
Required delivery rate
Q
P
l/min
1)
The required coolant flow Q
chn
is set with the choker valve in
the cooling system branch.
2)
The coolant flow Q
chn
is set according to the pressure decrease
over the cooling system branches Δp
b
.
Tab. 11-15:
Sizing the coolant pump
Since the pressure decrease of the overall cooling system falls below the per‐
mitted input pressure, the coolant pump has been sized.
Tank
DOK-INDRV*-HXX05******-PR02-EN-P
Bosch Rexroth AG
397/407
Rexroth IndraDrive ML Drive Systems with HMU05
Appendix
Содержание Rexroth HMU05.1N Series
Страница 1: ...Rexroth IndraDrive ML Drive Systems with HMU05 Project Planning Manual R911344279 Edition 02 ...
Страница 12: ...Bosch Rexroth AG DOK INDRV HXX05 PR02 EN P X 407 Rexroth IndraDrive ML Drive Systems with HMU05 ...
Страница 32: ...Bosch Rexroth AG DOK INDRV HXX05 PR02 EN P 30 407 Rexroth IndraDrive ML Drive Systems with HMU05 ...
Страница 46: ...Bosch Rexroth AG DOK INDRV HXX05 PR02 EN P 44 407 Rexroth IndraDrive ML Drive Systems with HMU05 ...
Страница 124: ...Bosch Rexroth AG DOK INDRV HXX05 PR02 EN P 122 407 Rexroth IndraDrive ML Drive Systems with HMU05 ...
Страница 138: ...Bosch Rexroth AG DOK INDRV HXX05 PR02 EN P 136 407 Rexroth IndraDrive ML Drive Systems with HMU05 ...
Страница 366: ...Bosch Rexroth AG DOK INDRV HXX05 PR02 EN P 364 407 Rexroth IndraDrive ML Drive Systems with HMU05 ...
Страница 370: ...Bosch Rexroth AG DOK INDRV HXX05 PR02 EN P 368 407 Rexroth IndraDrive ML Drive Systems with HMU05 ...
Страница 409: ...Notes DOK INDRV HXX05 PR02 EN P Bosch Rexroth AG 407 407 Rexroth IndraDrive ML Drive Systems with HMU05 ...