Data sheet
Energy Recovery Device / iSave 21-40
4
521B1116 / DKCFN.PD.003.A4.02 / 01.2012
3.
Technical data
3.1 Operating conditions
iSave 21
iSave 40
Code number
180F7000 (US 180F7010)
180F7001 (US 180F7011)
180F7003
Energy Recovery Device
iSave 21
iSave 40
Rated flow
21 m
3
/hr
41.4 m
3
/hr
1)
Geometric displacement
265.8 cm
3
/rpm
(16.2 in
3
/rpm)
626 cm
3
/rpm
(38.2 in
3
/rpm)
High-pressure inlet flow, maximum
21 m
3
/hr (92.4 gpm)
44 m
3
/hr (194 gpm)
Low-pressure inlet flow, maximum
33 m
3
/hr (145 gpm)
67 m
3
/hr (295 gpm)
High-pressure inlet pressure,
maximum
83 bar (1200 psig)
83 bar (1200 psig)
High-pressure inlet pressure,
minimum
10 bar (145 psig)
10 bar (145 psig)
High-pressure inlet pressure,
intermittent, minimum
3)
3 bar (43.5 psig)
2)
3 bar (43.5 psig)
Low-pressure inlet pressure,
maximum
3)
10 bar (145 psig)
10 bar (145 psig)
Low-pressure outlet pressure,
minimum
1 bar (14.5 psig)
1 bar (14.5 psig)
High-pressure outlet pressure,
maximum
83 bar (1,200 psig)
83 bar (1,200 psig)
Filtration requirements (nominal )
4)
3 µm melt-blown
3 µm melt-blown
Torque, maximum
5)
36 Nm (26.5 lbf-ft)
119 Nm (87.8 lbf-ft)
Starting torque (slip/stick)
85 Nm (62.7 lbf)
Power requirement at 60 bar,
and booster pressure of 3 bar
5.5 kW (7.5 hp)
10 kW (15 hp)
Weight including electric motor
95 kg (209,5 lb)
254 kg (560 lb)
3.2 Performance
iSave 21
iSave 40
Peak efficiency including high-
pressure booster pump at 60 bar
93 %
91 %
Maximum pressure raise on iSave
7)
3 bar (43.5 psig)
5 bar (72.5 psig)
Maximum low-pressure differential
(LP In - LP Out)
7)
0.9 bar (13 psi) at 21m
3
/hr
(92.4 gpm)
1.2 bar (17.5 psi) at 40 m
3
/hr
(176.1 gpm)
Maximum lubrication flow at 60 bar
0.42 m
3
/hr (1.8 gpm)
0.8 m
3
/hr (3.5 gpm)
Minimum speed
500 rpm
600 rpm
Maximum speed
1,500 rpm
1,200 rpm
Salinity increase at membrane at
40% recovery rate
2-3 %
2-3 %
Typical noise level
6)
86 dB(A)
88 dB(A)
1)
Typical average flow at 60 bar
2)
Minimum inlet high pressure can be 1 bar, if
speed of iSave is maximum 750 rpm
3)
Intermittent pressure is acceptable for less
than 10 minutes within a period of 6 hours
4)
Please see section 7. Filtration
5)
Warning: A minimum of 10 seconds is
required when ramping up the speed from
zero to maximum. Otherwise, the torque will
exceed the maximum limit and may be
harmful to the isave.
6)
Noise level is depending on system design.
The noise level can be obtained by “proper”
design.
Please contact Danfoss RO Solutions sales
organization.
7)
At speed above 50Hz and power supply lover
than 400V the maximum pressure raise is
4 bar.
Summary of Contents for iSave 21
Page 5: ...User manual iSave 21 5 180R9221 521B1174 DKCFN PS 003 A1 02 1 CE Declaration of conformity...
Page 32: ...User manual iSave 21 32 180R9221 521B1174 DKCFN PS 003 A1 02...
Page 38: ...User manual iSave 21 38 180R9221 521B1174 DKCFN PS 003 A1 02...
Page 43: ...User manual iSave 21 43 180R9221 521B1174 DKCFN PS 003 A1 02 10 3 Data sheet...
Page 44: ...User manual iSave 21 44 180R9221 521B1174 DKCFN PS 003 A1 02...
Page 58: ...User manual iSave 21 58 180R9221 521B1174 DKCFN PS 003 A1 02...
Page 59: ...User manual iSave 21 59 180R9221 521B1174 DKCFN PS 003 A1 02 10 4 iSave part list...
Page 60: ...User manual iSave 21 60 180R9221 521B1174 DKCFN PS 003 A1 02...
Page 61: ...isave danfoss com iSave 21 Parts list 180R9209 DKCFN PC 003 A2 02 Parts list...
Page 66: ...Parts list iSave 21 Parts list 6 180R9209 DKCFN PC 003 A2 02 03 2011 Exploded view Vane pump...
Page 68: ...Parts list iSave 21 Parts list 8 180R9209 DKCFN PC 003 A2 02 03 2011 Exploded view iSave...
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Page 71: ...User manual iSave 21 71 180R9221 521B1174 DKCFN PS 003 A1 02 10 5 iSave overload protection...
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