3-7
3.4 Specification tables
3.4.1 Standard models (boost models)
Automatic alternate operation <boost models>
Nominal diameter
mm
Standard specifications Specified ranges
Suction
condition
Pump
suction
Unit
discharge
Model
Output
kW
Phase/Voltage
V
Maximum
water
supply
m
3
/min
Total
head
m
Minimum
sustained
head
m
Stop pressure
(approximate
value)
MPa (kgf/cm
2
)
Water supply
m
3
/min
Discharge
head
selection
range
m
Pressure tank
pre-charge
pressure
MPa (kgf/cm
2
)
NX-VFC252-0.4S2D-e 0.4 0.06 23 20 0.25 (2.5) 0.02–0.09 15–27 0.13 (1.3)
NX-VFC252-0.75S2D-e 0.75 0.06 34 29 0.33 (3.4) 0.02–0.09 23-40 0.19 (1.9)
25 25
NX-VFC253-1.1S2D-e 1.1 0.06 55 47 0.54 (5.5) 0.02–0.09 37–64 0.31 (3.2)
NX-VFC322-0.4S2D-e 0.4 0.1 16 14 0.19 (1.9) 0.02–0.11 12–27 0.10 (1.0)
NX-VFC322-0.75S2D-e 0.75 0.1 24 20 0.25 (2.5) 0.02–0.15 15–31 0.12 (1.2)
32 32
NX-VFC323-1.1S2D-e 1.1 0.1 41 35 0.40 (4.1) 0.02–0.15 26–52 0.23 (2.3)
40 40 NX-VFC401-1.1S2D-e 1.1
Single-phase
200 (50 Hz),
single-phase
200 (60 Hz)
0.2 20 17 0.22 (2.2) 0.02–0.26 15–28 0.13 (1.3)
NX-VFC252-0.4D-e 0.4 0.06 23 20 0.25 (2.5) 0.02–0.09 15–27 0.13 (1.3)
NX-VFC252-0.75D-e 0.75 0.06 34 29 0.33 (3.4) 0.02–0.09 23–40 0.20 (2.0)
25 25
NX-VFC253-1.1D-e 1.1 0.06 55 47 0.54 (5.5) 0.02–0.09 37–64 0.31 (3.2)
NX-VFC322-0.4D-e 0.4 0.1 16 14 0.19 (1.9) 0.02–0.11 12–27 0.10 (1.0)
NX-VFC322-0.75D-e 0.75 0.1 26 22 0.26 (2.7) 0.02–0.15 15–33 0.13 (1.3)
NX-VFC323-1.1D-e 1.1 0.1 41 35 0.40 (4.1) 0.02–0.15 26–52 0.23 (2.3)
NX-VFC323-1.5D-e 1.5 0.1 50 43 0.49 (5.0) 0.02–0.15 33–60 0.28 (2.9)
32 32
NX-VFC324-2.2D-e 2.2 0.1 67 57 0.66 (6.7) 0.02–0.15 45–80 0.39 (4.0)
NX-VFC401-1.1D-e 1.1 0.2 20 17 0.22 (2.2) 0.02–0.26 15–28 0.13 (1.3)
NX-VFC402-1.5D-e 1.5 0.2 30 26 0.30 (3.1) 0.02–0.28 21–40 0.18 (1.8)
NX-VFC402-2.2D-e 2.2 0.2 42 36 0.41 (4.2) 0.02–0.28 30–57 0.25 (2.6)
NX-VFC402-3.7D-e 3.7 0.2 57 48 0.56 (5.7) 0.02–0.30 37–67 0.31 (3.2)
NX-VFC403-3.7D-e 3.7 0.2 65 55 0.64 (6.5) 0.02–0.30 45–80 0.39 (4.0)
40 40
NX-VFC403-5.5D-e 5.5 0.2 79 67 0.77 (7.9) 0.02–0.30 50–90 0.44 (4.5)
NX-VFC501-1.5D-e 1.5 0.3 16 14 0.19 (1.9) 0.02–0.38 12–22 0.10 (1.0)
NX-VFC502-2.2D-e 2.2 0.3 27 23 0.27 (2.8) 0.02–0.38 18–42 0.16 (1.6)
NX-VFC502-3.7D-e 3.7 0.3 48 41 0.47 (4.8) 0.02–0.44 30–65 0.25 (2.6)
NX-VFC503-5.5D-e 5.5 0.3 65 55 0.64 (6.5) 0.02–0.44 41–90 0.35 (3.6)
50 50
NX-VFC503-7.5D-e 7.5 0.3 76 65 0.75 (7.6) 0.02–0.45 50–90 0.44 (4.5)
NX-VFC652-3.7D-e 3.7 0.45 26 22 0.26 (2.7) 0.02–0.56 18–38 0.15 (1.5)
NX-VFC652-5.5D-e 5.5 0.45 41 35 0.40 (4.1) 0.02–0.56 30–57 0.25 (2.6)
Boost models
65 65
NX-VFC653-7.5D-e 7.5
Three-phase
200 (50 Hz),
three-phase
200/220 (60 Hz)
0.45 58 49 0.57 (5.8) 0.02–0.58 41–80 0.35 (3.6)
Automatic alternate parallel operation <boost models>
Nominal diameter
mm
Standard specifications Specified ranges
Suction
condition
Pump
suction
Unit
discharge
Model
Output
kW
Phase/Voltage
V
Maximum
water
supply
m
3
/min
Total
head
m
Minimum
sustained
head
m
Stop pressure
(approximate
value)
MPa (kgf/cm
2
)
Water supply
m
3
/min
Discharge
head
selection
range
m
Pressure tank
pre-charge
pressure
MPa (kgf/cm
2
)
NX-40VFC252-0.4S2W-e 0.4 0.12 22 19 0.24 (2.4) 0.04–0.18 15–27 0.13 (1.3)
NX-40VFC252-0.75S2W-e 0.75 0.12 34 29 0.33 (3.4) 0.04–0.18 23-40 0.19 (1.9)
25 40
NX-40VFC253-1.1S2W-e 1.1 0.12 54 46 0.53 (5.4) 0.04–0.18 37–64 0.31 (3.2)
NX-50VFC322-0.4S2W-e 0.4 0.2 16 14 0.19 (1.9) 0.04–0.23 12–27 0.10 (1.0)
NX-50VFC322-0.75S2W-e 0.75 0.2 23 20 0.25 (2.5) 0.04–0.30 15–31 0.12 (1.2)
32 50
NX-50VFC323-1.1S2W-e 1.1 0.2 41 35 0.40 (4.1) 0.04–0.30 26–52 0.23 (2.3)
40 65 NX-65VFC401-1.1S2W-e 1.1
Single-phase
200 (50 Hz),
single-phase
200 (60 Hz)
0.4 19 16 0.21 (2.1) 0.04–0.52 15–28 0.13 (1.3)
NX-40VFC252-0.4W-e 0.4 0.12 22 19 0.24 (2.4) 0.04–0.18 15–27 0.13 (1.3)
NX-40VFC252-0.75W-e 0.75 0.12 34 29 0.33 (3.4) 0.04–0.18 23–40 0.20 (2.0)
25 40
NX-40VFC253-1.1W-e 1.1 0.12 54 46 0.53 (5.4) 0.04–0.18 37–64 0.31 (3.2)
NX-50VFC322-0.4W-e 0.4 0.2 16 14 0.19 (1.9) 0.04–0.23 12–27 0.10 (1.0)
NX-50VFC322-0.75W-e 0.75 0.2 25 21 0.25 (2.6) 0.04–0.30 15–33 0.13 (1.3)
NX-50VFC323-1.1W-e 1.1 0.2 41 35 0.40 (4.1) 0.04–0.30 26–52 0.23 (2.3)
NX-50VFC323-1.5W-e 1.5 0.2 50 43 0.49 (5.0) 0.04–0.30 33–60 0.28 (2.9)
32 50
NX-50VFC324-2.2W-e 2.2 0.2 67 57 0.66 (6.7) 0.04–0.30 45–80 0.39 (4.0)
NX-65VFC401-1.1W-e 1.1 0.4 19 16 0.21 (2.1) 0.04–0.52 15–28 0.13 (1.3)
NX-65VFC402-1.5W-e 1.5 0.4 29 25 0.29 (3.0) 0.04–0.56 21–40 0.18 (1.8)
NX-65VFC402-2.2W-e 2.2 0.4 41 35 0.40 (4.1) 0.04–0.56 30–57 0.25 (2.6)
NX-65VFC402-3.7W-e 3.7 0.4 57 48 0.56 (5.7) 0.04–0.60 37–67 0.31 (3.2)
NX-65VFC403-3.7W-e 3.7 0.4 65 55 0.64 (6.5) 0.04–0.60 45–80 0.39 (4.0)
40 65
NX-65VFC403-5.5W-e 5.5 0.4 78 66 0.76 (7.8) 0.04–0.60 50–90 0.44 (4.5)
NX-65VFC501-1.5W-e 1.5 0.6 15 13 0.18 (1.8) 0.04–0.74 12–22 0.10 (1.0)
NX-65VFC502-2.2W-e 2.2 0.6 27 23 0.27 (2.8) 0.04–0.75 18–42 0.16 (1.6)
NX-65VFC502-3.7W-e 3.7 0.6 48 41 0.47 (4.8) 0.04–0.87 30–65 0.25 (2.6)
NX-65VFC503-5.5W-e 5.5 0.6 65 55 0.64 (6.5) 0.04–0.87 41–90 0.35 (3.6)
50 65
NX-65VFC503-7.5W-e 7.5 0.6 76 65 0.75 (7.6) 0.04–0.90 50–90 0.44 (4.5)
NX-80VFC652-3.7W-e 3.7 0.9 25 21 0.25 (2.6) 0.04–1.08 18–38 0.15 (1.5)
NX-80VFC652-5.5W-e 5.5 0.9 39 33 0.38 (3.9) 0.04–1.09 30–57 0.25 (2.6)
Boost models
65 80
NX-80VFC653-7.5W-e 7.5
Three-phase
200
0.9 57 48 0.56 (5.7) 0.04–1.13 41–80 0.35 (3.6)
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