Davey DynaDrive DD15-35NPT

26
8.2 Hydraulic performance
DD15-35NPT DD60-10NPT DD90-11NPT
Inlet
1" NPT F
1¼" NPT F 1¼" NPT F
Discharge outlet
1" NPT F
1" NPT M 1" NPT M
Default nominal operating pressure 60psi 60psi 60psi
Number of stages (impellers) 5 6 5
Maximum pump pressure (head) 46m (151') 69m (226') 59m (194')
Pressure tank outlet
1" NPT M
1" NPT M 1" NPT M
Tank pre-charge (default)
290kPa (42psi) 290kPa (42psi) 290kPa (42psi)
Figure 8.1 Figure 8.2 Figure 8.3
TOTAL HEAD (ft)
0
50
20
40
60
80
100
100
150
200
250
FLOW
US gpm
0
4 8 12 16 20 24
0 4 8 12 16 20 24
US gpm
4 8 12 16 20 24
Qgpm
0
10
20
30
40
0
6
12
18
24
ft
%
NPSHr
%
DD60-10NPT
0.12
0.13
0.14
0.15
0.16
0.17
kW(P
2
) per stage
kW (P
2
)
FLOW
psi
0
TOTAL HEAD (ft)
0
20
40
60
80
100
120
140
160
180
10
20
30
40
50
60
70
FLOW
US gpm
0
4 8 12 16 20 24
0 4 8 12 16 20 24
US gpm
4 8 12 16 20 24
Qgpm
0
40
60
20
0
4
8
12
16
ft
%
NPSHr
%
DD15-35NPT
0.04
0.06
0.08
0.10
0.12
0.14
kW(P
2
) per stage
kW (P
2
)
FLOW
psi
0
0
TOTAL HEAD (ft)
Qgpm
0
20
40
60
0
7
14
21
ft
%
NPSHr
%
DD90-11NPT
0.12
0.13
0.14
0.15
0.16
0.17
0.18
0.19
kW(P
2
) per stage
kW (P
2
)
FLOW
50
100
150
200
250
FLOW
0 4 8 12 16 20 24 28 32 36
4 8 12 16 20 24 28 32 36
40 8 12 16 20 24 28 32 36
US gpm
20
40
60
80
100
US gpm
psi
0
8.3 Dimensions
DD60-10NPT
& DD90-11NPT
A 175mm (6
7
/
8
")
B 598mm (23
1
/
2
")
C 307mm (12")
D 149mm (5
7
/
8
")
E 102mm (4")
F 251mm (9
7
/
8
")
G 130mm (5
1
/
8
")
H 258mm (10
1
/
8
")
I 461mm (18
1
/
8
")
J 170mm (6
3
/
4
")
K 100mm (4")
L 130mm (5
1
/
4
")
I
L
K
J
C B
E F
D
A
HG
Figure 8.4