Submittal Sheet

En
vironment
ISO 14001
Quali
ty
IS
O 9001
daveywater.com
This literature is not a complete guide to product usage. All images provided in this document are for illustration
purposes only. Further information is available from your Davey Dealer, Davey Support Centre and from the relevant
product Installation and Operating Instructions. Must be read in conjunction with the relevant product Installation and
Operating Instructions and all applicable statutory requirements. Product speci cations may change without notice.
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H/O & MFG SCORESBY
DWP1940/0620
Constant Pressure System
HYDRAULIC PERFORMANCE
Models DD60-10NPT DD90-11NPT
Inlet 1¼" NPT F
Discharge outlet (BSP M) 1" NPT F
Default nominal operating pressure 60psi
Number of stages (impellers) 6 5
Maximum pump pressure (head) 98 Psi 84 Psi
Pressure tank outlet 1" NPT M
Tank pre-charge (Default) 41psi
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
Default Pressure
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
Default Pressure
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