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Davey Silver Series ST25-03

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Davey Silver Series Pump Turbine
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Content Preview
GARDEN WATERING TURBINE PUMPS
As more and more metropolitan customers install rainwater tanks for
garden and non-potable water applications, they have found a need for
a reliable way of using the water they capture. Davey, with their years
of experience and market leadership, have developed the Silver Series
of pumps to economically satisfy these needs.
Davey are known all around the world for the quality and reliability of
ST25-03
their pumps, and the new Silver Series has been developed to live up
to this enviable reputation.
While the domestic back yard may not be as harsh as the Australian
outback, Davey know that reliability is just as important to you. Silver
Series pumps are manufactured to the exacting standards Davey have
established for all their products. Important components like bearings,
capacitors, seals and controls have all been specified to Davey's
standards. The Silver Series pump will provide a dependable, value for
money investment.
ST25-03MP
M O D E L S
O P E R A T I N G L I M I T S
ST25-03 models are peripheral turbine pumps, offering low flows of
Capacities to
30 lpm
relatively high pressures, making them ideal to pump clean rainwater
Pressure heads up to
40m
for a single garden hose.
Max. operating pressure
600kPa
S T 2 5 - 0 3
Max. incoming (suction)
This is a manual pump, suitable for connection to a standard power
pressure
200kPa
outlet and switched on and off as required. No closed head or loss
Max. ambient temperature
50oC
of prime protection is included with this model.
Max. water temperature
45oC
S T 2 5 - 0 3 M P
Min. water temperature
1oC
This is an automatic model, suitable for connection permanently to a
Single phase
1 x 230V 10%
power supply and will start according to pressure demand and stop
(supplied with 3 pin plug)
according to flow demands. This model has anti-cycling controls; it is
less likely to stop and start under low flow conditions. This model has
Frequency
50Hz
both closed head protection as well as loss of prime protection.
Protection (motor)
IP44
Suitable Fluids
Clean potable water of neutral ph
containing no solids or abrasives.

F E A T U R E S & B E N E F I T S
P U M P
M O N D I A L P R E S S
Single stage peripheral turbine
In-built check valve for easier
pump
installation.
* Higher operating pressures
* Less moving parts for
In-built spring & diaphragm shock
increased dependability
absorber
* No need for pressure tanks on
Corrosion resistant and stainless
many installations
steel pump components
* Longer life when pumping a
No adjustments for operation
variety of water qualities
* Constant non-cycling pump
* Reduced friction within the
operation
casing and impellers
Solid state electronic control
High quality purpose built 2 pole,
circuit with "tropicalization"
50Hz, IP55 TEFC pump motors,
treatment
designed to Davey's high quality
chnical References
* Longer life
specifications with
e * Permanent split capacitor
T
Loss of prime protection
starting for dependable and
* Saves pump from damage
frequent starting everytime
when water supplies run out
* In-built thermal overload for
long motor life and protection
against motor damage due to
NOTE:
jamming
Peripheral Turbine Pumps obtain
* High quality sealed bearings
their high performance by having
for longer life
close fitting parts. As a result these
* Fitted with a power lead and
types of pumps can be noisy and
three pin plug for ease of
require clean water. While the Silver
connection to power supply
Series ST25-03 model has been
* Resists ingress of dust & dirt
designed to reduce noise output,
you may need to consider noise
Hydraulic assembly attached to
reduction when you house your
motor bracket at 4 points with
pump and the use of a floating
oring seal to the cast iron pump
suction inside your rainwater tank.
casing
* Better sealing
* Longer service life
Designed with the serviceman
and installer in mind
* Quality components
throughout for long life and
easier maintenance
Every pump is performance and
pressure tested in the factory to
ensure quality and reliability
E L E C T R I C A L D A T A
Model number
ST25-03
Nominal rpm
2900
Volts / hertz / phase
220-240 / 50 / 1
IP rating
44
Amps (run)
2.2
kW (P1) / (P2)
0.51 / 0.34

M A T E R I A L S O F C O N S T R U C T I O N
P A R T
M A T E R I A L
P U M P
Impeller
304 stainless steel
Pump casing
Cast Iron
Pump casing inserts
Brass
Pump shaft
316 stainless steel
Seal ring (stationary)
Ceramic
Seal ring (rotating)
Carbon
Seal ring elastomer
Nitrile rubber
Seal spring
304 stainless steel
O-ring
Nitrile rubber
Motor shell
Aluminium
Motor shell finish
Polyester
M O N D I A L P R E S S
chnical References
Housing
Glass fibre reinforced polyamide PA 6 GF 30%
Diaphragm
EPDM
e
Spring
Steel C 72 UNI 3823
T
Flow valve
Brass OT 58 UNI5705/65
Check valve
Glass fibre reinforced polyamide PA 6 GF 30%
Control box
Self extinguishing thermoplastic resin VO
Printed circuit
Vetronite
D I M E N S I O N S
A
J
G
I
H
B
C
F
E
D
Inlet
Outlet
Net
Model
A
B
C
D
E
F
G
H
I
J
BSP
BSP
Weight kg
ST25-03
208
72
80
262
N/A
100
N/A
61
82
N/A
1"
1"
6.4
ST25-03MP
208
72
80
262
52
100
224
61
N/A
232
1"
1" 7.7
All dimensions in mm unless otherwise stated.

H Y D R A U L I C
P E R F O R M A N C E
TOTAL HEAD (m)
50
40
Davey Water Products Pty Ltd
Member of the GUD Group
35
ABN 18 066 327 517
30
ST25-03
AUSTRALIA
25
Head Office
6 Lakeview Drive,
20
Scoresby, Australia 3179
15
Ph:
+61 3 9730 9222
Fax:
+61 3 9753 4100
10
Website:
www.davey.com.au
5
Customer Service Centre
Ph:
1300 369 100
0
Fax:
1300 369 119
0
10
20
30
40
50
E-mail:
sales@davey.com.au
NEW ZEALAND
7 Rockridge Avenue,
G A R D E N W A T E R I N G
Penrose, Auckland 1061
F L O W R A T E G U I D E
Ph:
+64 9 570 9135
Fax:
+64 9 527 7654
The ST25-03 pump models can supply a
Website:
www.daveynz.co.nz
variety of garden watering applications, such
E-mail:
sales@daveynz.co.nz
as :-
Customer Service Centre
* A garden hose with a spray nozzle fitted
Ph:
0800 654 333
Or
* A garden spray system with up to 20
REST OF WORLD
microjet sprays
6 Lakeview Drive,
Scoresby, Australia 3179
Or
Ph:
+61 3 9730 9121
* A garden dripper system with up to 150
Fax:
+61 3 9753 4248
garden drippers (4 litre per hour drippers)
E-mail:
export@davey.com.au
Or
Website:
www.davey.com.au
* A small impact sprinkler
With the correct selection of pipework, valves
and automatic irrigation controller, the ST25-03
models can even be used to power a small
fully automated watering system.
Your garden watering professional can give
you the best advice on how to utilise the
valuable rainwater you have captured for the
most efficient usage in your garden.
This literature is not a complete guide to product usage. Further information is
available from your Davey dealer, Davey Customer Service Centre and from the
relevant product Installation and Operating Instructions. This data sheet must be
read in conjunction with the relevant product Installation and Operating Instructions
and all applicable statutory requirements. Product specifications may change
without notice.
H/O & MFG SCORESBY
H/O & MFG SCORESBY
(R) Davey is a registered trademark of Davey Products Pty Ltd.
Quality
Environment
TM Silver Series is a trademark of Davey Products Pty Ltd.
ISO 9001
ISO 14001
DPM247/5K/0708/IPM
(c) Davey Products Pty Ltd 2011.

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