Manual
- 18 -
Stuart Turner reserve the right to amend the specification in line with its policy of
continuous development of its products.
Note: For information on other voltages/frequencies which are not shown, consult any
supplementary instruction sheet supplied, or the rating label attached to the
pump.
*Note: Max working pressure is the maximum pressure that can be applied to the
pump internal casing under any installation conditions.
**Note: In normal circumstances the temperature of stored water should never exceed
65°C. A stored water temperature of 60°C is considered sufficient to meet all
normal requirements and will minimize deposition of scale in hard water areas.
Maximum permissible water temperature 65°C.
7.11 Noise: The equivalent continuous A-weighted sound pressure level at a distance
of 1 metre from the pump does not exceed 70 dB(A).
7 TECHNICAL SPECIFICATION
Model
U1.5 bar
Twin
U2.0 bar
Twin
U3.0 bar
Twin
U4.0 bar
Twin
U4.5 bar
Twin
Electrical
Power supply
Volts/phase freqency
230/1/50 230/1/50 230/1/50 230/1/50 230/1/50
Motor enclosure IPX4 IPX4 IPX4 IPX4 IPX4
Type of motor Induction Induction Induction Induction Induction
Max. power consumption 355 Watts 435 Watts 655 Watts 875 Watts 1135 Watts
Full load current 1.5 Amps 1.9 Amps 2.9 Amps 3.9 Amps 5.1 Amps
Rating
Continuous
(S1) @ 9 l/min
& above
(Both ends
pumping)
Continuous
(S1) @ 9 l/min
& above
(Both ends
pumping)
Continuous
(S1) @ 9 l/min
& above
(Both ends
pumping)
Continuous
(S1) @ 9 l/min
& above
(Both ends
pumping)
Continuous
(S1) @ 9 l/min
& above
(Both ends
pumping)
Max. No Starts per hour 60 60 60 60 60
Mechanical
Max inlet head 8 metres 8 metres 8 metres 12 metres 12 metres
Max head (closed valve) 15 metres 20 metres 30 metres 40 metres 45 metres
Max working pressure*
600 kPa
(6.0 bar)
600 kPa
(6.0 bar)
600 kPa
(6.0 bar)
600 kPa
(6.0 bar)
600 kPa
(6.0 bar)
Max ambient air temperature 40
o
C 40
o
C 40
o
C 40
o
C 40
o
C
Pressure vessel air pre-charge
90 kPa (0.9
bar) (13 psi)
90 kPa (0.9
bar) (13 psi)
90 kPa (0.9
bar) (13 psi)
130 kPa (1.3
bar) (18.5 psi)
130 kPa (1.3
bar) (18.5 psi)
Max water temperature** 65
o
C 65
o
C 65
o
C 65
o
C 65
o
C
Min water temperature 4
o
C4
o
C4
o
C4
o
C4
o
C
Dimensions
Length 265 mm 265 mm 265 mm 300 mm 310 mm
Width 162 mm 162 mm 162 mm 162 mm 162 mm
Height (excluding flexible hoses) 243 mm 243 mm 243 mm 243 mm 243 mm
Gross Weight (packed) 9.2 Kg 9.2 Kg 10.4 Kg 12.5 Kg 13.3 Kg