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3. Mounting of the dosing pumps
The SP 1500 is a peristaltic pump in which liquid is transported by repeatedly kneading the pump
hose. It can be used whereever small amounts of liquid have to be pumped. In the aquarium, the
pump can be used for two purposes:
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As feed pump for low flow reactors, like Nitratereductors, Calciumreactors or Phosphate Filters.
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As a dosing pump for fertilizers in fresh water aquariums and for trace elements, calcium and
bicarbonates in salt water aquariums.
The dosing pump is supplied with a long lasting synchronous motor and the pump hose is made of
Santoprene®, a specially developed material resistant to many chemicals and with a very long life
– typically in excess of 3 million compressions.
Important note:
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The pump must be operated on the correct voltage (see type label).
Technical Data
Model
Power supply:
Power consumption:
Maximum flow:
Connections:
Motor:
Speed:
Motor life:
Pump hose life:
Continuous running possible:
Connections
The pump is typically connected with aquarium air hose (diameter 6 mm). However, it should be
ascertained that the hose is suitable for the chemical characteristics of the liquid being pumped.
4. Installation
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The pump may only be operated in the dry, it is not designed for submersed use. It should be
securely mounted using the keyhole slots provided in a dry place.
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The pump is self-priming and should be mounted above the water level of the liquid storage
tank (see Fig. 2).
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The outlet should always be positioned above the aquarium or sump. If the pump stops with
the drive axle in the horizontal position then the pump will not act as a non-return valve. The
air gap between outlet hose and water prevents aquarium water being syphoned back into the
liquid storage tank.
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If small amounts of water need to be precisely dosed, then a non-return valve should be placed
in the outlet hose of the pump. This prevents the pressure tube emptying and ensures that the
same volume is dosed during each operating cycle.
Dosing pump SP 1500
230 V / 50 Hz
4,5 watts
1,5 litres/hour - 25 ml/min. – 0.4 gph
6/4 mm hose ( ¼")
synchronous
10 rpm
>10,000 hrs
>3 Million turns
Yes
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