Pressure boosting sets with 2 fixed speed pump.
*Sets with 4,5 and 6 pumps on request.
Depending on the reduction of the pressure in the system, the pressure switches determine the starting up of the pumps in sequence and the microprocessor alternates the starts.
Construction
– Automatic pressure boosting plant consisting of 2 horizontal multistage pumps complete with ball, non return valve on the suction side and ball valves on the delivery side.
Suction and delivery manifolds for boosting sets with 2 pumps:
– stainless steel AISI 304. Connections are located on the delivery manifold for the installation of vessels G1 connection.
Electrical control boards:
– with microprocessor for fixed speed pump units. Motor starting is D.O.L. up to 5,5 kW and Y/Δ for power rating 7,5 kW.
– with frequency converter for variable speed pump units. The unit includes one pressure gauge and three adjustable differential pressure switches or pressure transducer.
Applications
To supply water in civil and industrial buildings. As pressure boosting pump to increase water pressure when needed (follow local rules).
Motors
2-pole induction motors, 50 Hz, n ≈ 2900 rpm, suitable for operation with (frequency converter if required).
– Three-phase 230/400V ± 10% up to 3 kW; 400/690V ± 10% for 4 kW to 7,5 kW;
– Single-phase 230 V ± 10%, with thermal protector.
Insulation class F.
Protection IP 54.
Constructed in accordance with: IEC 60034.
Other voltages and frequencies on request.
Vessels on request
When installing the unit, connect in the delivery section to a diaphragm
or galvanised tank. The recommended sized are shown in the following page.
Special features on request
Pressure boosting sets with 4,5 and 6 pumps.
