In the Mockritz waterworks (at 04860 Torgau), the pump system of the pure water pumps of the north and south rings is to be renewed. The pumps for the north and south rings are allocated in batches. For both pump systems, only pumps from one manufacturer and one series are to be offered.

All materials in contact with drinking water must comply with the KTW and DVGW guidelines and be approved for use in the drinking water sector.

Four differently dimensioned single-stage, axially split spiral housing pumps with horizontal shaft position are required for the north ring.

Nordring - Lot 1

AP011: 1.250 m³/h, 66.0 m, 315 kW, 570 A, IE4

AP012: 300 m³/h, 69.0 m, 90 kW, 152 A, IE4

AP013: 400 m³/h, 73.5 m, 110 kW, 183 A, IE4

AP014: 1.650 m³/h, 71.5 m, 400 kW, 700 A, IE4

V.g. Information per pump for: Flow rate and pressure height at the operating point (at inlet pressure from 1.0m to 6.0m); Motor: max. rated power, max. rated current, energy efficiency class

Acceptance standard according to ISO 9906: Pumps AP011 to AP014 according to 1U.

The pumps must be delivered, lifted/mounted/adjusted to the existing platform and fine adjustments (external) made after installation of the pipelines.

For the south ring, three equal and a smaller multi-stage spiral housing pumps with horizontal shaft position are required.

Südring - Lot 2

AP021-023: 560 m³/h, 156.0 m, 355 kW, 640 A, IE4

AP024: 400 m³/h, 140.0 m, 200 kW, 345 A, IE4

V.g. Information per pump for: Flow rate and pressure height at the operating point (at inlet pressure from 1.0m to 6.0m); Motor: max. rated power, max. rated current, energy efficiency class

Acceptance standard according to ISO 9906: Pumps AP021 to AP024 according to 1B

The pumps must be delivered, lifted/mounted/adjusted to the existing platform and fine adjustments (external) made after installation of the pipelines.