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UO-S7 7000 KR/FU

5110010236_0.jpg
5110010236_0.jpg

UO-S7 7000 KR/FU

Item No. 5110010236
Concentrate-staged reverse osmosis units with high recovery up to 90 % for desalination of softened water with a salinity of up to 1,000 mg/l. Energy savings of 30 - 50 % due to the design of the centrifugal pump with variable-speed drive (VSD = FU). The PLC Siemens S7-1200 allows visualization of
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Description

Concentrate-staged reverse osmosis units with high recovery up to 90 % for desalination of softened water with a salinity of up to 1,000 mg/l. Energy savings of 30 - 50 % due to the design of the centrifugal pump with variable-speed drive (VSD = FU).

The PLC Siemens S7-1200 allows visualization of the plant as well as optimal control and evaluation of the plant operation, optional data transfer via interfaces, remote access and subsequent control extensions are possible. Extension or adaptation of the controller possible (on request at extra cost).

General
Features
  • Low water consumption thanks to high permeate recovery up to 90%
  • Special membrane selection for optimal permeate quality
  • Incl. concentrate flushing unit (KSE) & connection kit for cleaning unit (ARA)
  • Optional: Profinet, Profibus, Modbus RTU/TCP and BACnet interfaces
  • Optional: automatic concentrate rinsing with permeate (KVP)
Advantages

Advantages of RO units with VSD (FU)



  • Energy saving of 30 - 50 % compared to RO units without VSD

  • Payback period for VSD usually less than one year

  • Permeate production constant independent of operating pressure (permeate constant control PKR)

  • Protection of the unit due to soft start

  • Particularly quiet operation
Footnotes

The unit is designed for a maximum TDS of 1,000 mg/l, a max. SiO2-concentration of 10 mg/l, a water temperature of 15°C, a maximum colloidal index of 3 and no permeate back pressure. Under these conditions, the unit still reaches design permeate flow after three years of operation. The permeate recovery depends on the raw water quality and the type of pre-treatment.
Specifications
Width 3920 mm
Height 1830 mm
Depth 790 mm
Length
Weight 770 kg
Valve
Vessel
Resin
Type Filter Media
Volume Filter Media
Exchange Capacity
Salt Consumption
Water Consumption
Flows
Permeate Flow 7000 l/h
Membranes 4040 x 6
8040 x 6
Recovery 85 %
Feedwater Connection DN40
Permeate/Concentrate Connection DN25/40
Voltage 3 x 380-480V / 50-60Hz
Motor Power 7.5 Kw
Minimal Salt Rejection 98.5 %
Pre-fusing 25 A
Conductivity Range KR-permeate recirculation 20 - 2000 μS/cm
Permeate 2-200 μS/cm
Feedwater Pressure min./max. 2/4 bar
Feedwater Temperature min./max. 5/25 °c
Ambient Temperature Max. 40°c
pH Range 3 - 11

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