CENTRA® RDS

Distributing and recirculating pre-purified water centrally

CENTRA®-RDS

The CENTRA-RDS is a storage and recirculating distribution system designed to work with other CENTRA or PURELAB systems or existing purification installations. In addition to storing and distributing pure water, the CENTRA-RDS maintains and improves water purity.

The CENTRA RDS stores, controls and distributes pre-purified water throughout a building, or a suite of laboratories, via a loop system.

  • Delivers up to 30 liters per minute of type I, type II and type III water from a distribution loop
  • Up to 18.2 MΩ.cm, type I, type II and type III water suitable for general and analytical applications
  • Bacterial specification <5 CFU/ml is maintained using a combination of technologies
  • Reliable continual supply of pure water using unique access controls and leak detection system with optional building management system (BMS) connectivity
  • Designed to operate with other ELGA LabWater systems or existing purification installations
  • Compact design provides more flexibility for new buildings and refurbishments.
  • Full service and validation support

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Product Specifications CENTRA RDS CENTRA RDS HVF/HFR
Inorganics (resistivity at 25°C) Up to 18.2MΩ-cm Up to 18.2MΩ-cm
Bacteria <5 CFU/ml <5 CFU/ml
Particles 0.2 μm filtration 0.2 μm filtration
Delivery flow rate 16 l/min 30 l/min
Composite Vent Filter
Composite Vent Filter
Part Number
LC173
Life expectancy
12 months
Impurities Removed
Impact of Overuse

Increase in airborne contaminants and potential recontamination of purified water

Pre-treatment pack render image
Pre-treatment
Part Number
LC159
Life expectancy
6 months
Impact of Overuse

Chlorine, chloramine and organics remain, increasing the burden on downstream consumables which will need more frequent and expensive changes

Reverse Osmosis
Reverse Osmosis Module
Part Number
LC161
Life expectancy
24-36 months
Impact of Overuse

High levels of organics and inorganics remain in the water reducing the functional life of the DI pack

Ultra-micron filter
Ultra-micron filter
Part Number
LC160
Life expectancy
14 months
Impact of Overuse

Reduced flow-rates and bacterial specification will not be maintained

UV Light render image
UV Light
Part Number
LC158
Life expectancy
12-18 months
Impact of Overuse

Uncontrolled bacterial contamination and TOC levels are not reduced

Learn More

To learn more about the benefits of the CENTRA Range or any other ELGA product, contact us and we’ll put you in touch with one of our Approved Partners and Lab Water Specialists.

Why Choose ELGA?

  • We have installed thousands of water purification systems globally, and our service engineers will apply their expertise to the installation, validation, and maintenance of your system
  • ELGA is trusted by labs around the World and we are renowned for excellent quality and reliability
  • Our dedicated local help desk is always available to provide advice, troubleshooting, and parts identification