Save on OPEX and CAPEX with iSave 21 Plus
iSave 21 Plus is a powerful ERD for smaller plants with a water capacity of 110 to 350 m3 per day. iSave 21 Plus is designed for high reliability, low maintenance and reduced lifecycle costs.
The highly efficient iSave 21 Plus saves up to 60 percent on the energy bill. With integrated pressure exchanger, booster pump and motor in one compact unit, the powerful ERD ensures optimum efficiency and short payback time when built into existing or new SWRO plants. Furthermore, iSave 21 Plus runs with long service intervals, up to 8,000 hours.
iSave 21 Plus is a powerful ERD for smaller plants with a water capacity of 110 to 350 m3 per day. iSave 21 Plus is designed for high reliability, low maintenance and reduced lifecycle costs.
The highly efficient iSave 21 Plus saves up to 60 percent on the energy bill. With integrated pressure exchanger, booster pump and motor in one compact unit, the powerful ERD ensures optimum efficiency and short payback time when built into existing or new SWRO plants. Furthermore, iSave 21 Plus runs with long service intervals, up to 8,000 hours.
iSave 21 Plus offers a pressure boost of up to 5 bar to ensure high reliability during daily operation.
The small footprint of iSave 21 Plus makes it ideal for applications where space is limited. The design of iSave 21 Plus allows both vertical and horizontal installation.
Besides the substantial savings during operation, iSave 21 Plus cuts CAPEX by reducing the required pump size and the number of pipes and components.
Features and benefits
iSave 21 Plus is a powerful choice for smaller SWRO plants with a water capacity of 110 to 350 m3 per day
iSave 21 Plus is designed for high reliability, low maintenance and reduced lifecycle costs
Max. outlet pressure: 83 barg/1,203 psig
Max. differential pressure: 5 barg/72 psig
Flow range: 6-22 m3/h; 26-97 gpm
Speed: 500-1,500 rpm
Press release
Danfoss launches a new generation of the popular iSave 21 ERD for smaller SWRO plants. Improved reliability, design flexibility and high efficiency are some of the features of the new iSave 21 Plus.
Documents
| Type | Name | Language | Valid for | Updated | Download | File type |
|---|---|---|---|---|---|---|
| Data sheet | iSave 21 Plus and iSave 40 Data sheet | Spanish, Castilian | Multiple | 25 May, 2018 | 2.9 MB | |
| Data sheet | iSave 21 Plus and iSave 40 Data sheet | English | Multiple | 12 Apr, 2023 | 4.2 MB | |
| Data sheet | iSave 21 Plus and iSave 40 Data sheet | German | Multiple | 25 May, 2018 | 3.4 MB | |
| Brochure | Superior energy recovery in SWRO | English | Multiple | 01 Jan, 2015 | 1.6 MB | |
| Brochure | Superior energy recovery in SWRO | English | United States | 18 May, 2018 | 1.1 MB | |
| Brochure | Superior energy recovery in SWRO | Spanish, Castilian | Multiple | 18 May, 2018 | 1.2 MB |
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