SnowPure Electropure™ EDI — EXL Series
High-flow electrodeionization modules for continuous ultrapure water polishing — no chemical regeneration, up to 10 m³/h per module (EXL-850; 4.5 to 8 m³/h for EXL-550 to EXL-750), up to 99% recovery with concentrate returned to the RO inlet (about 90% if concentrate goes to drain).
Key specifications
EXL-550
- 1-Pass RO + GTM Design Flow
- 3.0 m³/h (12 gpm)
- 2-Pass RO Design Flow
- 4.0 m³/h (16 gpm)
- Max Recommended Flow
- 4.5 m³/h (20 gpm)
- Recovery
- Up to 99% (concentrate returned pre-RO); may be 90% if concentrate is sent to drain
- Max Pressure
- 7 bar (100 psi)
- Voltage (rec./max.)
- 250 / 300 VDC
- Dimensions (W×H×D)
- 314 × 606 × 244 mm
- Operating Weight
- 68 kg (149 lb)
- Shipping Weight
- 73 kg (160 lb)
EXL-650
- 1-Pass RO + GTM Design Flow
- 4.0 m³/h (18 gpm)
- 2-Pass RO Design Flow
- 5.0 m³/h (22 gpm)
- Max Recommended Flow
- 6.0 m³/h (26 gpm)
- Recovery
- Up to 99% (concentrate returned pre-RO); may be 90% if concentrate is sent to drain
- Max Pressure
- 7 bar (100 psi)
- Voltage (rec./max.)
- 350 / 450 VDC
- Dimensions (W×H×D)
- 314 × 606 × 315 mm
- Operating Weight
- 83 kg (183 lb)
- Shipping Weight
- 88 kg (194 lb)
EXL-750
- 1-Pass RO + GTM Design Flow
- 6.0 m³/h (25 gpm)
- 2-Pass RO Design Flow
- 7.0 m³/h (30 gpm)
- Max Recommended Flow
- 8.0 m³/h (35 gpm)
- Recovery
- Up to 99% (concentrate returned pre-RO); may be 90% if concentrate is sent to drain
- Max Pressure
- 7 bar (100 psi)
- Voltage (rec./max.)
- 450 / 550 VDC
- Dimensions (W×H×D)
- 314 × 606 × 386 mm
- Operating Weight
- 97 kg (214 lb)
- Shipping Weight
- 102 kg (225 lb)
EXL-850
- 1-Pass RO + GTM Design Flow
- 7.5 m³/h (32 gpm)
- 2-Pass RO Design Flow
- 8.5 m³/h (38 gpm)
- Max Recommended Flow
- 10 m³/h (44 gpm)
- Recovery
- Up to 99% (concentrate returned pre-RO); may be 90% if concentrate is sent to drain
- Max Pressure
- 7 bar (100 psi)
- Voltage (rec./max.)
- 550 / 600 VDC
- Dimensions (W×H×D)
- 314 × 606 × 457 mm
- Operating Weight
- 114 kg (252 lb)
- Shipping Weight
- 119 kg (263 lb)
Electropure™ Electrodeionization Technology
Electrodeionization (EDI) continuously polishes RO permeate to ultrapure quality by using a DC electric field to drive ion migration through Excellion™ ion-exchange membranes, so the resin is regenerated electrically with no regeneration chemicals. The EXL series offers four module sizes scaled from 4.5 to 10 m³/h, all sharing the same plate-and-frame architecture, Excellion™ membranes, and permanent O-ring seals. HTS variants (EXL-510/610/710/810-HTS) support hot-water sanitization to 85 °C for pharmaceutical applications.
All EXL models
- Technology
- Plate-and-frame EDI module — thin-cell, thin-concentrate
- Membranes
- Patented Excellion™ IX (cation I-100 + anion I-200)
- Sealing
- Permanent O-ring seals — no torqueing required
- Feedwater Conductivity Equivalent (FCE), recommended
- <9 µS/cm
- Feedwater Conductivity Equivalent (FCE), maximum
- <43 µS/cm
- Operating Temperature
- 10–35 °C (max. 45 °C)
- HTS Temperature
- Up to 85 °C × 100+ cycles (HTS variants)
- Maximum Pressure
- 7 bar (100 psi)
- Recovery
- Up to 99% (concentrate returned pre-RO); may be 90% if concentrate is sent to drain
- Connections
- +GF+ unions; Tri-Clamp sanitary option
- Compatibility
- SnowPure states the EXL has the same physical profile as E-Cell MK3 and Ionpure LX modules
- Longest Observed Module Life
- 15 years (SnowPure; product line not stated)
- Flow Direction
- Upward (concentrate and feed)
- Origin
- San Clemente, CA, USA
Best for
Key product advantages
- No regeneration chemicals — continuous operation without acid or caustic
- Patented Excellion™ membranes with 'never-leak' permanent O-ring seals
- Thin-concentrate “non-scaling” technology (SnowPure’s datasheet term); scale risk is managed through the feed hardness limit, which SnowPure prints per document and ties to the recovery route: below 1.0 ppm at 90% recovery (manual, generic sheet, installation checklist), below 0.5 recommended / below 1 maximum ppm on the EXL sheets with no recovery named; none printed at 95% or 99%
- Up to 99% water recovery with concentrate returned to the RO inlet (about 90% if concentrate goes to drain), with modular capacity expansion
- SnowPure states the EXL has the same physical profile as E-Cell MK3 and Ionpure LX modules
- SnowPure lists separate EXL-HTS models for hot-water sanitisation to 85 °C; they are not on this record
- SnowPure reports a longest observed module life of 15 years (product line not stated) and cites more than 25 years of proven performance on its product page
A closer look
Continue exploring the catalog
Vontron ULP Series RO Membrane Element
Ultra-low-pressure RO elements for residential, hospital and laboratory water purifying devices — 50 to 1,000 GPD across the series (Vontron household product table).
Litree PVC-Alloy Hollow-Fibre UF Module
Inside-out PVC-alloy hollow-fibre UF modules listed by Litree under its Industry range — 0.01 µm pore size, three module sizes from 10 m² to 74 m² membrane area.