Prevent scale / Preserve beneficial minerals
SOFT-NO-R® Commercial Units provide salt-free hardness conditioning for commercial buildings, equipment and water-distribution systems using FILTERSORB® SP3 nucleation-assisted crystallization technology.
The system transforms dissolved temporary-hardness components into stable microscopic calcium-carbonate crystals that remain suspended and pass through the water system. Unlike conventional ion-exchange softeners, SOFT-NO-R® does not remove calcium and magnesium or replace them with sodium. Its up-flow configuration operates without a control valve, electricity, salt, brine regeneration, backwashing or regeneration wastewater. Systems are available for individual installations and high-flow, parallel-tank configurations.
No salt / No brine / No electricity / No backwash
Commercial scale prevention.
Across multiple industries.
SOFT-NO-R® systems can protect compatible equipment and plumbing from scale associated with temporary carbonate hardness when inlet-water conditions meet the published requirements.
Hotels and Commercial Buildings
Centralized scale prevention for hot-water systems, fixtures and plumbing.
Restaurants and Food Service
Protection for coffee machines, dishwashers, ice machines and compatible kitchen equipment.
Heat Exchangers and Water Heaters
Helps reduce scale formation on heat-transfer surfaces.
Cooling-Tower Make-Up Water
Preconditioning for suitable commercial cooling applications following a complete water analysis.
Reverse-Osmosis Pre-Treatment
Scale-control support for appropriately designed membrane systems.
High-Flow Water Distribution
Parallel skid-mounted configurations for commercial and community-scale water demand.
Four operational advantages / Engineered into one system
Nucleation-Assisted Crystallization (NAC)
FILTERSORB® SP3 provides nucleation sites that promote the transformation of dissolved calcium bicarbonate into microscopic calcium-carbonate crystals.
Fluidized Media-Bed Operation (UP-FLOW)
Water travels down the internal riser tube and upward through the FILTERSORB® SP3 bed, helping distribute water across the media without a backwash cycle.
Regeneration-Free Scale Control (SALT-FREE)
The system operates without salt, brine tanks, regenerant chemicals, control valves or regeneration wastewater.
Scalable Commercial Configuration (HIGH-FLOW)
Individual and parallel pressure-vessel arrangements support published flow rates from 0.4 to 170 m³/h, subject to correct model selection and inlet-water conditions.
SOFT-NO-R® Commercial Models
Comprehensive flow rates, tank sizes, and media volumes across 1-inch, 2-inch, single high-flow, and parallel skid configurations.
1-Inch Commercial Units
| System | Flow (m³/h) | Tank Size | SP3 Media | Pressure |
|---|---|---|---|---|
| SOFT-NO-R 500 | 0.4–0.5 | 7 × 17 | 1.5 L | 1–10 bar |
| SOFT-NO-R 1000 | 0.8–1.0 | 8 × 35 | 3 L | 1–10 bar |
| SOFT-NO-R 1500 | 1.2–1.5 | 8 × 44 | 4.5 L | 1–10 bar |
| SOFT-NO-R 2000 | 1.6–2.0 | 10 × 35 | 6 L | 1–10 bar |
| SOFT-NO-R 2500 | 2.0–2.5 | 10 × 44 | 7.5 L | 1–10 bar |
| SOFT-NO-R 3000 | 2.4–3.0 | 10 × 54 | 9 L | 1–10 bar |
| SOFT-NO-R 5000 | 4.0–5.0 | 13 × 54 | 15 L | 1–10 bar |
2-Inch Commercial Units
| System | Flow (m³/h) | Tank Size | SP3 Media | Pressure |
|---|---|---|---|---|
| SOFT-NO-R 6000 | 4.8–6.0 | 14 × 65 | 18 L | 1–10 bar |
| SOFT-NO-R 8000 | 6.4–8.0 | 14 × 65* | 24 L | 1–10 bar |
| SOFT-NO-R 10000 | 8.0–10.0 | 16 × 65 | 30 L | 1–10 bar |
| SOFT-NO-R 12000 | 9.6–12.0 | 18 × 65 | 36 L | 1–10 bar |
Single High-Flow Units
| System | Flow (m³/h) | Tank Size | SP3 Media | Pressure |
|---|---|---|---|---|
| SOFT-NO-R 15000 | 12–15 | 21 × 60 | 45 L | 1–10 bar |
| SOFT-NO-R 20000 | 16–20 | 24 × 69 | 60 L | 1–10 bar |
| SOFT-NO-R 25000 | 20–25 | 24 × 69 | 75 L | 1–10 bar |
| SOFT-NO-R 30000 | 25–30 | 30 × 72 | 90 L | 1–10 bar |
Parallel High-Flow Units
| System | Flow (m³/h) | Tank Configuration | SP3 Media | Pressure |
|---|---|---|---|---|
| SOFT-NO-R 2 × 20000 | 35–40 | 2 × 24 × 69 | 2 × 60 L | 1–10 bar |
| SOFT-NO-R 2 × 25000 | 45–50 | 2 × 24 × 69 | 2 × 75 L | 1–10 bar |
| SOFT-NO-R 2 × 30000 | 50–60 | 2 × 30 × 72 | 2 × 90 L | 1–10 bar |
| SOFT-NO-R 2 × 35000 | 60–70 | 2 × 30 × 72 | 2 × 105 L | 1–10 bar |
| SOFT-NO-R 2 × 40000 | 70–80 | 2 × 30 × 72 | 2 × 120 L | 1–10 bar |
| SOFT-NO-R 2 × 50000 | 90–100 | 2 × 36 × 72 | 2 × 150 L | 1–10 bar |
| SOFT-NO-R 2 × 60000 | 110–120 | 2 × 36 × 72 | 2 × 180 L | 1–10 bar |
| SOFT-NO-R 2 × 65000 | 120–130 | 2 × 42 × 78 | 2 × 195 L | 1–10 bar |
| SOFT-NO-R 2 × 85000 | 160–170 | 2 × 48 × 82 | 2 × 255 L | 1–10 bar |
Science behind salt-free scale prevention
FILTERSORB® SP3 conditions temporary carbonate hardness through heterogeneous nucleation and crystallization rather than ion exchange or mineral removal.
- Nucleation Sites – The media surface provides sites where calcium-carbonate crystal formation can begin under suitable water-chemistry conditions.
- Crystal Growth and Release – Microscopic crystals form at the bead surface, grow and are released into the flowing water instead of remaining attached to the media.
- Non-Adherent Mineral Form – Conditioned calcium carbonate remains suspended and passes through the system, reducing its tendency to form hard deposits on downstream surfaces.
- Mineral Preservation – Calcium and magnesium remain in the water because the process does not remove hardness ions through conventional sodium-based ion exchange.
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Frequently
Asked Questions
Important information about system selection, operation, water requirements and maintenance.
Contact SupportSelect Your SOFT-NO-R® Commercial Model
Determine the recommended SOFT-NO-R® commercial unit based on your peak continuous water flow rate (m³/h).
System Recommendation
Get a commercial scale-prevention solution
It all starts with your water analysis and peak-flow demand.
Send us your water hardness, peak flow requirements (m³/h), temperature and application details (hotel, restaurant, cooling tower, heat exchanger). Our specialists will help evaluate SOFT-NO-R® Commercial Units for your facility.
