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OneFlow Models
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General Information
About OneFlow® Scale Control Systems
OneFlow® vs Conventional Softening
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Model Range Information
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[su_spacer size=”430″]OneFlow Series – Industrial High Flow
Models OF1465-50 and OF1665-75
OneFlow® Anti-Scale System
Connection Sizes: 2″ (50mm)
Flow Rates: From 30 gpm to 450 gpm (114 lpm to 1703 lpm)

OneFlow® is not a water softener or a chemical additive (like anti-scalants or sequestrants). It is a scale prevention device with proven third party laboratory test data and years of successful residential and commercial applications. OneFlow® is the one water treatment device that effectively provides scale protection and is a great alternative to water softening (ion exchange) or scale sequestering chemicals.
Features
[one_half]- Chemical-free scale prevention and protection – converts hardness minerals to harmless, inactive microscopic crystals making OneFlow® an effective alternative technology to a water softener for the prevention of scale due to water hardness
- Virtually maintenance free – No salt bags or other chemicals to constantly add
- No control valve, no electricity and no wastewater
- Uses environmentally friendly “green” technology
- Improves efficiency of all water using appliances – both hot** and cold
- Simple sizing & installation – all you need to know is pipe size and the peak flow rate
- Perfect system for towns or communities where water softeners are banned or restricted
- Manifold assemblies for easy installation of multi-tank, highflown applications (Can be operated in parallel for high flow applications.)
- OneFlow® does not remove minerals or add sodium to the water supply
- OneFlow® can be installed as pre-treatment to reverse osmosis (OneFlow® should be the last stage in treatment unless a point-of-use system is being used down stream.)
| Model | Maximum Flow Rate | Inlet Connection | Outlet Connection |
|---|---|---|---|
| OF1465-50 | 50 gpm (189.3 lpm) | 2" (50mm) PVC Union with 90° Socket | 2" (50mm) PVC Socket |
| OF1665-75 | 75 gpm (283.9 lpm) | 2" (50mm) PVC Union with 90° Socket | 2" (50mm) PVC Socket |
Replacement Media
OF1465RM Media should be replaced every 3 years
OF1665RM Media should be replaced every 3 years
Standards
Independent scientific testing has confirmed Template Assisted Crystallisation (TAC) technology provides scale reduction of over 95+%. Testing was conducted under protocol based on DVGW W512 test to access control of scale formation.
| Peak Flow Rates - Weights | ||||
|---|---|---|---|---|
| OF1465 | OF1665 | |||
| Dry Weight | 54 lbs | 31.8 kgs | 88 lbs | 30.8 kgs |
| Service Weight | 350 lbs | 158.8 kgs | 420 lbs | 190.6 kgs |
| Maximum Flow Rate*** | ||
|---|---|---|
| Models | gpm | lpm |
| OF1465-50 | 50 | 189.3 |
| OF1665-75 | 75 | 283.9 |
*** Exceeding maximum flow can reduce effectiveness and void warranty.
< 5 psi pressure drop @ Maximum Flow Rate
The information above shows flow rate data for our large single tanks (50gpm & 75gpm), high-flow applications with OneFlow utilize multiple tanks, plumbed in parallel, to meet flow rates from 100 gpm up to and above 1000gpm or more.
| Feed Water Chemistry Requirements | |
|---|---|
| pH | 6.5 to 8.5 |
| Hardness (maximum) | 75 grains (1300 ppm CaCO3) |
| Water Pressure | 15psi to 100psi (103 kPa to 6.9 bar) |
| Temperature | 40°F to 110°F (5°C to 43°C) |
| Chlorine | < 3ppm |
| Iron (maximum) | 0.3 mg/l |
| Manganese (maximum) | 0.05 mg/l |
| Copper | None allowed |
| Oil & H2S | None allowed |
| Polyphosphate | None allowed |
| Silica (maximum) | 10 ppm |
Water known to have heavy loads of dirt and debris may require pre-filtration prior to OneFlow.

| Dimensions | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Model | Dimensions | |||||||||
| A | B | C | D | E | ||||||
| in. | mm | in. | mm | in. | mm | in. | mm | in. | mm | |
| OF1465-50 | 17 | 432 | 14 | 356 | 79 | 2006 | 65 | 1651 | 101⁄4 | 260 |
| OF1665-75 | 17 | 432 | 16 | 406 | 79 | 2006 | 65 | 1651 | 101⁄2 | 267 |
The overall height and the height of the inlet fitting varies due to material variations and assembly tolerances. Please allow additional clearance above the tank for making connections.
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