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Categories
- Countertop Filters
- Stainless Steel Systems
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- Single Undersink
- Twin Undersink
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- Reverse Osmosis
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Reverse Osmosis
Subcategories
Laundry Wall Mount Reverse Osmosis Systems
The laundry wall mount reverse osmosis systems offered by PSI Water Filters are ideal for those who are looking for a wall mount reverse osmosis water filter system.
Our laundry wall mount reverse osmosis systems range from 3 stage to 4 stage water filter systems with 3 to 10 years warranty. These quality reverse osmosis wall mount laundry systems have the genuine Dow Filmtec reverse osmosis membranes and have quality pre and post filters.If you need any help choosing the right laundry wall mount reverse osmosis unit, give our Water Filter Experts a call on 1300 305 579.
Undersink Reverse Osmosis Systems
The PSI Water Filters undersink reverse osmosis systems work under the sink, making them ideal for people who want a reverse osmosis system that can work quietly and out of sight.
PSI Water Filters supply only quality water filter systems with most systems having 10 years warranty.
The premium range of Undersink Reverse Osmosis systems have an exclusive membrane flushing valve. The storage tanks are stainless steel anywhere the water touches the tank. Large range of optional faucets (taps).
If you need any help choosing the right undersink reverse osmosis system, give our Water Filter Experts a call on 1300 305 579.
Countertop Reverse Osmosis Systems
The PSI Water Filters countertop reverse osmosis systems do not require much space and can operate efficiently and quietly making them ideal for people who have limited space.
The Countertop Reverse Osmosis system is connected to the sink tap via the threaded areator with chromed diverter supplied.
Fastest Countertop Reverse Osmosis on the market with a 1 to 1 waste ratio at 350kpa pressure.
If you need any help choosing the right countertop reverse osmosis system, give our Water Filter Experts a call on 1300 305 579.
Commercial Reverse Osmosis Systems
The PSI Water Filters large reverse osmosis systems are primarily commercial reverse osmosis water filter systems. These are very large reverse osmosis water filter systems that range in weight from 20 to 100 kg(kilogram). These large reverse osmosis water filter systems are ideal for use in an industrial application, where the demand for clean filtered water can be around the 1,000 GPD (gallons per day) to 12,000 GPD mark.
These large reverse osmosis water filter units from PSI Water Filters are supplied with a concise and easy to follow installation booklet that will help you install your water filter system with ease.
We at PSI Water Filters provide various membranes ranging from our domestic membrane range to our commercial membrane range. If you are looking for domestic/home use reverse osmosis water filter systems, please browse through our laundry wall mount reverse osmosis range, countertop reverse osmosis range or our undersink reverse osmosis range.
These large reverse osmosis units include: Stainless Steel Frame, 20 Inch Prefilters x 3 (some models), Stainless Steel Membrane, Vessel Inlet & Flush Solenoid, Valve Source, RO Gauge Inlet & Concentration Flow Meter, Auto Flush Controller, and Pressure Regulator
One of the key advantages of buying a large reverse osmosis water filter unit is that these commercial/industrial strength reverse osmosis systems are capable of handling very large amounts of water on a daily basis. They can also be used for a wide range of applications in the commercial or industrial sector.
As these large reverse osmosis water filter systems are very large and heavy, they are currently not available for ordering through our site due to them having to be delivered via a special delivery method with an arranged delivery time & day.
If you have enquiries about this please give us a call on 1300 305 579.
If you need any help choosing the right commercial reverse osmosis system, give our Water Filter Experts a call on 1300 305 579.
Membranes
We at PSI Water Filters stock an extensive range of membranes ranging from domestic home membranes to commercial membranes. Whether you are after a membrane for your undersink reverse osmosis water system or your laundry wall mount reverse osmosis system, you can be sure that we will have a membrane that will suit your water filter system.
The membranes available at PSI Water Filters have a range of flow rates ranging from a 36 GPD (gallons per day) to 9,000 GPD (gallons per day). We also stock sea water type membranes which are suitable if you have a sea water system. Commercial sea water reverse osmosis membranes will help filter the sea water into pure filtered drinking water.
If you need any help choosing the right reverse osmosis membrane, give our experts a call on 1300 305 579.
Reverse Osmosis Cartridge Deals
Here you will find PSI Filters best reverse osmosis water filter cartridge deals. We update this list regularily, so check back soon if you dont find what you need. Otherwise if you would like to find out if we have any other deals on cartridges and water filters, feel free to give us a call on 1800 305 579.
Reverse Osmosis Parts
The reverse osmosis parts category includes many reverse osmosis parts such as important valves, pressure switches, reverse osmosis storage tanks and other imperative fittings.
- Not all parts that we stock are listed here.
Whether you are looking for that right fitting, reverse osmosis stainless steel drain clamp or other reverse osmosis parts, please browse through this category to find the item you are looking for. If you can’t find the item you are looking for, please give us a call on 1300 305 579 and we will be pleased to help you with your enquiry.
If you need any help choosing the valve or reverse osmosis part, give our experts a call on 1300 305 579.
Reverse Osmosis Water Filter Systems including Wall mount laundry reverse osmosis, Undersink reverse osmosis, Countertop reverse osmosis, commerical reverse osmosis, all with lower waste ratios.
Countertop reverse osmosis systems. These are convenient for the person that wants a system in the kitchen, is low in cost and attaches to the aerator th...
Reverse Osmosis Water Filter Systems including Wall mount laundry reverse osmosis, Undersink reverse osmosis, Countertop reverse osmosis, commerical reverse osmosis, all with lower waste ratios.
Countertop reverse osmosis systems. These are convenient for the person that wants a system in the kitchen, is low in cost and attaches to the aerator thread of their kitchen spout or tap. Suitable for persons that rent as it will leave no marks after you leave. The countertop system will produce water at around 350ml per minute.
Laundry reverse osmosis is normally fitted in the laundry as an easy way of obtaining a convenient water source by way of the cold water washing machine tap via a supplied adapter which doesn’t interfere with the washing machine operation. To operate you simply turn on the supplied ball valve and the systems will make RO water at about a cup of water a minute, you will need to collect the water into a container of some type for use elsewhere.
Undersink reverse osmosis has the convenience of being hidden away in the cupboards under or near the sink and supplying water to a dedicated tap (faucet) fitted through the sink or bench top. Undersink RO’s have a pressurised storage tank and deliver the water quickly at around 3 to 4 litres per minute depending on the mains water pressure. This type of system doesn’t produce the water any faster than the other types but is totally automatic in operation and keeps it’s storage tank in a constant state of top-up. When you turn the faucet on the sink on it comes out quickly from the storage tank, the system turns it’s self on, replaces what you took from the tank and when the tank is full again it automatically turns it’s self off again, this is done with out power as it uses the pressure in the mains to operate a system of check valves, piston and diaphragms to turn the water on and off to the system.
Reverse Osmosis (RO) is a process where water is treated using a semipermeable membrane at pressure. Reverse osmosis is osmosis in reverse. Osmosis is most mostly observed in plants. If you don't water your plants they die. A plant cell is a semipermeable (water flows through the membrane but contaminates and salt don't) membrane with the living part on the inside in a salty/sap solution. Water is drawn into the cell from the environment because pure water will move across a semipermeable membrane. This is how water is drawn in from the soil when you water your plants. If you salt your plants (over fertilize or spill some salt on the grass), the plant will wilt because the salt concentration on the outside of the cell is higher than the inside and water then moves across the membrane from the inside to the outside. Reverse osmosis is reversed because contaminated water (salty) is drawn naturally towards clean water so it is placed under pressure to obtain the purified water and reject the contaminated. If this sounds a bit strange consider that hot water is naturally drawn towards cold water not the other way around.
Osmosis is a natural process and reverse osmosis was used long ago in the Middle East. Contaminated water was placed into goats bladders that had been stitched together to create a long type of sock shape and the contaminated water put within. The water slowly dripped through the bladders and purified the water making it drinkable.
Here at PSI Water Filters we sell many types of filter systems but consider reverse osmosis the best as it will remove the most contaminates possible. We do read some web sites around that try to discredit reverse osmosis as these companies are not selling a wide Varity of different systems and even go as far as creating what appears to be information web sites and discrediting any process that differs from what they are selling even going as far as comparisons from different brands of the same type of systems but only choosing models that don’t compare favourably with theirs and excluding manufacturers that do.
The modern reverse osmosis systems don’t use anything like goats bladders as the membrane material, a modern reverse osmosis membrane is made from what is called Thin Film Composites (TFC) also called polyamide (PA) membranes. These membranes filter the water at around 0.0005 microns, which is about ½ a millionth of a millimetre, it is so fine that it can strain salt out of the water. The RO membranes work down to the molecule structure of water (H2O), if a molecule of water has an extra atom attached such as a carbon atom the molecule is too large to fit through the membrane and is rejected and goes down the contaminated water line which is commonly referred to as the waste line and expelled from the system. Pure water molecules which are (H2O) are small enough to slip through the membrane (leaving behind the contaminated water molecules) and into the RO product line for you to use.
Substance | % rejection | Substance | % rejection |
Aluminium | 96-98 | Fluoride | 96-98 |
Sodium | 92-98 | Bromide | 90-95 |
Magnesium | 93-98 | Cyanide | 93-97 |
Potassium | 92-96 | Sulfate | 96-99 |
Calcium | 93-99 | Thiosulfate | 96-98 |
Manganese | 96-98 | Silicate | 92-95 |
Iron | 96-98 | Silica | 95-98 |
Copper | 96-99 | Nitrate | 93-98 |
Nickel | 96-99 | Polyphosphate | 96-98 |
Cadmium | 93-97 | Orthophosphate | 96-98 |
Silver | 93-96 | Chromate | 90-95 |
Zinc | 97-99 | Bacteria | >99 |
Mercury | 94-97 | Lead | 96-98 |
Hardness Ca&Mg | 93-97 | Arsenic | 90-98 |
Radioactivity | 93-97 | Medications | 97-99 |
Chloride | 92-98 | Chlorofoam | 71-90 |
Ammonium | 85-90 | Tin (11) Sulfate | 83-87 |
PCB’s | 97-99 | PBA’s | 96-98 |
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