Reverse Osmosis Membranes catalogue

INDEX 

Membranes ............................................................................................................................................................. 3

Membranes 

Code: 090001 

Filmtec membrane TFC TW30 1812 - 50, 75, 100 GPD (25) 

Variants 

Code 

Description 

090001-01 Filmtec membrane TFC TW30 1812 - 50 GPD (25) 



Code: 090005 

Greenfilter membrane TFC 1812/2012/3012/3013 - 50, 75, 100, 

150, 180, 300, 400 GPD 

Variants 

Code 

Description 

090005-50 Greenfilter membrane TFC 1812 - 50 GPD (25) 







Definition 

Reverse osmosis process is based on nature and has been used for more than 30 years. These semipermeable 

membranes only allow nearly pure water to flow through, by removing excessive salts during the 

process. Likewise, it also rejects bacteria and micro-organisms, heavy metals, virus. 

Type of membrane: Spiral wound 

Membrane consists of 3 layers 

1. Cross linked fully aromatic polyamide 0.3 µm. 

2. Polysulfone 45 µm . 

3. Non woven fabric polyester 100 µm. 

13 February 2018 3/19

Spacer: EPDM 

SPECIFICATIONS OF PRODUCT 

Membrane 50 GPD Cod. 090005-50 

Active surface: 0,37m²(4ft²) * Pressure 4,5bar(65psi) * Production flow(N1) 9,45l/h (60gpd) * Salts 

rejection(N2) 97% * Recovery 15% 








Active surface: x,xxm²(xft²) * Pressure 3,5bar(50psi) * Production flow(N1) 23,66 l/h(150gpd) * Salts 

rejection(N2) 97,5% * Recovery del 15% 


Active surface: x,xxm²(xft²) * Pressure 8bar(116psi) * Production flow(N1) 45,83 l/h(300gpd) * Salts 

rejection(N2) 93% * Recovery del 15% 


Active surface: x,xxm²(xft²) * Pressure x,xbar(xxpsi) * Production flow(N1) xx,xx l/h(300gpd) * Salts 



Active surface: x,xxm²(xft²) * Pressure 4,5bar(65psi) * Production flow(N1) 1.512 l/d(400gpd) * Salts 


(N1) Permeated flow and salt rejection based on the following test conditions: 500ppm NaCl, 25ºC (77ºF), 

15% recovery 

and specified applied pressure. Permeated flows for individual elements may vary +/- 15%. 

(N2) Minimum SALT rejection is 95% 

OPERATING LIMITS OF 50, 75, 100 GPD 

* Max. temperature 45ºC (113ºF) 

* Max. pressure 21 bar (300 psi) 

* Max. P for element 1 bar (15 psi) 

* Max feed flow rate 7,6 lpm (2.0 gpm) 

* pH range, continuous operation 3 - 10 

* pH range, short-term cleaning (30 min) 2 - 11 

* Max. Feed SDI 5 

* Free Chlorine tolerance¹

• All membranes are tested strictly and vacuum sealed in a bag containing a solution of sodium-bisulphite 

and propylene glycol to prevent biological growth in short-term storage and transport. 

• It is suggested that firs hour of pure water to be rejected. 

• Keep elements moist after initial wetting. 

• To prevent biological growth during prolonged system shutdown, it is recommended that membrane 

elements be immersed in a preservative solution. 

• The membrane shows some resistance to short-term attack by chlorine (hypochlorite). Continuous 

exposure, however, may damage the membrane and should be avoided. 

• The customer is fully responsible for effects of incompatible chemicals and lubricants on elements. 

• Use just glycerine as a lubricant if is needed. 

• The use of this product in and of itself does not necessarily guarantee the removal of cysts and 

pathogens from water. Effective cyst and pathogen reduction is dependent of the complete system design 

and on the operation and maintenance of the system. 

Code: 090018 

Greenfilter encapsulated membranes TFC 50, 75, 100 GPD 

Variants 

Code 

Description 

090018-01 Greenfilter encapsulated membrane TFC 50 GPD 


090018-03 Greenfilter encapsulated membrane TFC 75 GPD Filmtec 


High efficiency, disposable encapsulate membranes. 

Change complete of vessel + membrane for maximum hygiene! 

These semi-permeable membranes only allow nearly pure water to flow through, by removing excessive 

salts during the process. Likewise, it also rejects bacteria and micro-organisms, heavy metals, virus. 

Type of membrane: Spiral wound 

Membrane consists of 3 layers 

1. Cross linked fully aromatic polyamide 0.3 µm. 

2. Polysulfone 45 µm . 

3. Non woven fabric polyester 100 µm. 

Spacer: EPDM 

SPECIFICATIONS OF PRODUCT 







Membrane 75 GPD Cod. 090018-03 Filmtec® 

13 February 2018 5/19






(N1) Permeated flow and salt rejection based on the following test conditions: 500ppm NaCl, 25ºC (77ºF), 

15% recovery 

and specified applied pressure. Permeated flows for individual elements may vary +/- 15%. 

(N2) Minimum SALT rejection is 95% 

Connections: 

* Inlet water: O.D. stem Ø 3/8" 

* Outlet permeate: O.D. stem Ø 1/4" 

* Drain: O.D. stem Ø 1/4" 

OPERATING LIMITS OF 50, 75, 100 GPD 

* Max. temperature 45ºC (113ºF) 

* Max. pressure 21 bar (300 psi) 

* Max. P for element 1 bar (15 psi) 

* Max feed flow rate 7,6 lpm (2.0 gpm) 

* pH range, continuous operation 3 - 10 

* pH range, short-term cleaning (30 min) 2 - 11 

* Max. Feed SDI 5 

* Free Chlorine tolerance¹

Permeate flow rate (+/-20%) 50: 50 Gpd (190 lt./day) 





Minimum salt rejection: 96% 

Stabilized salt rejection: 98% 

Operating pressure test: 

65 PSI 

TDS feed test: 

Tap Water (from 450 to 700 ppm) 

Water temperature test: 

77°F. (25°C.) 

Recovery test: 15% 

Max. operating pressure: 

125 PSIG / 0.86 MPa (8,6 Bar) 

Max. feed SDI: 

5 (15 min) 

Max. feed flow rate: 

2 gal./min. (7,57 lt./min.) 

Chlorine tolerance: 

150 GPD 0.58 m2 (6.2 sq. ft) 

180 GPD 0.64 m2 (6.9 sq. ft) 

TFC Nominal Rejection Characteristics: 

Calcium: 93-98% 

Sodium: 92-98% 

Magnesium: 93-98% 

Potassium: 92-96% 

Manganese: 96-98% 

Iron: 96-98% 

Aluminum: 96-98% 

Copper: 96-98% 

Nickel: 96-98% 

Cadmium: 93-97% 

Silver: 93-96% 

Zinc: 96-98% 

Mercury: 94-97% 

Hardness Ca & Mg: 93-97% 

Radioactivity: 93-97% 

Chloride: 92-95% 

Ammonium: 80-90% 

Bromide: 90-95% 

Phosphate: 95-98% 

Chromate: 85-95% 

Cyanide: 85-95% 

Sulfate: 96-98% 

Thiosulfate: 96-98% 

Silicate: 92-95% 

Silica: 80-90% 

Nitrate: 90-95% 

Boron: 50-70% 

Borate: 30-50% 

Fluoride: 92-95% 

Polyphosphate: 96-98% 

Orthophosphate: 96-98% 

Chromate: 85-95% 

Virus and Bacteria: 99% + 

Lead: 95-98% 

The rejection percent can vary on the basis of pressure, PH, temperaure and general water quality of the 

feed water. 

WARNING 

The reverse osmosis is not a device that makes water drinkable (non-drinkable water into drinkable water) 

and it works only if it's installed on water complies with the law, municipal potable water or well water if 

previously made drinkable with adequate and effective systems, preventively studied and personalized for 

that kind of water. Do not use the system where the water is microbiologically dangerous or of unknown 

quality without adequate disinfection before and after the system. All systems must be preserved according 

to the producer instructions. The pollutant parts removed or reduced by this system are not necessarily in 

your water. Suggest replacement of membrane elements: when flow comes too slow or at least 24 Months. 

13 February 2018 8/19

Code: 090019 

Pentair GRO encapsulated membranes TLC 36, 50, 75 GPD (16) 

Variants 

Code 

Description 

090019-01 Pentair GRO-36EN GPD encapsulated membranes 



GRO (Green RO) membranes are available for 3 types of flow rate: 36, 50 and 75 Gpd. They provide high 

quality reverse osmosis water while wasting 3 times less water to the drain. 

Features 

* TLC Thin Layer Composite membrane 

* 100% dry membrane maximizing shelf life 

* Double the recovery over standard RO elements 

* High rejection stability at high input TDS 

* Maximal Pressure: 6.90 bar 

* Maximal Temperature: 49°C 

* pH: 4-11 

* Free Chlorine: 0.1 ppm 

Connections: 

* Inlet water: 1/4" Quick Fit 

* Outlet permeate: 1/4" Quick Fit 

* Drain: 1/4" Quick Fit 

Benefits 

* 4 times less water rejected to the drain (1:1 with GRO and 1:4 with standard RO ) 

* High performances even under extreme conditions 

* Membrane can be stored for a longer period of time 

Nominal performance GRO-36EN 

* Flow* Gpd (Lpd): 36 (136.3) 

* Rejection: 96% 

* Drain flow control (ml./min.): 100 


* Flow* Gpd (Lpd): 50 (189.3) 

* Rejection: 96% 



* Flow* Gpd (Lpd): 75 (283.9) 

* Rejection:96% 


13 February 2018 9/19

Note: The data above is based on internal laboratory testing. 

* Nominal performances are based on a 500 ppm softened tap water at 4.5 bar, 25ºC, 50% recovery after 

24 hours. Individual element flux may vary ± 15%. 

The GRO-36EN, GRO-50EN and GRO-75EN are Tested and Certified by NSF International against 

NSF/ANSI Standard 58 for materials and structural integrity requirements. 

Here is the expected amount of water saved each year, for a family of 4 people: 

Yearly water consumption: 3 lt./day/person x 1 year = 4’380 lt. 

Standard RO membrane: 17’520 lt. of rejected water 

GRO membrane: 4’380 lt. of rejected water 

The use of GRO membranes allows a saving of about 13’000 lt. of water per year. 

Code: 090012 

Pentair membrane TLC 50, 75, 100 GPD (25) 

Variants 

Code 

Description 

090012-050 Pentair membrane TLC - 50GPD (25) 



TLC RESIDENTIAL RO MEMBRANES 

The best way to assess the overall filtration quality of a RO system is made by measuring the rejection, 

which is the percentage of total dissolved solids removed from the inlet water. In other words, the higher the 

rejection, the better the membrane performs. The recovery of a RO system represents the quantity of 

permeate produced compared with the quantity of concentrate rejected to the drain. The higher the 

recovery, the lower the rejection is. 

RO MEMBRANE’S CONSTRUCTION 

The spiral-wound membrane element is constructed of one or more membrane envelopes wounded around 

a perforated central tube. Purified water passes through the membrane and is collected in the permeate 

collection material while rejected impurities stay in the feed channel spacer. 

TLC RANGE 

TLC (Thin Layer Composite) range is made of 5 reverse osmosis membranes which will allow to cover any 

types of needs from the customer. Dimensions of these membranes are standard; they will fit into any 

reverse osmosis systems from the market. 

FEATURES 

• TLC Thin Layer Composite membrane 

• 100% dry membrane maximizing shelf life 

• High rejection stability at high input TDS 

• Standard dimensions: can be fitted in any RO systems 

• Maximal Pressure: 6.90 bar 

• Maximal Temperature: 49°C 

• pH: 4-11 

• Hardness: 17°F 

• Free Chlorine: 0.1 ppm 

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• Rejection*: 98% 

NOMINAL PERFORMANCE TLC-50 

• Flow* Gpd (Lpd): 50 (189.3) 


• Flow* Gpd (Lpd): 75 (283.9) 


• Flow* Gpd (Lpd): 100 (378.5) 

* Nominal performances are based on a 500 ppm softened tap water at 4.5 bar, 25ºC, 15% recovery after 

24 hours. Individual element flux may vary ± 15%. 

BENEFITS OF TLC MEMBRANES 

100% dry membranes: maximum shelf life. Each RO membrane is individually packed dry in a plastic bag. 

We’re not adding any chemical preservative, avoiding the risk of bacterial contamination, which can 

happen when the preservative is expired. If properly stored the shelf life of our RO membranes is almost 

endless! 

HIGH REJECTION STABILITY EVEN AT HIGH INPUT TDS 

Whatever the amount of total dissolved solids from the inlet water, TLC membranes will always give 

optimal performances. When compared with a membrane from competition, we can clearly see that 

Pentair’s TLC 75 will give better results: the rejection will remain stable between 96 and 98% even at 

1000ppm whereas it will be lower (89 to 92%) for the membrane from competition**. 

**Results obtained from internal testing (more testing results are available upon request) 

NSF CERTIFIED 

Our membranes are tested and certified by NSF International against NSF/ANSI Standard 58, which will 

save time and money during the NSF certification process of the complete RO system by the OEM. 

NSF COMPONENT 

The TLC-100 is Tested and Certified by NSF International against NSF/ANSI Standard 58 for material 

requirements only. The TLC-24, TLC-36, TLC-50, and TLC-75 are tested & certified by NSF/ANSI to 

standard 58 for the reduction of Arsenic, Barium, Cadmium, Chromium (Hexavalent), Chromium (Trivalent), 

Copper, Turbidity, Fluoride, Lead, Radium 226/228, Selenium & TDS 

IMPORTANT INFORMATION 

Filters and membrane elements are not to be installed on microbiologically unsafe water supplies. TLC 

Membranes are not certified to sanitize water, remove cysts, bacteria, or viruses. Filter and membrane 

element performance can be affected by fluctuations in water quality. 

Code: 090007 

AMI membrane TFC 1812/3012 100, 150, 300 GPD (25) 

13 February 2018 11/19

Variants 

Code 

Description 

090007-100 AMI membrane TFC 1812 - 100GPD (25) 



AMI Membrane home membrane elements, are among the finest in the industry. With hundreds of 

thousands of membranes in operation world-wide, we offer these in a large range of both residential and 

commercial sizes AMI Membranes are Made in the USA in our ISO 9001:2008 Certified Facilities. For the 

past 30 years AMI Membrane elements have earned the reputation of consistent quality. 

Recommended Operating Conditions (50, 75, 100, 150gpd) 

* Maximum operating pressure: 125 psi (8,61bar) 

* Maximum feed flow rate: 2 gpm (7,57lt./min.) 

* Maximum operating temperature: 113°F (45°C) 

* Maximum feed water turbidity: 1 NTU 

* Maximum feed water silt density index (15 min): 5 

* Chlorine tolerance:

Variants 

Code 

Description 

090008-150 AMI nanofiltration membrane NF 1812 - 150GPD (25) 

090008-200 AMI nanofiltration membrane NF 1812 - 200GPD (25) 

Nanofiltration Membrane Elements: NF5 

What is Nanofiltration? 

Nanofiltration (NF), in concept and operation, is much the same as reverse osmosis. The key difference is 

the degree of removal of monovalent ions such as chlorides. Reverse osmosis removes the monovalent 

ions at 98-99% level at 200psi (13,78bar). Nanofiltration membranes’ removal of monovalent ions varies 

between 50% to 90% depending on the material and manufacture of the membrane. For this reason, there 

is a variety of 

Nanofiltration membranes available. Each type is particularly suited to a certain application and may not be 

acceptable to a different application. 

Nanofiltration membranes (NF membranes) and systems are used for water softening, food and 

pharmaceutical applications. 

Recommended Operating Conditions 

* Maximum operating pressure: 300psi (20,68bar) 

* Maximum operating temperature: 113°F (45°C) 

* Maximum feed water turbidity: 1 NTU 

* Maximum feed water silt density index (15 min): 4 

* Chlorine tolerance:

Test condition 

Applied pressure: 150PSI(10,34BAR) * Feed water temperature: 25°C * NaCl Concentration: 500ppm * 

Recovery: 15% 

Operating limits 

Max. temperature 40ºC * Recovery range 10-20% * Maximum operating pressure 21bar(300 psi) * 

Operating PH range: 4-11 * Chlorine tolerance

Code: 090011 

Housings for reverse osmosis membrane 3012 - 300GPD 

Greenfilter (1) 

Connections 

* Inlet: 1/8" * Outlet/Drain: 1/8" 

Code: 090021 

Vessel for reverse osmosis membrane 3012 - 300GPD 

Connections 


Code: 090014 

Yarn Home membrane TFC 3013 - 400 GPD (1) 

13 February 2018 15/19

Code: 090015 

Vessel for reverse osmosis membrane 3013 - 400GPD quick 

fittings connections clips 

Connections 


Code: 090016 


Connections 


Code: 090022 


Connections 


13 February 2018 16/19

Code: 090013 

Greenfilter membrane TFC LP2514, LP2521, LP2540, LP4040 

Medium pressure 

Variants 

Code 

Description 

090013-01 Greenfilter membrane TFC LP2521 Medium pressure 




Code: 090020 

Housings 4" for reverse osmosis membrane 4040x1 - 300psi- 

EP Greenfilter 

Variants 

Code 

Description 

090020-02 Housings 4" for reverse osmosis membrane 4040x1 - 300psi-EP Greenfilter 

Housings 4" for reverse osmosis membrane 4040x1 Cod. 090020-02 

Features: 

* Made of fiber reinforced polyester. 

* Front connection, permeate the collection at both ends. 

* Close by blocking half-length AISI-304 easy membrane replacement. 

* EPDM seals. ABS collector plugs. 

* Compatible with standard 4 "membranes. 

* Support brackets included. 

Connections: 

* Inlet: 1/2" BSP F. 

* Outlet/Drain: 3/4" BSP F 

Technical features: 

* Pressure: 21 kg/cm2, 21 bar (300 psi) 

* Permeate internal pressure: < 8,8kg/cm2, 7bar (125 psi) 

* Max. temperature: 49°C (120.2°F) 

13 February 2018 17/19

* Min. temperature: -10°C (14°F) 

* pH range, continuous operation: 3-11 

* pH range, short-term cleaning: 2-12 (max 30 min.) 

* Weight: 6 kg 

13 February 2018 18/19

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