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Product Details

Brand: DOW Chemical
SKU: TW30-1812-50
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Description

Filmtec Membrane 50 GPD Original, made in USA

Reverse osmosis membranes must be replaced according to the volume and the quality of the treated water. There are two main signals that show you if you need to proceed with the replacement: the decreasing of quantity and quality of the produced water. However, in order to understand the water- quality, you will need litmus papers or an electrical conductivity meter (see related products).

Osmosis Membranes operate on the waters separation principle, that divides the incoming waters into: osmotic water, permeate and rejection. Their functioning is related to several factors, in particular temperature and pressure.
The parent company indicates as performance standards: 25°C and 4 bar.
On the market you can find different types of membranes, similar in shapes and colors, but we have chosen the American Filmtec, for their high quality levels.

50 GPD membranes are used for reverse osmosis with storage systems.
These membranes are free-chlorine sensitive, so we suggest you to verify the effectiveness of the silver activated carbon.

Tips to replace the membrane:

1) Clean the vessel before introducing the new membrane;
2) Grease the black seal with vaseline;
3) Make sure the O- ring sealing is in the correct position.

Cleaning the reverse osmosis systems is crucial to extend the membrane life span.

It is recommended to let citric acid flowing for at least 45 min inside the system at each filter's change. This measure will help you removing limescale and biofilm sediments, that might be damaging for the membranes.

 

Technical Sheet

General Info  
Application
   Drinking water, reverse osmosis system with storage
Efficiency
Nitrates, nitrites, heavy metals, limescale, asbestos, turbidity, particulate
Technology
TFC
Mesh
20 nanometers
Filtering Capacity
It depends on the incoming water
Lifespan
It depends on the incoming water
Optimal capacity
190 l/day - 50 GPD Gallon Per Day (4 bar 25 °C)
 
Dimensions  
Height
24 cm
Diameter
4.45 cm
 
Working Conditions  
Min-max temperature
8-32 °C
Min-max pressure
3-10 bar
Manufacturer Filtec
Code
TW30-1812-50
Type approval
DM 174-2004
Certification
NSF 42
    Disposal     DOMESTIC WASTE
 

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