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Dow Filmtec™ XLE-440 is a high-performance reverse osmosis element with low energy consumption. Suitable for purification of water with medium level of mineralization. It provides high quality water at low operating costs.
The Dow Filmtec™ XLE-440 membrane element operates at pressure minimal for reverse osmosis, by this reducing energy consumption.
Permeate volume
53
m³/day
Operating pressure
8,6
bar
Nominal active surface
41
m²
Stabilized salt rejection
99,0
%
Max. operating pressure
41
bar
Max. operating water temperature
45
°С
Before launch of the reverse osmosis system preliminary preparation of the membrane, refill of the elements, adjustment of the devices and other system checks should be performed.
Avoid any major pressure or flow surges inside the spiral-wound elements in the middle of launch, stop, cleaning etc. to avoid risk of damage infliction to the membrane. During the launch it is recommended to gradually switch the system from standstill to operational mode following the steps:
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