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Under certain conditions, the presence of free chlorine and other oxidizing agents
will cause premature membrane failure. Since oxidation damage is not covered under
warranty, HYDRON recommends removing residual free chlorine by pre treatment prior to membrane exposure. Any specific application must be limited within the extreme operating conditions. We strongly recommend you to refer to the latest edition of technology manual and design guide prepared by HYDRON Membrane Technology or consult experts proficient in membrane technology. In case the customer fails to follow the operating conditions as specified in this manual, HYDRON Membrane Technology will assume no liability for all results. The permeate flow listed in the table is the average value. The permeate flow of single membrane element is within a tolerance not exceeding ±20% of nominal value.

Discard the RO- filtered water produced during the first one hour after system start-up.
During storage time and run time, it is strictly prohibited to dose any chemical medicament that may be harmful.

MEMBRANE TYPE Polyamide Compound
› Testing Pressure 225 psi (1.55 MPa) (15.5 bar)
› Temperature of Testing Solution 77 °F (25 °C)
› Concentration of Testing Solution (NaCl) 2000 ppm
› pH Value of Testing Solution 7.5
› Recovery Rate of Single Membrane Element 15%
› Max. Working Pressure 600 psi (4.14 MPa) (41.4 bar)
› Max. Feed water Flow 16 gpm (3.6 m3
› Max. Feed water Temperature 113 °F (45 °C)
› Max. Feed water SDI 5
› Single Membrane Max. Pressure Drop 15 psi (0.1 MPa) (1.03 bar)
› Residual chlorine Concentration
of Feed water <0.1 ppm
› pH Range of Feed water
during Continuous Operation 3~10
› pH Range of Feed water during Chemical Cleaning 2~12

HYDRON Commercial Membrane Elements with their hard shell
fiberglass exterior provide outstanding performance for Commercial
systems. HYDRON Membranes are manufactured in a State-of-the-
Art, ISO-9001-2000 certified automatic rolling facility which provides
you with a precise and advanced membrane element.