Martin Water
PRODUCTS  RO membranes

Residential RO Membrane Elements A

Introduction:

Hydro-Flex reverse osmosis (RO) membrane elements for household drinking water are some of the most reliable and 

consistent products in the industry. Advanced membrane technology coupled with well-controlled element rolling allows

Hydro-Flex to produce RO Membrane Elements with stable performance. Hydro-Flex's first class RO Membrane Element

quality helps customers develop and maintain brand recognition along with a reputation for building systems that reliably

provide low impurity drinking water. Hydro-Flex elements are uniquely engineered for their high level of salt rejection with

minimum compromise in water flux.


Specifications:

ltem                                            Specification
FX-1812-50FX-1812-75FX-1812-100FX-1810-50FX-1810-75FX-1810-100FX-2012-150
Water Yield
 (GPD)
50751005075100150
Ratio of

Desalinization(%)

96969396969392

* Test Condition: 25℃, 250PPM NaCl solution, 60PSI


Dimension:

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Model   No.                                   Dimensions   – Inches (mm)
ABCDE
FX-181211.75 (298)0.87 (22)0.68 (17)1.75 (44.5)10.00 (254)
FX-181010.07 (256)0.87 (22)0.68 (17)1.75 (44.5)9.05 (230)
FX-201211.75 (298)0.87 (22)0.68 (17)1.95 (49.5)10.00 (254)

* Home Drinking Water elements seal at a standard 2.0 inch I.D. within pressure vessels               1 inch=25.4 mm


Operating Limits for Design:

Membrane Type ........................................ Polyamide Thin-Film Composite

Maximum Operating Temperature ............................................ 113℉/45℃

Maximum Operating Pressure .............................................. 300psi(21bar)

pH range, Continuous Operation .......................................................... 2-11

pH range, Short-Term Cleaning (30 min) ............................................. 1-12

Maximum Feed Silt Density Index(SDI) ..................................................... 5

Free Chlorine Tolerance ................................................................ <0.1ppm


Important Operation Notes:

•  This product is used for the first time. Permeate water obtained from the first hour of use should be discarded.

•  Keep elements moist at all times after initial wetting.

•  If operating limits and guidelines given in this Product Information Bulletin are not strictly followed, the Limited 

    Warranty will be null and void.

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

    be immersed in a preservative solution. Rinse out the preservative before use.

•  The OEM is fully responsible for the effects of incompatible chemicals and lubricants on elements. Use of any 

    such chemicals or lubricants will void the Limited Warranty.

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