4"x40" | Full-Fit | Heat-Sanitizable | 2,400 GPD | FilmTec RO

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Brand DOW Filmtec
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DOW FilmTec Membrane Elements

DOW FILMTEC™  HSRO-4040-FF Heat-Sanitizable Full-Fit RO Elements

DOW FILMTEC™ HSRO-4040-FF Elements are heat-sanitizable reverse osmosis elements that deliver outstanding quality water with the added capability to withstand sanitization with hot water, eliminating the need for chemical sanitizers. The full-fit configuration minimizes stagnant areas and is optimal for applications requiring a sanitary design. All materials of construction are compliant with U. S. Food & Drug Administration indirect food contact requirements and are suitable for use in food processing applications.

Each HSRO-4040-FF element is supplied with two end caps (part number 102109). 

DOW FILMTEC HSRO-4040-FF is FDA – 21 CFR 177.2550; Food and Drug Administration Compliant.

Product Specifications

FilmTec Membranes are FDA Compliant     Genuine DOW FilmTec Membrane Element   

Benefits of DOW Full-Fit RO Elements:

  • Heat Sanitizable
  • High flux results in high yields
  • Full-Fit Sanitary-Grade Design
  • Consistant FilmTec performance and quality from automated rolling

Specifications for HSRO-4040-FF

FilmTec Product: HSRO-4040-FF
FilmTec Part Number: 98592
Size (Approximate): 4" Dia. x 40"L
Flow Rate: 1,900 gpd (7.2 m³/d)
Applied Pressure: 150 psig (10.3 bar)
Stabilized Salt Rejection: 99.5%
End Style/PWT: Male PWT, 0.75 OD
Exterior: Cage-Wrapped
Product Type: Spiral-Wound Element 
Membrane Type:
Polyamide Thin-
Film Composite 

Permeate flow and salt rejection based:  32,000 ppm NaCl feed stream, 5ppm boron, 77°F, 8% recovery, 800 psig, pH 8.

Operating Limits for HSRO-4040-FF

Maximum Operating Temperature*: 113°F (45°C)
Maximum Sanitization
Temperature (@ 25 psig):
185°F (85°C)
Maximum Operating Pressure: 600 psig (41 bar)
Maximum Pressure Drop: 15 psig (1 bar)
pH Range, Continuous Operation*: 2-11
pH Range, Short-Term Cleaning**: 1-12
Maximum Feed Silt Density Index: SDI 5
Fere Clorine Tolerance***: <0.01ppm

*Maximum temperature for continuous operation above pH 10 is 95ºF (35ºC).
**Refer to Cleaning Guidelines.
***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, DOW FILMTEC recommends removing residual free chlorine by pretreatment prior to membrane exposure.

Common Applications for Heat-Sanitizable Elements:

  • Medical Applications
  • Sanitary Uses
  • Food Pocessing

Physical Dimensions of DOW FilmTec HSRO-4040-FF

DOW FilmTec Full Fit Sanitary RO Membrane Drawing  
A 40.0 (1,016)
B 0.75 (19)
C 3.9 (99)

HSRO-4040-FF fits nominal 4x40 size pressure vessels.

For more information, please visit this products webpage.