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Dow Filmtec HSRO-4040-FF 40 inch × 4 inch Sanitary/Full Fit Medical Food Membrane

Dow Filmtec HSRO-4040-FF 40 inch × 4 inch Sanitary/Full Fit Medical Food Membrane

Item SKU: HSRO-4040-FF

MFG ID: HSRO-4040-FF | UPC:




Dow Filmtec HSRO-4040-FF 40 inch × 4 inch Sanitary/Full Fit Medical Food Membrane

HSRO-4040-FF elements, manufactured on advanced automated equipment, have the highest active membrane area available in the industry today. This high area allows system designs with either lower operating flux or cost savings from fewer membrane elements. The full-fit configuration minimizes stagnant areas and is an ideal choicefor applications requiring a sanitary design. All components comply with U.S. Food & Drug Adminstration standards.

Specifications:

  • Part number: 98592
  • Nominal Active Surface Area: 90 (8.4) ft2 (m2)
  • Applied Pressure: 150 (10.3)
  • Permeate Flow Rate: 1,900 (7.2) gpd (m3/d)
  • Stabilized Salt Rejection: 99.5 %
  • Membrane Type: Polyamide Thin-Film Composite (Filmtech)
  • Maximum Operating Temperature: 113°F (45°C)
  • Maximum pressure drop: 15 psig (1.0 bar)
  • pH Range, Continuous Operation: 3-10
  • pH Range, Short Term Cleaning: 1-12
  • Maximum Feed Silt Density Index: SDI 5

HSRO-4040-FF was previously named SG30-85-HS. HSRO-390-FF was previously named SG30-390-HS.
Permeate flow and salt rejection based on the following test conditions: 2,000 ppm NaCl, pressure specified above, 77°F (25°C ) and 15% recovery.
Elements must be conditioned prior to start-up. A one-time flux loss will occur during stabilization. Listed values apply after performance stabilization.
Permeate flows for individual elements may vary +/-20%.
For the purpose of improvement, specifications may be updated periodically.

Instructions:

Important Information:
Proper start-up of reverse osmosis water treatment systems is essential to prepare the membranes for operating service and to prevent membrane damage due to overfeeding or hydraulic shock. Following the proper start-up sequence also helps ensure that system operating parameters conform to design specifications so that system water quality and productivity goals can be achieved. Before initiating system start-up procedures, membrane pretreatment, loading of the membrane elements, instrument calibration and other system checks should be completed. Please refer to the application information literature entitled “Start-Up Sequence" (Form No. 609-02077) for more information.

Operation Guidelines:
Avoid any abrupt pressure or cross-flow variations on the spiral elements during start-up, shutdown, cleaning or other sequences to prevent possible membrane damage. During start-up, a gradual change from a standstill to operating state is recommended as follows: Feed pressure should be increased gradually over a 30-60 second time frame. Cross-flow velocity at set operating point should be achieved gradually over 15-20 seconds. Permeate obtained from first hour of operation should be discarded.

General Information:
Keep HSRO-4040-FF elements moist at all times after initial wetting. If operating limits and guidelines given in this 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. The customer is fully responsible for the effects of incompatible chemicals and lubricants on elements. Maximum pressure drop across an entire pressure vessel (housing) is 50 psi (3.4 bar). Avoid static permeate-side backpressure at all times.

Question & Answers

Q Do you ship this item to Taiwan?
A Yes, we do ship to Taiwan. The shipping costs are calculated at check-out based on destination and weight.
Q Why did you choose this?
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