PFI Watermaker Cartridge Filter Bag Housing RO Membrane UV Water Sterilizer

 CSM RE8040-BLN

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Normal low pressure grade RO membrane element for brackish water

Product Specifications

• Permeate Flow rate : 12,000 GPD (45.4 m3/day)
• Stabilized Salt Rejection : 99.2 %
• Effective Membrane Area : 400 ft2 (37.2 m2)

Product Description

• Membrane Type : Thin-film Composite
• Membrane Material : PA (Polyamide)
• Membrane Surface Charge : Negative
• Element Configuration : Spiral-Wound, FRP wrapping

Features

• CSM low pressure BLN elements have similar capabilities to the brackish water membrane at low pressure condition, which can reduce the energy cost and capital costs for the high pressure pumps, plumbing and the pressure vessels.
• Salt rejection and specific permeate flux of BLN are between BLR and BLF products.

 Application Data

Operating Limits

• Max. Pressure drop / Element 15 psi (0.1 MPa)
• Max. Pressure drop / 240” vessel 60 psi (0.42 Mpa)
• Max. Operating pressure 600 psi (4.14 MPa)
• Max. Feed flow rate 66 gpm (15.0 m3/hr)
• Min. Concentrate flow rate 16 gpm (3.6 m3/hr)
• Max. Operating temperature 113 oF (45 oC)
• Operating pH range 3.0 ~ 10.0
• CIP pH range 2.0 ~ 11.0
• Max. Turbidity 1.0 NTU
• Max. SDI (15 min) 5.0
• Max. Free Chlorine concentration 0.1 mg/L

Design Guideline for Various Water Source

• Waste water (SDI < 5) 8 ~ 12 gfd
• Waste water pretreated by UF (SDI < 3) 10 ~ 14 gfd
• Seawater, open intake (SDI < 5) 7 ~ 10 gfd
• High salinity well water (SDI < 3) 8 ~ 12 gfd
• Surface water (SDI < 5) 12 ~ 16 gfd
• Surface water (SDI < 3) 13 ~ 17 gfd
• Well water (SDI < 3) 13 ~ 17 gfd
• RO/UF permeate (SDI < 1) 21 ~ 30 gfd