LOW4-4014

Summary

Product identification

• Model: LOW4-4014
• Description: Extra Low Energy, Excellent Productivity - Brackish Water Element
• Configuration: Spiral Wound
• Membrane Polymer: Composite Polyamide
• Brine Spacer Material: Polypropylene

Performance Specifications

• Nominal Permeate Flow: 500 gpd (1.89 m³/d)
• Salt Rejection: 99.0% nominal (98.0% minimum)
• Nominal Membrane Area: 19 ft² (1.8 m²)

Test Conditions

(After 30 min of operation)

• Solution: 500 ppm NaCl
• Applied Pressure: 100 psi (6.9 bar)
• Operating Temperature: 77 °F (25 °C)
• Permeate Recovery: 10%
• pH Range: 6.5 ÷ 7.0

Dimensions

• Total Length (A): 14.0 inches (355.6 mm)
• Diameter (B): 3.95 inches (100.3 mm)
• Connection Diameter (C): 0.75 inches (19.1 mm)
• Core Tube Extension Feed Side (DF): 1.2 inches (30.5 mm)
• Core Tube Extension Concentrate Side (DC): 1.2 inches (30.5 mm)
• Weight: 3 lbs (1.4 Kg)

Operating limits

• Maximum Operating Pressure:
  • Fiberglassed: 600 psi (41.4 bar)
  • Tape Wrapped: 300 psi (20.7 bar)
• Maximum Operating Temperature: 113 °F (45 °C)
• Maximum Pressure Drop: 10 psi (0.7 bar)
• Maximum Feed Flow: 12 gpm (45.4 lpm)
• Maximum Feedwater Chlorine Concentration: <0.1 ppm
• Maximum Feedwater SDI (15 min): 5.0
• Maximum Feedwater Turbidity: 1.0 NTU
• Minimum ratio of concentrate to permeate flow for any element: 5:1
• Feedwater pH Range: 3.0 ÷ 10.0

Additional Information

• Minimum permeate flow for individual elements is 20 percent below listed flow.
• Elements are vacuum sealed in a polyethylene bag containing less than 1.0% sodium meta-bisulfite and 10% propylene glycol solution.
• Permeate obtained from the first hour of operation should be discarded.
• Avoid static permeate-side backpressure at all times.
• These membranes may be subject to drinking water application restrictions in some countries; please check the application status before use and sale.
• For element loading, use only glycerine to lubricate o-rings and brine seal.
• The customer is fully responsible for the effects of incompatible chemicals on elements. The presence of free chlorine and other oxidizing agents will cause membrane failure, and the damage is not covered under warranty.

Disclaimer

This summary is based on extracted text and may not include all figures, footnotes, or the latest revisions. Oltremare believes the information and data contained herein to be accurate and useful, but offers it without guarantee, as conditions and methods of use are beyond their control. No performance warranties are given; all implied warranties of merchantability or fitness for a particular purpose are expressly excluded. Contractual data for any project must match the OEM PDF revision used on that project. Specifications may be modified or amended without prior notice.

Official datasheet (PDF)

PDF datasheet