RO ULE

Summary

Product identification

• Product line: MICRODYN RO ULE Ultra-Low Energy Brackish Water RO Elements
• Description: Low energy reverse osmosis (RO) membranes designed for water purification applications where reduced energy consumption is required. These elements operate at low pressure conditions.
• Membrane Chemistry: Thin-Film Composite Polyamide
• Datasheet Date: 07/01/2021

Operating limits

• Maximum Operating Pressure:
  • Tape Outerwrap Models: 21 bar (300 psi)
  • Fiberglass Outerwrap Models: 41 bar (600 psi)
• Maximum Operating Temperature: 45°C (113°F)
• Cleaning pH Range: 1.0 – 12.0
• Chlorine Tolerance: < 0.1 ppm
• Maximum Pressure Drop:
  • Per element: 1 bar (15 psi)
  • Per housing: 4 bar (60 psi)

Feed water

• Maximum SDI₁₅: 5.0
• Maximum Turbidity: 1 NTU
• Pretreatment is recommended for the removal of free chlorine and other oxidizing agents to prevent damage to membranes.

Product water

• Stabilized Salt Rejection: 98.8%
• Minimum Salt Rejection: 98.0%
• Permeate Flow (at standard test conditions):
  • 4040-ULE: 11.4 m³/day (3,000 GPD)
  • 8040-ULE-400: 53.0 m³/day (14,000 GPD)
  • 8040-ULE-440: 57.0 m³/day (15,000 GPD)
• Standard test conditions for permeate flow: 1,500 ppm NaCl, 10.3 bar (150 psi), 25°C (77°F), 15% recovery, pH 8.0, 30 minutes operation. Flow rates will be no more than 15% below the values shown.

Mechanical / hydraulic

• Models available: 4040-ULE, 8040-ULE-400, 8040-ULE-440
• Membrane Area:
  • 4040-ULE: 7.9 m² (85 ft²)
  • 8040-ULE-400: 37.2 m² (400 ft²)
  • 8040-ULE-440: 40.9 m² (440 ft²)
• Physical Dimensions:
  • Overall Length (Dim. A): 1,016 mm (40.0 inches) for all models.
  • Element Diameter (Dim. B):
    • 4040-ULE: 99 mm (3.9 inches)
    • 8040-ULE-400: 201 mm (7.9 inches)
    • 8040-ULE-440: 201 mm (7.9 inches)
  • Permeate Tube Diameter (Dim. C):
    • 4040-ULE: 19.1 mm (0.75 inches) (Outer Diameter for Male)
    • 8040-ULE-400: 28.6 mm (1.125 inches) (Inner Diameter for Female)
    • 8040-ULE-440: 28.6 mm (1.125 inches) (Inner Diameter for Female)
  • Permeate Tube Type:
    • 4040-ULE: Male (protruding permeate tube, with a Dim. D of 26.7 mm (1.05 inches))
    • 8040-ULE-400: Female
    • 8040-ULE-440: Female
  • Outerwrap Type:
    • 4040-ULE: Tape
    • 8040-ULE-400: Fiberglass
    • 8040-ULE-440: Fiberglass
  • Element Weight:
    • 4040-ULE: 4 kg (9 lb)
    • 8040-ULE-400: 16 kg (36 lb)
    • 8040-ULE-440: 17 kg (37 lb)
• All models use diamond-shaped feed spacers.

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Disclaimer: This summary is based on extracted text and may not include all figures, footnotes, or the latest revisions from the original OEM PDF datasheet. For contractual data, always refer to the specific OEM PDF revision used on the project.

Official datasheet (PDF)

PDF datasheet