IntegraFlo DW74 1100

Summary

Product identification

The DOW IntegraFlo™ DW74-1100 Ultrafiltration (UF) Module is designed for potable use, featuring high-strength, engineered PVDF hollow fiber membranes.

• Model: DW74-1100
• Part Number: 11034238
• Membrane Material: PVDF hollow fiber
• Pore Size: 0.03 µm
• Flow Configuration: Outside-In, Dead End Flow
• Certification: Tested and certified by NSF International under NSF/ANSI Standard 61 for safe use in drinking water applications.

Operating limits

• Filtrate Flux @ 25ºC: 40 - 105 l/m²/hr (24 - 62 gfd)
• Flow Range: 3.0 – 7.8 m³/hr (12.9 – 33.9 gpm)
• pH, Operating: 2 - 11
• pH, Cleaning: 2 - 12
• Temperature: 1 - 40ºC (34 - 104ºF)
• Max. Inlet Module Pressure (@ 20°C): 5 bar (73 psi)
• Max. Operating TMP: 2.1 bar (30 psi)
• Max. Operating Air Scour Flow: 20 Nm³/hr (12 scfm)
• Max. Backwash TMP: 2.5 bar (36 psi)
• NaOCl (max): 2,000 mg/L

Feed water

The module can be used on a wide variety of water sources, such as groundwater, surface water, and seawater.

• TSS (max): 100 mg/L
• Turbidity (max): 300 NTU
• Particle Size (max): 300 µm

Product water

• Expected Filtrate Turbidity: ≤ 0.1 NTU
• Expected Filtrate SDI: ≤ 2.5
• Reduction: Facilitates reduction of most common bacteria, viruses, and particulates.

Mechanical / hydraulic

• Membrane Area: 74 m² (797 ft²)
• Module Volume: 28 liters (7.4 gallons)
• Weight (Empty/Shipping/Flooded): 49/56/76 kg (108/123/168 lbs)
• Dimensions (SI / US):
  • L: 1780 ± 4.5 mm (70.1 ± 0.2 inch)
  • L1: 1442 ± 1.5 mm (56.8 ± 0.06 inch)
  • L2: 1593 ± 3.0 mm (62.7 ± 0.1 inch)
  • L3 (Reference): 1747 mm (68.8 inch)
  • D: 219 mm (8.6 inch)
  • W1: 190 mm (7.5 inch)
  • W2: 297 mm (11.7 inch)
• Connections: 50 DN Coupler, G 3/8” Air (air scour connection can be made to order with a 1½ ” NPT female port for low pressure air supply).
• Housing: Streamlined PVC housing.
• Features: Integrated lifting handles.

Disclaimer: This summary is based on extracted text and may not include all figures, footnotes, or the latest revisions from the official OEM PDF datasheet. Contractual data must always match the specific OEM PDF revision used on the project.

Official datasheet (PDF)

Lenntech datasheet mirror