VUF8040 8K 31F

Summary

Product identification

The VUF series consists of Spiral Wound Ultrafiltration Membrane Elements.

The VUF series is mainly used for the separation and concentration of specific materials with molecular weight cut-off (MWCO) ranging from 4k to 67k Da. It also applies to the screening and separation of organic substances in industries such as food processing and bioengineering.

The VUF series features feed channel spacers of 31, 46, and 90 mil, and is designed for use with fiberglass or sanitary-grade housing.

This specific product is the VUF8040-8K/31F.

Product Performance

• Model: VUF8040-8K/31F
• MWCO: 8000 Da
• Permeate Flow: 9500 GPD (35.9 m³/d)
• Active Membrane Area: 400 ft² (37.2 m²)
• Feed Spacer Thickness: 31 mil

Test Conditions:

• Solution: 1000 mg/L PEG8000
• Operating pressure: 60 psi (0.41 MPa)
• Temperature: 25 ℃
• Recovery rate: 15%
• Note: Each membrane element may have ±20% variation of permeate flow.

Operating limits

• Maximum operating pressure: 300 psi (2.07 MPa)
• Maximum feedwater temperature: 40 ℃
• Maximum inlet flow rate: 19 m³/h
• Maximum concentration of free chlorine: See the official PDF for exact tabulated values. (Value indicated as "——")
• Maximum pressure drop per element: 15 psi (0.1 MPa)
• Allowed pH range for feedwater in operation: 3-10
• Allowed pH range for chemical cleaning: 2-12
• Maximum feedwater flow SDI₁₅: 5

General Operating Guidelines

• Preservation: Dry membrane elements do not contain preservation solution upon leaving the factory. Wet membrane elements are preserved with 1.0% sodium bisulfite (with an additional 10% propylene glycol antifreeze in winter) and are vacuum packaged.
• Storage: Dry membrane elements must be kept wet after initial soaking. Wet membrane elements not in use for extended periods require preservation solution.
• Initial Flushing:
  • First, flush for 15-25 minutes at low pressure (avoid soaking or overnight soaking).
  • Then, flush for 60-90 minutes at high pressure (water flow should be at least 50% of the system design flow).
• Discharge: The permeate and concentrated water produced during the first hour of initial operation must be discharged.
• Warranty: The operating limits and guidelines in this technical information are part of the limitations of the three-year membrane element warranty.
• Chemicals: The addition of any chemicals that may affect the membrane element during storage and operation is prohibited.
• Further Information: Refer to the Product Manual for detailed instructions on installation, commissioning, storage, and transportation.

Mechanical / hydraulic

• Packing carton (L×W×H): 1080×216×232 mm
• Connector material number: 3.02.09.0006

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Disclaimer: This summary is based solely on the provided text extract. It may not include all figures, footnotes, or the most recent revisions of the OEM PDF datasheet. For contractual data, always refer to the specific OEM PDF revision used on your project.

Official datasheet (PDF)

PDF datasheet