LOFMEM-V

Summary

Product Identification

The LOFMEM™V Series are absolute-rated polyester Track-Etch membrane filter cartridges. They feature a double layer of Track-Etch polyester membrane, are pre-flushed, and integrity tested for optimal contamination removal.

Features and Benefits:

• Integrity testable
• 12.5 ft.² (1.2m²) of Track-Etch membrane per 10" element
• High flow rates, high resistivity, low TOC levels
• Sieving capture mechanism for high performance filtration
• Pre-flushed, integrity tested, and serialized
• Meets USP Class VI biological test for plastics
• All-polyester construction
• Sanitizable with steam, hydrogen peroxide, hot water, and other chemical sterilants
• Cyst removal exceeding ANSI/NSF standard 53 for drinking water
• Validation guide available
• Pore size, lot, and serial number are stamped on each filter element for identification and traceability.

Construction Materials:

• Media: Polyester Track-Etch membrane
• Inner core, end caps, cage: Polyester
• Support layer: Polyester
• Gasket/O-Rings: Buna-N, EPDM, Silicone, Viton®, Teflon® encapsulated Viton O-Rings

Operating Limits

• Max. operating temperature: 176°F (80°C)
• Max. differential pressure:
  • 75 psid @ 70°F (5.5 bar @ 21°C)
  • 5 psid @ 176°F (0.3 bar @ 80°C)

Product Water Performance

LOFMEM-V Rinse-Up Performance Typical Results per 10" Cartridge (Cartridges flushed before tests):

Quick Flush

• Resistivity: 18 MΩ-cm, Flush Volume < 334 gal. (1264 L)
• TOC: < 3 ppb, Flush Volume < 70 gal. (265 L)
• Particles > pore rating: < 5/mL, Flush Volume < 35 gal. (133 L)

Background Flush

• Resistivity: 18 MΩ-cm, Flush Volume < 1,300 gal. (4,920 L)
• TOC: < 2 ppb, Flush Volume < 250 gal. (946 L)
• Particles > pore rating: < 1/mL, Flush time < 10 hrs

Mechanical / Hydraulic

• Micron ratings: 0.05, 0.1, 0.2, 0.4, 0.6, 1.0 µm
• Nominal lengths: 9.75", 10", 20", 30", 40" (24.7, 25.4, 50.8, 76.2, 101.6 cm)
• Outside diameter: 2.7" (6.9 cm)
• Inside diameter: 1.0" (2.54 cm)
• Surface area: 12.5 ft.² (1.2m²) – per 10" element
• Flow Rate: Provides high flow rates. See the official PDF for exact tabulated flow rate vs. differential pressure values (ambient temp. per 10" cartridge).

Filter Specification Code (Example: LMV-20-0.2-1E)

• Filter Series: LMV (LOFMEM-V)
• Nominal Length:
  • -9: 9.75"
  • -10: 10.0"
  • -20: 20.0"
  • -30: 30.0"
  • -40: 40.0"
• Retention Rating:
  • -0.05: 0.05 micron
  • -0.1: 0.1 micron
  • -0.2: 0.2 micron
  • -0.4: 0.4 micron
  • -0.6: 0.6 micron
  • -1.0: 1.0 micron
• End Configuration:
  • DOE: Double Open End
  • -1: 226/Flat Single Open End
  • -2: 222/Fin Single Open End
  • -3: 226/Fin Single Open End
  • -4: 222/Flat Single Open End
  • -10: Double Open End, Internal O-Ring
  • -20: Single Open End, Internal O-Ring
• Gasket or O-Ring:
  • S: Silicone
  • B: Buna-N
  • E: EPDM
  • V: Viton
  • T: FEP/Viton (O-Rings only)

---

Disclaimer: This summary is based on the provided text extraction and may not include all figures, footnotes, or the latest revisions present in the official PDF datasheet. For contractual data, please refer to the specific OEM PDF revision used on your project.

Official datasheet (PDF)

Lenntech datasheet mirror