SP Series 4 x 28

Summary

Product identification

• 3M™ Liqui-Cel™ SP-4x28 Series Membrane Contactor
• Applications:
  • Fluoroelastomer: General Purpose
  • Perfluoroelastomer: Ultra Pure Water

Membrane Characteristics

• Cartridge Configuration: Extra-Flow with Center Baffle
• Membrane/Potting Material: Polyolefin / Polyethylene

Operating limits

• Liquid Flow Guidelines: 1.1-6.8 m³/hr (5-30 gpm)
  • Liquid must flow on the shellside
• Maximum Shellside LIQUID Working Temperature/Pressure:
  • 5-25°C, 4.1 barg (41-77°F, 60 psig)
  • 50°C, 1.0 barg (122°F, 15 psig)
  • If no vacuum is used, 1 barg (15 psig) can be added to pressures above.
• Maximum Applied Gas Pressure: 4.1 barg at 25°C (60 psig at 77°F)
• Note: Liquid pressure should always exceed gas pressure.
• See the official PDF for complete temperature/pressure limits for housings and membrane.

Mechanical / hydraulic

• All dimensions are nominal values for the Polypropylene housing with NPT connections. See full housing drawing on 3M.com/Liqui-Cel for additional details.
• Dimensions (nominal):
  • 116 mm (4.6 in)
  • 85 mm (3.3 in)
• Priming Volume (approximate):

  Housing Material	Shellside	Lumenside
  Polypropylene	2.9 L (0.8 gal)	0.9 L (0.2 gal)
  316L SS	2.9 L (0.8 gal)	0.7 L (0.2 gal)

• Housing Characteristics:
  • Material: Polypropylene, 316L SS (32 Ra finish)
  • Flange Connections:
    • Shellside (Wetted surface):
      • 1 inch Sanitary
      • ¾ inch NPT Female
      • 1 inch George Fisher
      • Rc ¾ per JIS B0203
    • Lumenside (Gas/Vacuum):
      • 1 inch 90° Sanitary
      • ¾ inch 90° NPT Female
      • Rc ¾ per JIS B0203
      • 1 inch Sanitary
• Seal Material Options: Fluoroelastomer, Perfluoroelastomer
• Weight (approximate):

  Housing Material	Dry	Water-filled
  Polypropylene	4 kg (9 lbs)	7 kg (16 lbs)
  316L SS	7 kg (16 lbs)	10 kg (22 lbs)

Regulatory

• Complies with the limits as set by RoHS Directive 2011/65/EU Annex II; recasting 2002/95/EC.
• Constructed of FDA CFR title 21 compliant materials for wetted parts only at ambient temperatures.

---

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

Official datasheet (PDF)

PDF datasheet