SWT Polyethersulfone Membrane Cartridges

Absolute Cartridges

Polyethersulfone Membrane Cartridges

Typical Water Flow Rate Curves
Per 10 inch (25cm) Equivalent

The SWT Polyethersulfone (PES) Membrane cartridge has been developed for the filtration of high-purity liquids. The SWT Polyethersulfone (PES) Membrane is inherently hydrophillic and contains no added surfactants or wetting agents. Each cartridge is fabricated in a cleanroom environment. This cartridge’s greatest strength derives from the use of its unique mirrored anisotropic polyethersulfone (PES) membrane with a narrow pore size distribution. This membrane produces a cartridge with exceptionally high flow rates and long on-stream life.

Safe Water Technologies PES membrane and all-polypropylene supportive structures result in a cartridge with low ionic and organic extractables, broad chemical compatibility, and a high resistance to hydrolysis, thus minimizing particle shedding.

Applications

• Chemical Filtration
• Liquid Clarifacation
• Recirculating Liquids
• General Water Filtration
• Deionized Water Systems

Advantages

• High Flow Rates
• Long On-Stream Life
• Resistance to Hydrolysis
• Low Differential Pressures
• Broad Chemical Compatibility
• All materials meet FDA/USP requirements

SWT Polyethersulfone Membrane Cartridge Specifications:

Pore Size Ratings & Liquid Flow Rates *

* For fluids with viscosity of 1cp per 10 inch (25 cm) cartridge equivalent.

0.1 µm:		1.8 gpm/psid (0.10 lpm/mbar)
0.2 µm:		3.7 gpm/psid (0.20 lpm/mbar)
0.45 µm:		4.8 gpm/psid (0.26 lpm/mbar)
0.65 µm:		9.2 gpm/psid (0.51 lpm/mbar)

Materials of Construction:

Depth Media:	Polyethersulfone
Support Layers:	Polypropylene
Cartridge Harware:	Polypropylene

Toxicity:

All components meet USP-XXIII ClassVI-121ºC criteria

Chemical Compatibility:

Cartridges are chemically compatible with most ultra-pure chemicals and sanitizing agents. **

** See Chemical Compatibility Guide, or contact SWT.

Operating Differential Pressure:

Forward: 80 psid (5.5 bar) @ 75ºF (24ºC)
Reverse: 15 psid (2.8 bar) @ 75ºF (24ºC)

Packaging Economy:

Bulk packaged in case quantities to reduce material disposal:

10 inch...	28 per carton
20 inch...	12 per carton
30 inch...	12 per carton
40 inch...	9 per carton

Sealing Methods:

All components are Thermally Bonded to assure integrity and to reduce extractables.

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	Safe Water Technologies, Inc. 996 Bluff City Boulevard Elgin, IL 60120 USA
	Telephone: +1.847.888.6900 Facsimile: +1.847.888.6924 E-mail: info@swtwater.com http://www.swtwater.com Last Updated: March 5, 2008