Lenntech
LOFMEM™W Series
Polyethersulfone Membrane
Absolute Rated Filter Cartridge
“Eaton’s LOFMEM-W
membrane filter
cartridge is the
preferred choice for
general water filtration,
as a DI water prefilter/
postfilter and for use
in aqueous-based
chemical processing.”
This disposable Eaton
membrane filter cartridge
is designed using absolute
rated polypropylene and
polyethersulfone components
that are both hydrophilic
and asymmetric. Engineered
specifically for economic
overall filtration, the
LOFMEM-W offers superior
flow rates and throughputs.
Features and Benefits
„„ High dirt holding provides
long service life and reduced
maintenance requirements
„„ Economic absolute filtration
„„ FDA listed (U.S. CFR, Title 21)
materials of construction for
food and beverage contact
„„ Available in multiple
configurations
„„ All-thermal bonded
construction, no adhesives
„„ Validated for USP, Class VI
standards for plastics
Filter Specifications
Media
Asymmetric polyethersulfone
Inner core/end caps/cage
Polypropylene
Support layers
Spunbond polypropylene
Outside diameter
2.7" (6.9 cm)
Inside diameter
1.1" (2.79 cm)
Micron ratings
0.05, 0.1, 0.2, 0.45, 0.65 µm
Cleanliness
Non-fiber releasing
No wetting agents
Surface area
6 ft2 (0.56m2) per 10-inch element
Gaskets/O-Rings
Buna-N, EPDM, Silicone, Viton©,
Teflon© encapsulated Viton
(O-Rings Only)
Operating Parameters
Compatibility
Compatible with most common
chemical cleaning, sanitizing
and sterilizing agents and with
pH range from 1 to 4. For more
information, call Eaton or your Eaton
representative
Maximum differential
pressure
60 psid @ 80°F (4.14 bar @ 27°C)
30 psid @ 160°F (2.07 bar @ 71°C)
15 psid @ 200°F (1.03 bar @ 93.3°C)
Nominal lengths
9.75", 10”, 20", 30", 40"
(24.7, 25.4, 50.8, 76.2, 101.6 cm)
Sustained maximum
operating temperature
180°F (82°C) at 20 psid (1.38 bar)
Recommended
change-out pressure
35 psid (2.4 bar)
Nominal
Length
-9 9.75"
-10 10.0"
-20 20.0"
-30 30.0"
-40 40.0"
Filter
Specification
Code
LMW
Gasket or O-Ring
S Silicone
B Buna-N
E EPDM
V Viton
T FEP/Viton (O-Rings only)
T FEP (Gaskets only)
-10
-0.2
-1
E
-R
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
-20 Single Open End, Internal O-Ring
Retention
Rating
-0.05micron
-0.1 micron
-0.2 micron
-0.45micron
-0.65micron
Filter
Series
LOFMEM-W
Pre-Rinse Option
Factory Pre-Rinse
WaterTEC Clean Water Flow Rates
cartridge)
LOFMEM-W Flow (per
Rate10-inch
(per 10" cartridge)
Differential Pressure
Bar
PSI
.28 4.0
.21
3.0
.14
2.0
.07
1.0
0
0
0.05 μm 0.1 μm
0.2 μm
0.45 μm
0.65 μm
0
1
2
3
0
4
8
11
4
5
15
19
Flow Rate
6
7
23
27
8 USGPM
30 LPM
©2009 Eaton Corporation. All Rights Reserved.
All trademarks and registered trademarks are the
property of their respective owners. Litho USA
Lenntech
info@lenntech.com Tel. +31-152-610-900
www.lenntech.com Fax. +31-152-616-289
All information and recommendations appearing in this brochure concerning the use of products
described herein are based on tests believed to be reliable. However, it is the user’s responsibility to
determine the suitability for his own use of such products. Since the actual use by others is beyond
our control, no guarantee, expressed or implied, is made by Eaton as to the effects of such use or the
results to be obtained. Eaton assumes no liability arising out of the use by others of such products. Nor
is the information herein to be construed as absolutely complete, since additional information may be
necessary or desirable when particular or exceptional conditions or circumstances exist or because of
applicable laws or government regulations.
EF-LMW
8-2009