User guide
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FS1082EN.doc Aug-10
Fact Sheet
Flotrex* PN
Pleated Filters with Polypropylene Microfiber Media
Figure 1: Flotrex PN Filters
Description and Use
The Flotrex PN (FPN) microfiber filters (Figure 1) offer
an economical solution for your filtration needs. The
all polypropylene construction of the FPN filters pro-
vides superior chemical compatibility. The gradient
density, thermally bonded polypropylene media has
excellent dirt holding capacities and reliable reten-
tion characteristics. FPN filters do not contain any
adhesives or additives.
Typical Applications
FPN filters are an economical alternative to
membrane filters in a broad range of applications,
Including:
• Filtration of liquid polymers, coatings, and inks
• Filtration of bulk chemicals
• Beer trap filtration
• Post Carbon bed and DI bed filtration
• Pre-filtration to protect expensive final filters
General Properties
Flotrex PN filters are available in the following
nominal pore size micron rating: 0.2 0.45, 1, 2, 3, 5,
10 and 30 µm. Tables 1, 2, 3 and 4 show further
details on materials of construction, dimensions,
operational limits and flow performance.
Table 1: Materials of Construction
Description Material of Construction
Filtration Media Polypropylene Microfiber
Support Layers Polypropylene Microfiber
Core and Cage Polypropylene
Endcaps and Adapters Polypropylene
Table 2: Dimensions
Filter Model Nominal O.D. Nominal I.D. Effective Filtration Area
FPN92 2.75” (70 mm) 1.25” (31mm) 4.8 ft
2
(0.45m
2
)
FPN94 2.75” (70 mm) 1.25” (31mm) 5.5 ft
2
(0.51m
2
)
FPN03, FPN05 2.75” (70 mm) 1.25” (31mm) 5.5 ft
2
(0.51m
2
)
FPN01, FPN02 2.75” (70 mm) 1.25” (31mm) 6.4 ft
2
(0.59m
2
)
FPN10, FPN30 2.75” (70 mm) 1.25” (31mm) 7.3 ft
2
(0.68m
2
)
Table 3: Operational Limits
Description Operational Limits
Maximum Forward Differential Pressure 60 psi (4.1 bar) at 70ºF (21ºC)
Maximum Reverse Differential Pressure 30 psi (2.1 bar) at 70ºF (21ºC)
Maximum Operating Temperature
180ºF (82ºC) at 10 psid
(0.69 bar) in water