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Nano-Spun Polypro Depth Capsules0 pages
GNS Capsule Filters
Nano-Spun, Hydrophilic
Polypropylene Depth Media
Applications
Fermentation Broths
CMP Slurries
Wine, Beer
Inks & Dyes
Bottled Water,
uffers and Media
B
Fruit Juices
Specialty Chemicals
Nano-Spun Depth Media GNS filter capsules are made using
media produced in a tightly controlled process. The spun media
is created by laying down graded density fibers on a spinning
core. The result is a highly consistent product that provides
99% retention at the rated pore size and holds large amounts of
contaminant. GNS media is ideal for protection of downstream
membrane filters and performance of critical filtration applications.
Nano-spun polypropylene for efficient retention and high
dirt holding capacity
These capsules can be used wherever it is critical to economically
remove contaminants in high value liquids with high
contamination loads. Applications include clarification of wine,
beer, and fruit juices; prefiltration of fermentation broths and
fluids used in making pharmaceuticals; prefiltration of bottled
water; and filtration of specialty chemicals. They are also used
as critical filters in applications such as CMP slurry polishing in
semiconductor making as well as final filtration of inks and dyes.
Remove contaminants in high value liquids
Protection of downstream membrane filters
Performance of critical filtration applications
GNS Capsule Filters - Filtration Area
2”
10”
20”
30”
2” Module
(5.08 cm)
Nano-Spun Hydrophilic
Polypropylene Depth
5”
5” Module
(12.7 cm)
10” Module
(25.4 cm)
20” Module
(50.8 cm)
30” Module
(76.2 cm)
Flow Rate / Filtration Area
The following table represents typical water flow at a one psi (69 mbar) pressure differential across a single 2 inch capsule with a
2” (5.08 cm) nominal length depth filter module and 1/2” FNPT ports. The test fluid is water at ambient temperature. Higher pressure
drops are acceptable, but as flows increase the pressure drop of the housing becomes more apparent.
0.5 μm
1 μm
3 μm
5 μm
7 μm
10 μm
20 μm
30 μm
40 μm
50 μm
GPM
0.16
0.20
0.30
0.45
0.55
0.65
0.80
1.20
1.60
1.80
LPM
0.61
0.76
1.14
1.70
2.08
2.46
3.03
4.54
6.06
6.81
Pore Size
* For approximate flow rates for 5” through 30” capsules, refer to the appropriate cartridge data sheet
Construction Materials
Maximum Operating Parameters
Housing
Polypropylene
Liquid Operational Pressure
80 psi (5.5 bar) at 20 °C (68 °F)
Filtration Media
Nano-Spun, Hydrophilic
Polypropylene Depth Media
Gases Operational Pressure
60 psi (4.1 bar) at 20 °C (68 °F)
Operating Temperature
Media Support
Polypropylene
60 °C (140 °F) at 10 psi
(0.69 bar) in water
End Caps
Polypropylene
Center Core
Polypropylene
Outer Support Cage
Polypropylene
Sealing Method
Thermal Bonding
Forward Differential
Pressure
40 psid (2.7 bard) at 20 °C (68 °F)
Reverse Differential Pressure
20 psid (1.4 bard) at 20 °C (68 °F)
Recommended Changeout
Pressure
25 psid (1.7 bard)
General Service Grade
Capsule Length
Media
"
