Service High Capacity PVDF Capsules0 pages
GPVWL Capsule Filters
High Capacity PVDF Membrane
Applications
Process Water
Inks & Dyes
DI Water
Specialty Chemicals
GPVWL capsule filters are hydrophilic and manufactured with
high capacity polyvinylidene fluoride (PVDF) membrane.
The proprietary membrane casting process creates a thick
membrane with high dirt holding capacity, excellent retention
characteristics and high flow rates. GPVWL capsules are used for
critical applications in the processing of a wide range of liquids.
Applications for GPVWL capsule filters include removal of
particulate contaminants from purified process water, final
filtration of DI water, inks, dyes and specialty chemicals.
PVDF membrane is particularly suited for high volume filtration
of product streams that contain elements that can adsorb to the
media, such as preservatives. The very low binding characteristics
of PVDF make it a good choice for inks, dyes, specialty chemicals
and service fluids.
Excellent throughput with high efficiency retention
High quality filtration of process water, specialty
chemicals, inks and dyes
Optimized membrane design
GPVWL Capsule Filters - Filtration Area
Capsule Length
Media
5”
1.0 ft (930cm )
2
10”
3.0 ft (2788cm )
2
2
20”
6.0 ft (5574cm )
2
2
30”
12.0 ft (11148cm )
2
2
18.0 ft (16722cm2)
2
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 1.0 ft²
(930 cm²) of media with 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.
0.22 μm
0.45 μm
0.65 μm
0.85 μm
1.0 μm
GPM
0.18
0.23
0.42
0.67
1.17
LPM
0.68
0.87
1.59
2.54
4.43
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
High Capacity Polyvinylidene fluoride
(PVDF) Membrane
Gases Operational Pressure
60 psi (4.1 bar) at 20 °C (68 °F)
Operating Temperature
Media Support
Polypropylene
43 °C (110 °F) at 30 psi
(2.1 bar) in water
End Caps
Polypropylene
Forward Differential Pressure 50 psid (3.4 bard) at 20 °C (68 °F)
Center Core
Polypropylene
Reverse Differential Pressure
40 psid (2.7 bard) at 20 °C (68 °F)
Outer Support Cage
Polypropylene
35 psid (2.4 bard)
Sealing Method
Thermal Bonding
Recommended Changeout
Pressure
General Service Grade
High Capacity
PVDF Membrane
2”
2