Biopharm Hydrophobic PVDF Capsules0 pages
BPVWB Capsule Filters
High Capacity Hydrophobic PVDF Membrane
Applications
Compressed Air
Tank Ventilation
Fermentation Air
Non-Aqueous Solutions
Solvents
High capacity membrane for maximum filter life
The capsule media surface area, filter core design, pleat
configuration and pleat packing density have been optimized to
provide increased life resulting in lower filtration operating costs.
D
esigned for filtration of air and process gases
Vent filtration for the protection of tank contents
BPVWL Capsule Filters - Filtration Area
Capsule Length
Media
2”
10”
20”
30”
1.0 ft2 (930cm2)
High Capacity
Hydrophobic
PVDF Membrane
5”
3.0 ft2 (2788cm2)
6.0 ft2 (5574cm2)
12.0 ft2 (11148cm2)
18.0 ft2 (16722cm2)
Flow Rate / Filtration Area
The following table represents typical water or air/gas 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 fluids are water or compressed air 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
Water Flow Rates (gpm)
0.18
0.23
0.42
0.67
1.17
Air/Gas Flow Rates (scfm)
>10
>12
>14
>15
>15
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 Hydrophobic
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
Sealing Method
Thermal Bonding
Recommended Changeout
Pressure
35 psid (2.4 bard)
Biopharmaceutical Grade
Biopharmaceutical grade PVWB capsules are manufactured for
the critical needs of the pharmaceutical and biotech industry.
Made with high capacity hydrophobic polyvinylidene fluoride
(PVDF) membrane, these capsules are used for compressed
gases, and as vent filters. The high capacity membrane provides
high dirt holding capacity, excellent throughput and high
efficiency particle retention. Representative filter modules are
integrity tested before lot release from manufacturing to assure
consistent performance.