Biopharm High-Capacity PVDF Capsules0 pages
BPVWL Capsule Filters
High Capacity PVDF Membrane
Applications
Buffers and Feedstocks
SVPs
WFI Water
LVPs
Serum
Vaccines
Plasma Products
Applications for BPVWL capsule filters are bioburden reduction
in buffers and media, water for injection (WFI), solvents,
alcohols and other liquids. Our capsules provide high efficiency,
validatable performance to protect downstream processes and
sterilizing filters.
Bioburden reduction in multiple biologicals applications
Excellent flow rates with high throughput
D
esigned for minimal leachables and extractables
PVDF is particularly suited for the filtration of products containing
elements that can adsorb to the media, such as preservatives
and proteins. The very low binding nature of PVDF makes it a
good choice for filtration of valuable protein solutions as well as
products that contain low amounts of preservatives.
Low adsorption of proteins and preservatives
BPVWL Capsule Filters - Filtration Area
Capsule Length
Media
High Capacity
PVDF Membrane
2”
5”
1.0 ft (930cm )
2
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
Polypropylene
Liquid Operational Pressure
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
Sealing Method
Thermal Bonding
Recommended Changeout
Pressure
35 psid (2.4 bard)
Housing
80 psi (5.5 bar) at 20 °C (68 °F)
Biopharmaceutical Grade
BPVWL capsules are made using high capacity hydrophilic
polyvinylidene fluoride (PVDF) membrane. The proprietary
membrane casting process creates a thick membrane with
a high capacity to hold contaminants, excellent retention
characteristics, high flow rates and low protein binding. BPVWL
capsules are used for critical applications in the processing of a
wide range of liquids in biopharmaceutical production.