Biopharm PTFE Membrane Capsules0 pages
BTM Capsule Filters
PTFE Membrane
Applications
Fermentation Air
Process Gas
Solvent Filtration
Compressed Air Filtration
Non-Aqueous Solutions
Tank Vents
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.
Optimized for maximum filter life
F
iltration of air and process gases
V
ent filtration for the protection of tank contents
F
iltration of solvents, alcohols and other non-aqueous
liquids
BTM Capsule Filters - Filtration Area
Capsule Length
Media
2”
PTFE Membrane
5”
1.0 ft (930cm )
2
10”
3.0 ft (2788cm )
2
2
2
20”
7.5 ft (6967cm )
2
2
30”
15.0 ft (13934cm )
2
2
22.5 ft (20901cm2)
2
Flow Rate / Filtration Area
The following table represents typical air and water flow at a one psi (69 mbar) pressure differential across a single 2 inch capsule with
1.0 ft ² (930 cm²) of media with 1/2” FNPT ports. The liquid test fluid is water at ambient temperature. The gas test fluid is compressed
air at ambient temperature. Higher pressure drops are acceptable, but as flows increase the pressure drop of the housing becomes
more apparent.
Air/Gas Flow Rates
Liquid Flow Rates
μm Rating
0.10 μm
0.22 μm
0.45 μm
1.0 μm
SCFM
3.7
5.6
9
11
Construction Materials
μm Rating
0.10 μm
0.22 μm
0.45 μm
1.0 μm
GPM
0.25
0.40
0.76
1.2
LPM
0.95
1.51
2.87
4.54
Maximum Operating Parameters
Polypropylene
Liquid Operational Pressure
80 psi (5.5 bar) at 20 °C (68 °F)
Filtration Media
PTFE Membrane
Gases Operational Pressure
60 psi (4.1 bar) at 20 °C (68 °F)
Media Support
Polypropylene
Operating Temperature
End Caps
Polypropylene
43 °C (110 °F) at 30 psi
(2.1 bar) in water
Center Core
Polypropylene
Outer Support Cage
Polypropylene
Sealing Method
Thermal Bonding
Housing
Forward Differential Pressure 50 psid (3.4 bard) at 20 °C (68 °F)
Reverse Differential Pressure
40 psid (2.7 bard) at 20 °C (68 °F)
Recommended Changeout
Pressure
35 psid (2.4 bard)
Biopharmaceutical Grade
Biopharmaceutical grade TM capsules are manufactured for
critical applications in biopharmaceutical processing. Made with
highly hydrophobic polytetrafluoroethylene (PTFE) membrane,
these capsules are used for filtration of fermentation air, solvents
and alcohols, compressed gases, and as vent filters. Each module
is individually tested using the water intrusion method before it
is released from manufacture.