Biopharm PTFE Membrane Cartridge Filters0 pages
BTM Cartridge Filters
PTFE Membrane
Applications
Fermentation Air
Compressed Air Filtration
Solvent Filtration
Tank Vents
Non-Aqueous Solutions
Process Gas
Length
5 to 40 in. (12.7 to 101.6 cm) nominal
Outside Diameter
2.75 in. (7.0 cm) nominal
Filtration Area
7.0 ft2 (0.65 m2) per 10 in. length
Integrity Test Specifications
60/40 IPA/water wetted membrane
Pore Size (liquid)
0.10 μm
BTM Filter Cartridges are manufactured with inherently
hydrophobic polytetrafluoroethylene (PTFE) membrane. These
cartridges are designed for use in the filtration of gases and nonaqueous liquids.
Applications include bioburden control in fermentation air,
compressed gas filtration and tank vent filtration to protect the
integrity of stored liquids.
Each cartridge module is individually tested using the water
intrusion method before it is released from manufacture. The
cartridge surface area, filter core design, pleat configuration, and
pleat packing density have been optimized to provide increased
cartridge life and lower filtration operating costs. Rugged
construction ensures repeatable steaming and testing.
Construction Materials
Filtration Media
PTFE Membrane
Media Support
Polypropylene
End Caps
Polypropylene
Center Core
Polypropylene
Outer Support Cage
Polypropylene
Sealing Method
Thermal Bonding
O-rings
Buna,Viton® (or FKM), EP, Silicone,
FEP Encapsulated Silicone, FEP
Encapsulated Viton (or FKM)
Bubble Point
21 psig (1.45 barg)
0.22 μm
15 psig (1.0 barg)
0.45 μm
9 psig (621 mbarg)
1.0 μm
6 psig (414 mbarg)
Maximum Operating Parameters
Differential Pressure
50 psid (3.4 bard) at 20 °C (68 °F)
•t Forward
•t Reverse
40 psid (2.7 bard) at 20 °C (68 °F)
Operating Temperature
82 °C (180 °F) at 10 psid (0.69 bard)
Recommended
Changeout Pressure
35 psid (2.4 bard)
Sanitization/Sterilization
Autoclave
121 °C (250 °F), 30 min, multiple cycles
In-line Steam
135 °C (275 °F), 30 min, multiple cycles
For all elevated temperature procedures above, a stainless steel
support ring is required.
Chemical Sanitization
Performed using industry standard concentrations of hydrogen
peroxide, paracetic acid, sodium hypochlorite, and other
selected chemicals.
Total Performance
Critical Process Filtration, Inc. is a vertically integrated manufacturer
of filtration products to industries in which filtration is considered
a critical part of the manufacturing process. We supply a complete
line of products and services to help you cost effectively satisfy all
your filtration requirements from a single source.
Biopharmaceutical Grade
Dimensions
"