PSH-Series Hydrophobic Polysulfone
PSH-Series high purity hydrophobic polysulfone membrane filter cartridges provide a cost-effective alternative to PTFE or PVDF membrane cartridges for air, bulk gas, and tank vent applications requiring high moisture resistance.
PSH-Series Ordering Specifications
Micron Ratings | 0.02 or 0.03 |
Lengths | 10″, 20″, 30″, 40″ |
End Cap Styles | 2 = DOE Flat Gasket 3 = 222 w/ Fin 4 = 222 w/ Flat Cap 6 = 226 w/ Flat Cap 7 = 226 w/ FIN 16 = 213 Internal O-Ring 28 = 222 3-Tabs w/ Fin |
O-Rings/Gaskets | B = Buna E = EPDM S = Silicone T = Teflon® Encapsulated Viton® V = Viton® Z = Teflon® Encapsulated Silicone |
Adders | CS = 316SS Compression Spring I = Stainless Steel Insert |
Construction Materials
- Membrane: Hydrophobic Polysulfone
- Support Media: Polypropylene
- End Caps: Polypropylene
- Center Core: Polypropylene
- Outer Support Cage: Polypropylene
- O-Rings/Gaskets: Buna, EPDM, Silicone, Teflon® Encapsulated Viton®, Viton®, Teflon® Encapsulated Silicone
Typical Applications
- Tank Vent
- Fermentation
- Air, Nitrogen, and Other Inert Gases
Operating Conditions
- Change Out Δ (recommended): 35 PSID
- Temperature (max): 176˚F (80˚C)
- Differential Pressure (max): 50 PSID (3.4 bar) at 68˚F (20˚C)
Sanitization/Sterilization
- Filter Hot Water: 80˚C for 30 min
- Steam Sterilization: 121˚C for 30 min., multiple cycles
- Chemicals: Cartridges are compatible with most chemical sanitizing agents.
- Note: Stainless steel insert option required for all cartridges being hot water sanitized or steam sterilized
Toxicity
All polypropylene components meet the specifications for biological safety per USP Class VI – 121˚C for plastics.
Flow Rate vs Pressure Drop
Dimensions
- Length: 10 to 40 inches (25.4 to 101.6 cm) nominal
- Outside Diameter: 2.70 inches (7.0 cm) nominal
Food Safety Compliance
Materials of construction comply with FDA regulations for food and beverage contact use as detailed in the US Code of Federal Regulations, 21 CFR. Materials used to produce filter media and hardware are deemed safe for use in contact with foodstuffs in accordance with EU Directives 2002/72/EC, 1935/2004, and/or 10/2011.
PSH-Series Overview
The highly asymmetric membrane pore structure provides a high flow rate at a low-pressure drop. Constructed using high-purity polypropylene hardware and support layers. PSH-Series cartridges offer outstanding performance value. Manufactured in a clean-room environment to maintain high standards of purity and cleanliness