Double Polyether Sulfone Sterilizing Filter Cartridge
The DHPS series filter cartridge use unique double-layer hydrophilic Polyethersulfone (PES) membrane, which has super filtration performance and reliable bacteria interception ability, which establishes a new benchmark for sterilization filtration, can withstand repeated steam sterilization, meet the filtration requirements of the pharmaceutical process.
Product Features
Double-layer membrane design, the pre-filtration layer is an asymmetric Polyethersulfone (PES) membrane, which provides longer service life and effectively reduces the system cost.
Double-layer guarantee increases the filter safety factor by more than 10 times
Large effective filtration area, excellent long life, low cost characteristics
Robust structure, proven to withstand 50 sterilization cycles
Wide chemical compatibility, pH working range 1-14
100% integrity test before delivery
Typical Applications
Liquid sterilization filtration
Sterile raw material liquid sterilization filtration
Sterile filtration of ophthalmic preparations
Filtration of biological vaccines, plasma and serum
Chinese medicine injection filtration
Product Material and Technical Parameters
| Filter media | Double Polyethersulfone (PSE) membrane |
| Support/Drainage | Polypropylene (PP) |
| Cage/Core/End Cap | Polypropylene (PP) |
| Max. Operating Temperature | 90°C |
| Max. Operating Differential Pressure | 4.0 bar / 21°C
2.4 bar / 90°C |
| Maximum Operating Differential Pressure (reverse direction) | 2bar/21ºC |
| Steam Sterilization | 121ºC/30min
Online maximum pressure 0.3bar |
| Filtration Area | 0.6-0.7m2/10" |
| Cleaning Method | 2%NaOH Liquid<65ºC |
| Biological Safety | Every 10 inches of dissolved matter<30mg
Endotoxin<0.25EU/ml |
Integrity Test
| Diffusion Test(10"@23ºC) | 2210
=0.22+0.1μm | 2222
=0.22+0.22μm | 4522
=0.45+0.22μm | 4545
=0.45+0.45μm | 6545
=0.65+0.45μm |
≤25ml/min
@0.3MPa | ≤15ml/min
@0.275MPa | ≤25ml/min
@0.275MPa | ≤15ml/min
@0.16MPa | ≤25ml/min
@0.16MPa |
Ordering Information
DHPS 2210 10 C1 S
| Series | Filter Precision | Length | End Cap Type | Seal Material |
| | 2210 | =0.22+0.1μm | 05 | =5" | C1 | =226/Spear | P | =FEP |
| | 2222 | =0.22+0.22μm | 10 | =10" | C3 | =222/Spear | E | =EPDM |
| DHPS | 4522 | =0.45+0.22μm | 20 | =20" | C6 | =226/Flat | S | =Silicone |
| | 4545 | =0.45+0.45μm | 30 | =30" | C9 | =DOE | V | =Viton |
| | 6545 | =0.65+0.45μm | 40 | =40" | | | | |
