Description
Emflon PFRW junior style cartridges are sterilizing grade hydrophobic membrane filters designed to provide reliable retention of bacteria and bacteriophages in compressed gas and vent applications. They are suited to handle small gas flow rates in compact installations.
The Pall Emflon PFRW filter family has been expanded to include small configurations to address the full range of gas filtration needs of the food and beverage industry. These filter elements feature Pall’s advanced 0.2 micron polytetrafluoroethylene (PTFE) double-layer membranes, pleated with high area into single open-end cartridges. They are built to withstand adverse in-situ steaming conditions in either the forward or reverse direction.
Even in the presence of high humidity or moisture, often the case in practice, Emflon PFRW cartridges provide sterile effluent and validated performance, ensuring process security. They are the cartridge of choice for small flow critical sterile gas applications.
The Pall Emflon PFRW filter family has been expanded to include small configurations to address the full range of gas filtration needs of the food and beverage industry. These filter elements feature Pall’s advanced 0.2 micron polytetrafluoroethylene (PTFE) double-layer membranes, pleated with high area into single open-end cartridges. They are built to withstand adverse in-situ steaming conditions in either the forward or reverse direction.
Even in the presence of high humidity or moisture, often the case in practice, Emflon PFRW cartridges provide sterile effluent and validated performance, ensuring process security. They are the cartridge of choice for small flow critical sterile gas applications.
| Features | Benefits |
| Strongly hydrophobic 100% PTFE membranes | Prevents wetting out in humid conditions, even after repeated use and steaming cycles, allowing for unimpeded gas throughput |
| High area pleated, robust double-layer membranes | High throughputs and low pressure drops, resulting in compact footprint and long life Excellent resistance to mechanical damage |
| Multi-cycle in situ steam challenged | Enhanced steaming resistance |
| 0.2 micron sterilizing grade filters based on liquid bacteria removal | Provides sterile effluent even in humid conditions, resulting in optimal protection of product, improved fermentation yields, and increased security in aseptic processes |
| Water Intrusion Testable (WIT) | Simplifies in situ integrity testing |
| 100% integrity tested prior to dispatch | Documented quality |
| Individually serialized modules | Full traceability to materials and production records |
Specifications
Materials of Construction
| Component | Description |
| Filter Medium | Double-layer PTFE |
| Support / Drainage | Polypropylene |
| Cage, Core, and Flat Closed End Cap | Polypropylene |
| Adaptor | |
| MCY1110PFRW MCY3330PFRW MCY4440PFRW | Polypropylene |
| MCY2230PFRW MCY4463PFRW | Polypropylene with stainless steel reinforcing ring |
| O-ring Seal | Silicone Elastomer Ethylene Propylene Rubber |
Technical Information
The technical information provided is based on controlled laboratory tests done on typical production filters at the conditions described, unless otherwise indicated. Actual operating conditions may affect the filter's performance.Operating Characteristics in Compatible Gases1,2
| Maximum Differential Pressure | Operating Temperature |
| 5.3 bard (77 psid) (forward) | ≤50 °C (122 °F) |
| 4.1 bard (60 psid) (forward) | ≤80 °C (176 °F) |
1 Air, nitrogen, or other compatible gases.
2 For maximum life at operating temperatures > 60 °C (140 °F), Emflon HTPFRW filters are recommended.
Autoclave and Steaming3
| Filter Configuration | Cumulative Steaming Resistance4 | |
| Forward | Reverse | |
| MCY1110PFRW MCY3330PFRW MCY4440PFRW | 100 hours @ 142ºC (287ºF) | 10 hours @ 125ºC (257ºF) |
| MCY2230PFRW | 50 hours @ 142ºC (287ºF) | 10 hours @ 125ºC (257ºF) |
| MCY4463PFRW | 100 hours @ 142ºC (287ºF) | 10 hours @ 125ºC (257ºF) |
| Steaming Differential Pressure | ||
| Forward | Reverse | |
| All Filter Configurations | 0.3 bar (4.3 psid) max. | 0.3 bar (4.3 psid) max. |
3 Cartridges should be cooled to system operating temperature prior to use.
4 Steam life validated using one hour steam cycles. Data shown for forward steam flow also indicates autoclave resistance.
Typical Flow Rates5
| Vent Conditions – Nm3/hour (scfm) | ||||
| Differential Pressure | ||||
| Filter Configuration | 50 mbar (0.7 psid) | 100 mbar (1.5 psid) | 150 mbar (2.2 psid) | 200 mbar (2.9 psid) |
| MCY1110PFRW | 4 (2) | 7 (4) | 10 (6) | 13 (8) |
| MCY3330PFRW | 11 (6) | 21 (12) | 30 (18) | 39 (23) |
| MCY4440PFRW | 14 (8) | 26 (15) | — | — |
| MCY2230PFRW | 10 (6) | 20 (12) | 30 (18) | 40 (24) |
| MCY4463PFRW | 22 (13) | 44 (26) | 69 (41) | 96 (57) |
| 2 bar Supply Pressure – Nm3/hour (scfm) | ||||
| Differential Pressure | ||||
| Filter Configuration | 50 mbar (0.7 psid) | 100 mbar (1.5 psid) | 150 mbar (2.2 psid) | 200 mbar (2.9 psid) |
| MCY1110PFRW | 6 (4) | 12 (7) | 17 (10) | 22 (13) |
| MCY3330PFRW | 19 (11) | 36 (21) | 49 (29) | — |
| MCY4440PFRW | 23 (14) | 42 (25) | — | — |
| MCY2230PFRW | 19 (11) | 33 (19) | 46 (27) | 57 (34) |
| MCY4463PFRW | 39 (23) | 64 (38) | 83 (49) | 99 (58) |
5 Typical flow rates per indicated cartridge type, air at 20 °C (68 °F) at the clean differential pressure drops indicated. Pressure drops are for filter elements only. To obtain the total pressure drop of a complete assembly the housing pressure drop must be added. For gases other than air, please contact Pall for proper sizing.
Performance
Removal Performance
Emflon PFRW filters have a microbial removal rating of 0.2 micron in liquids and a particulate removal rating of 0.003 micron in dry gases.- Tested with Brevundimonas diminuta liquid challenge at ≥107 cfu/cm2 effective filtration area, according to ASTM Method 838-05. Provides sterile effluent according to FDA Guidelines (2004)
- Tested in accordance with ISO 8573-4 and test method ISO 12500-3:20096.
- MS-2 and PP7 bacteriophage aerosol challenge
- Airborne sodium chloride aerosol challenge
- Brevundimonas diminuta aerosol challenge in forward and reverse direction and under long term challenge conditions in forward direction with humidified air
- Bacillus subtilis var niger spores aerosol challenge
6 For further details, please contact Pall.
Type
Filter Cartridges
Ordering Information
This information is a guide to the part numbering structure and possible options. For availability of specific options and housing details, please contact Pall.
See bold reference code in tables.
Example Part Number: MCY4463PFRWH4
Part Number: MCY [Table 1] PFR W [Table 2]
MCY4440PFRW (left) and MCY4463PFRW (right)
See bold reference code in tables.
Example Part Number: MCY4463PFRWH4
Part Number: MCY [Table 1] PFR W [Table 2]
Table 1: Nominal Dimensions and Adaptor Description
| Code | Length | Filter Area | Adaptor |
| 1110 | 32 mm (1.3 inch) | 0.05 m2 (0.53 ft2) | Plug seal with locking tabs and double external o-rings |
| 3330 | 82 mm (3.2 inch) | 0.17 m2 (1.82 ft2) | |
| 4440 | 105 mm (4.1 inch) | 0.23 m2 (2.47 ft2) | |
| 2230 | 76 mm (3 inch) | 0.14 m2 (1.51 ft2) | Internal plug seal with single 116 o-ring |
| 4463 | 136 mm (5.3 inch) | 0.28 m2 (3.01 ft2) | |
Table 2: O-ring Seal Material
| Code | Description |
| H4 | Silicone Elastomer |
| J | Ethylene Propylene Rubber |
MCY4440PFRW (left) and MCY4463PFRW (right)
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