
PSS® Porous Metal Filter Cartridges
Features
- All-stainless steel construction
- Controlled and fixed pore size
- PH grade for clean steam
- Up to 2x life of competitive filters
- High pressure and corrosion resistant
- Withstands high reverse-flows
- High-temperature capabilities
- Repeatedly cleanable
- No soluble polymeric extractables
- No unloading or shedding
- Absolute rated for reliable performance
- ISO 9000 Certified Quality System
- Manufactured for use in conformance with cGMP
- FDA-listed materials per 21 CFR
Materials of Construction
- Medium: Type 316L stainless steel1
- End Caps: Type 316 stainless steel1
- Gasket: Buna-N (Standard)2
Configuration3
Double open-ended (DOE), flat gasket sealsDiameter (Nominal Dimensions)
- P Series: 2.5 in. (64 mm)
- S Series: 2.38 in. (60.5 mm)
Operating Conditions
- Maximum Differential Pressure4: Forward and Reverse Flow Direction, 3.4 bard (50 psid) to 232 °C (450 °F)
Recommended Maximum Flow Densities5
Grade | Aqueous L/min (gal/min) | Air Nm3/hr (acfm) |
P Series | ||
PD | 3.5 (0.9) | 13 (80) |
PE | 2.5 (0.7) | 9.5 (60) |
PF | 2.1 (0.6) | 7.9 (50) |
PH | 1.4 (0.4) | 6.3 (40) |
P09 | 1.1 (0.3) | 4.7 (30) |
P05 | 0.7 (0.2) | 1.6 (10) |
S Sereis | ||
S350 | 3.5 (0.9) | 13 (80) |
S200 | 2.5 (0.7) | 7.9 (50) |
S100 | 1.8 (0.5) | 6.3 (40) |
S050 | 1.1 (0.3) | 3.2 (20) |
Typical Liquid Flow Rates6

1Other grades and alloys available
2Other Polymers available.
3 Single open-ended AB sanitary and threaded styles available.
4Minimum collapse differential pressure. Temperature limit with Buna-N gaskets: 121 °C (250 °F). Other gasket materials to 232 °C (450 °F). For temperatures to 316 °C (600 °F), or in other alloys to 677 °C (1250 °F), contact your local Pall distributor.
5 Ratings are absolute particulate in liquids and gases. Aqueous water, 1 cp and air flows per 10 in. (254 mm) cartridge.
6 Typical initial clean medium ∆P per 10 in. (254 mm) element, water at 20 °C (68 °F), 1 cp. For assistance in sizing and housing selection, contact your local Pall representative.
Part Number: MBS100 < Length Code from Table 1 >< Liquid Rating from Table 2 > < Gasket Code from Table 3 >
Table 1 - Length
Code | Nominal Length | Filter Area |
1 | 10 in. (254 mm) | 0.05 m2 (0.5 ft2) |
2 | 20 in. (508 mm) | 0.09 m2 (1.0 ft2) |
3 | 30 in. (762 mm) | 0.14 m2 (1.5 ft2) |
Table 2 - Liquid and Gas Rating
Code | Liquid Ratings7 | Gas Ratings7 |
PD | 55 μm | 20 μm |
PE | 35 μm | 11 μm |
PF | 20 μm | 2.8 μm |
PH | 13 μm | 1.3 μm |
P09 | 9 μm | 0.8 μm |
P05 | 5 μm | 0.4 μm |
S35 | 35 μm | 11 μm |
S200 | 20 μm | 2.8 μm |
S100 | 10 μm | 0.8 μm |
S050 | 5 μm | 0.4 μm |
Table 3 - Gasket Options
Code | Gasket Options |
H13 | Buna-N gaskets (Standard) |
H | Viton8 |
J | Ethylene Propylene |
J7 | Ethylene Propylene (Steam Service) |