Particle-reduction filtration
PPguard® polypropylene cartridge filters
Pleated, all-polypropylene cartridge configurations for compatible liquid and gas filtration applications.
Product overview
PPguard uses thermally bonded polypropylene media and structural components. Its range of retention ratings and standard cartridge lengths supports application-specific prefiltration and particle-reduction duties. Selection should consider the process fluid, contaminant profile, required retention, flow, differential pressure, temperature and cleaning or sterilization method.
Available configurations
| Filter medium | Polypropylene |
|---|---|
| Retention ratings | 0.2, 0.4, 0.6, 0.8, 1, 2, 3, 5, 8, 10, 20, 50 and 99 µm |
| Nominal diameter | 2.75 in (7 cm) |
| Nominal lengths | 10, 20, 30 and 40 in (25, 50, 75 and 100 cm) |
| Seal options | Polyethylene gasket or silicone O-ring; confirm connection and seal configuration |
Materials of construction
| Media and supports | Polypropylene |
|---|---|
| Core, outer guard and end caps | Polypropylene |
| Sealing method | Thermal bonding |
Operating limits
| Differential pressure | 80 psi (5.5 bar) at 32–100 °F (0–38 °C); 60 psi (4.1 bar) at 150 °F (66 °C); 30 psi (2.1 bar) at 180 °F (82 °C) |
|---|---|
| Steam-in-place | Saturated steam at 121–125 °C for 30–60 minutes, subject to approved configuration and procedure |
| Autoclave | 121–135 °C for 30–60 minutes, subject to approved configuration and procedure |
For SIP or autoclave service, confirm the stainless-steel reinforcement-ring option and permitted cycle count before ordering.
Typical application discussions
- Process-water and compatible chemical filtration
- Pharmaceutical and bioprocess prefiltration
- Food, beverage and cosmetic process filtration
- Compatible air, gas, ink, coating and industrial-fluid duties
Selection limitations
Published ratings and limits do not establish suitability for every process. Chemical compatibility, extractables, retention performance, connections, sterilization cycles and any market-specific documentation must be assessed for the selected configuration.
Selection support
Discuss your PPguard configuration.
Share the process fluid, particle target, flow, operating conditions, housing connection and documentation needs.