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High Performance Point-of-Use Filters Ensure Printhead Protection from Contamination and Optimum Printer Performance
The Acro® Last Chance Filter (LCF) is a self-contained filter assembly for point-of-use filtration in digital printing systems. It is designed to be used together with any of Pall's larger capsules in large systems or as a stand-alone filter in smaller systems. A laboratory-size filter is also available for testing new ink formulations and conducting printing trials.HDC® II and Rigimesh® media options are available for the Acro LCF. HDC II media is all polypropylene and has a tapered pore structure. It provides good flow rates, long service life, and excellent gel retention. Rigimesh media is a sintered woven stainless steel wire mesh structure that provides excellent chemical compatibility across a wide range of ink chemistries.
Features
- Economical and compact point-of-use filter for digital printers
- Specially selected connections for fast filter changes
- Available in three sizes, for a wide range of applications
- Housing material optimized for maximum blockage of UV light
- Media selected for maximum performance in ink jet systems
- Designed to be used together with another Pall capsule or as a stand-alone filter
| Features | Advantages | Value |
| Manufactured using Pall's Premium Syringe Filter technology (Acro 25 LCF) | Large effective filter area in a compact design | Can handle a wide range of flow rates without printhead starvation |
| UV-light-resistant housing materials (Acro 25 LCF, Acro 37 LCF) | Negligible UV light penetration into the filter assembly (<0.02%) | Helps prevent curing of UV-sensitive materials |
| Low internal ink hold-up volume | Minimal ink required for flow | Rapid ink system priming cycles |
| Economical construction | Minor impact on initial build and maintenance costs | Performance improvement with minimal impact on cost |
| All versions feature all–polypropylene construction | Good compatibility across a wide range of ink jet ink chemistries | One filter design can be applied universally across multiple printer families |
| Luer-Lok1 compatible and compression fitting connectors on both inlet and outlet | Secure inlet and outlet connections with positive sealing architecture | Minimal chance for leakage; fast filter changes |
| No binders, glues, or mold release agents used | Low extractables | Good chemical compatibility; economical disposal |
1 Luer-Lok is a trademark of Becton, Dickinson & Company; Jaco is a trademark of Jaco Manufacturing Company.
Performance
Typical Liquid Flow Rate versus Differential Pressure (at 1 cps)
Acro 25 LCF at 1 cps
Acro 37 LCF at 1 cps
Typical Liquid Flow Rate versus Differential Pressure (at 10 cps)
Acro 25 LCF at 10 cps
Acro 37 LCF at 10 cps
Unit conversion: 1 bar = 100 kilopascals
Additional Information
Filter Media Options
Two Pall filter media options are currently offered.| HDC II Media | Rigimesh Media |
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Acro 25 Last Chance Filters
Opaque White Housing
| Materials of Construction | |
| Housing | Polypropylene with white colorant |
| Filter media | Polypropylene |
| Effective filter area | 3.9 cm2 / 0.6 in2 |
| Operating Conditions2 | |
| Maximum allowable pressure | 40 psig @ 68°F 2.76 barg @ 20°C |
| Dimensions | |
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|
Acro 37 Last Chance Filters
Opaque White Housing
| Materials of Construction | |
| Housing | Polypropylene with white colorant |
| Filter media | Polypropylene or 300 series stainless steel |
| Effective filter area | 7.5 cm2 / 1.16 in2 |
| Operating Conditions2 | |
| Maximum allowable pressure | 30 psig @ 68°F 2.1 barg @ 20°C |
| Dimensions - Luer-Lok compatible variant | |
 |
|
Opaque Black Housing
| Materials of Construction | |
| Housing | Polypropylene with black colorant |
| Filter media | Polypropylene or 300 series stainless steel |
| Effective filter area | 7.5 cm2 / 1.16 in2 |
| Operating Conditions2 | |
| Maximum allowable pressure | 1.9 barg / 27 psig @ 20 °C / 68 °F |
| Dimensions - Jaco1 variant | |
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|
Acro 50 Last Chance Filters
Standard Housing
| Materials of Construction | |
| Housing | Natural polypropylene |
| Filter media | Polypropylene |
| Effective filter area | 19.6 cm2 / 3.04 in2 |
| Operating Conditions2 | |
| Maximum allowable pressure | 2.1 barg / 30 psig @ 20 °C / 68 °F |
| Dimensions | |
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|
1 Luer-Lok is a trademark of Becton, Dickinson & Company; Jaco is a trademark of Jaco Manufacturing Company.
2 Fluids that do not soften, swell or adversely affect the filter or materials of construction.
Ordering Information
Ordering Information / Part Numbers3
LCF-10000 Series Filters
| Acro 25 Last Chance Filter with opaque white polypropylene housing (packaged 50 units per pack) |
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| Part Number | Media | Connection |
| LCF-11100 | HDC II (6 μm) | Female Luer-Lok compatible |
| LCF-12100 | HDC II (10 μm) | Female Luer-Lok compatible |
| LCF-13100 | HDC II (20 μm) | Female Luer-Lok compatible |
LCF-20000 Series Filters
| Acro 37 Last Chance Filter with opaque white polypropylene housing (packaged 50 units per pack) |
||
| Part Number | Media | Connection |
| LCF-21100 | HDC II (6 μm) | Female Luer-Lok compatible |
| LCF-22100 | HDC II (10 μm) | Female Luer-Lok compatible |
| LCF-23100 | HDC II (20 μm) | Female Luer-Lok compatible |
| LCF-24100 | Rigimesh (18 μm) | Female Luer-Lok compatible |
| LCF-21200 | HDC II (6 μm) | 1⁄8 in. Jaco fitting |
| LCF-22200 | HDC II (10 μm) | 1⁄8 in. Jaco fitting |
| LCF-23200 | HDC II (20 μm) | 1⁄8 in. Jaco fitting |
| LCF-24200 | Rigimesh (18 μm) | 1⁄8 in. Jaco fitting |
| Acro 37 Last Chance Filter with opaque black polypropylene housing (packaged 50 units per pack) |
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| Part Number | Media | Connection |
| LCF-21110 | HDC II (6 μm) | Female Luer-Lok compatible |
| LCF-22110 | HDC II (10 μm) | Female Luer-Lok compatible |
| LCF-23110 | HDC II (20 μm) | Female Luer-Lok compatible |
| LCF-24110 | Rigimesh (18 μm) | Female Luer-Lok compatible |
| LCF-23210 | HDC II (20 μm) | 1⁄8 in. Jaco fitting |
| LCF-24210 | Rigimesh (18 μm) | 1⁄8 in. Jaco fitting |
LCF-30000 Series Filters
| Acro 50 Last Chance Filter with natural polypropylene housing (packaged 18 units per box) |
||
| Part Number | Media | Connection |
| LCF-31300 | HDC II (6 μm) | 1⁄4 in. Jaco fitting |
| LCF-32300 | HDC II (10 μm) | 1⁄4 in. Jaco fitting |
| LCF-33300 | HDC II (20 μm) | 1⁄4 in. Jaco fitting |
3 This is a guide to the part numbering structure only. For availability of specific options, please contact your local Pall representative.
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