Acro® Last Chance Filters product photo Primary L

Acro® Last Chance Filters

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.


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Description

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 25 LCF at 1 cps

Acro 37 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 25 LCF at 10 cps

Acro 37 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
  • All polypropylene media with tapered pore structure
  • Thick media structure for excellent gel retention in UV-curable inks
  • Available in three beta-rated removal ratings
  • 300-series stainless steel media for excellent ink compatibility
  • Woven mesh structure that is sintered for strength
  • High porosity for very low pressure loss
 

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
Dimensions
 

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
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
Dimensions - Jaco variant
 

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
Dimensions
 
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)
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) 18 in. Jaco fitting
LCF-22200 HDC II (10 μm) 18 in. Jaco fitting
LCF-23200 HDC II (20 μm) 18 in. Jaco fitting
LCF-24200 Rigimesh (18 μm) 18 in. Jaco fitting
 
Acro 37 Last Chance Filter with opaque black polypropylene housing
(packaged 50 units per pack)
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) 18 in. Jaco fitting
LCF-24210 Rigimesh (18 μm) 18 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) 14 in. Jaco fitting
LCF-32300 HDC II (10 μm) 14 in. Jaco fitting
LCF-33300 HDC II (20 μm) 14 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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