Liquid Cartridge Filters | Technical Guide

Liquid Cartridge Filters

Pleated, membrane, depth, wound, and carbon cartridges for liquid processing

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Cartridge Filtration Overview

Cartridge filters remove particles, microorganisms, and dissolved organics from liquids. You select media and geometry based on fluid, load, and target quality.

This page highlights stocked elements with DOE and Code 7 connections, from sterile PES to high capacity depth and carbon blocks.

PES Membrane Sterile

Hydrophilic PES, absolute rated

Technology

PES asymmetric membrane with graded porosity. Sterile grade for microbial control.

Key Specs

Micron: 0.1 to 0.45 µm

Lengths: 5 to 40 in

End cap: Code 7, DOE

Use: Sterile filtration, beverage, pharma

Donaldson PES-WN 30 in 0.2 µm SIFA Mem PES 30 in Code 7 Browse PES and surface media

PP Pleated Surface

High area, low pressure drop

Technology

Multi layer polypropylene pleats. High dirt capacity with stable flow.

Key Specs

Micron: 0.1 to 100 µm

Max temp: 80 °C

End cap: DOE, Code 7

Use: Water, chemicals, food

SIFA PPP and PPG range Vana Pleat 20 in DOE Vana Pleat 20 in Jumbo

Depth RB Resin Bonded

Three dimensional retention

Technology

Rigid resin bonded fibrous matrix. High solids loading and stable delta P.

Key Specs

Micron: 1 to 150 µm

Lengths: 9.75 to 40 in

Capacity: Very high

End cap: DOE

Depth RB category Depth RB 39 in 10 µm Depth RB 9.75 in 5 µm

Wound String

Cost effective particulate control

Technology

Precision wound polypropylene on rigid core. Graded density along depth.

Key Specs

Max temp: 120 °C

Micron: 1 to 100 µm

End cap: DOE

Use: Pre filtration, RO guard

Vana Wound 30 in 50 µm Vana Wound 20 in 25 µm Vana Wound 10 in 1 µm

Activated Carbon

Adsorption of chlorine and VOC

Technology

Sintered carbon block and packed carbon elements. High surface area for dissolved organics.

Key Specs

Targets: Chlorine, taste, odor, VOC

Flow: Needs contact time

Change: Up to 6 months

Formats: Slim and Jumbo

Gross 10 in Carbon Block Gross 20 in Carbon Block Vana AC 20 in Jumbo

Pleated Jumbo

High area, high flow format

Technology

Pleated PP media in Jumbo geometry for higher flow per element.

Key Specs

Lengths: 10 and 20 in Jumbo

Micron: 0.35 µm typical and up

Flow: Low pressure drop

End cap: DOE

Vana Pleat 10 in Jumbo Vana Pleat 20 in Jumbo

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Cartridge Technology Comparison

Characteristic	PES Membrane	PP Pleated	Depth RB	Wound	Carbon Block
Primary Mechanism	Sterile membrane retention	Surface retention	Depth retention	Graded depth	Adsorption
Micron Range	0.1 to 0.45 µm	0.1 to 100 µm	1 to 150 µm	1 to 100 µm	Nanoscale adsorption
Flow Resistance	Moderate	Low	Moderate	Low to moderate	Needs contact time
Dirt Capacity	Medium	High	Very high	High	Medium
Typical Use	Sterile, final filtration	Quality polishing	High solids pre filtration	Economical pre filtration	Taste, odor, chlorine
End Connections	Code 7, DOE	DOE, Code 7	DOE	DOE	Slim and Jumbo

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Quick Selection

High Bioburden

Goal: Sterile retention to 0.2 µm

Pick: PES Membrane Code 7

High Throughput

Goal: Low delta P and long life

Pick: PP Pleated or Depth RB

Taste and Odor

Goal: Chlorine and VOC reduction

Pick: Activated Carbon Block

Technical information provided by Nordic Filtration ApS

For detailed specifications or documentation, visit our webshop:

nordicfiltration.com for business products

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