LF Series High-Flow Pleated Filter Cartridge

The LF Series High-Flow Pleated Filter Cartridge is designed for industrial liquid filtration applications requiring high flow capacity and reliable particle removal. Its pleated filtration structure provides a large effective filtration area, helping maintain stable flow while reducing cartridge replacement frequency. It is suitable for water treatment, process filtration, and demanding industrial systems.

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The LF series high-flow-rate pleated Filter Cartridges use a deep-layer, fine acrylic fiber membrane as the flow material. A single cartridge can have a maximum filtration area exceeding 8m², with a flow rate of up to 60m³/h. It features both internal and external pressure flow directions, and the stepped filtration system ensures that all contaminant particles are trapped inside the filter cartridge, making it widely applicable in various fields. This reduces the requirements for filter size and the number of cartridges needed, significantly saving on equipment and labor costs, and making operation more convenient.

Design parameters

Specifications (diameter * length)	Design flow rate (m³/h)	Maximum flow rate (m³/h)	Filter area (m3)
6"×20"	15	40	3.3
6"×40"	30	80	6.5
6"×60"	45	110	8.5

Material Structure

model	PP	GF
Lacquerware	Deeply folded polypropylene	Resin-based synthetic glass fiber/polyester
Support/Guide Layer	polypropylene	Polyester
End cap	Glass fiber reinforced polypropylene	Glass fiber reinforced polypropylene
outer protective sleeve	polypropylene	Polyester

Interface type

LF	P	40	PP	0050	N	S	A
LF	type	length	Material	accuracy	sealing ring	Appearance	Interface
	P	20=20"	PP	0010=1μm	E = EPDM	S = skeleton	A
	K	40=40"	GF	0030=3μm	S = Silicone rubber	B = wrapping tape	B
	M	60=60"		0050=5μm	F = Fluororubber	W = Sleeve
				0100=10μm	N = Nitrile rubber
				0150=15μm
				0250=25μm
				0400=40μm
				0700=70μm

Working characteristics

Maximum operating temperature	80℃
Maximum working pressure difference	0.58Mpa@20℃
It is recommended to replace the differential pressure.	0.15Mpa@20℃

Typical application scenarios

Filtration of power plant makeup water, condensate, and stator cooling water

Reverse osmosis (RO) system pretreatment

Seawater Desalination pretreatment

Deionized water pre-filtration

Filtration of process water in petrochemical and other industries