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Stainless Steel Bag Filter Housing
Stainless Steel Bag Filter Housing Stainless Steel Bag Filter Housing

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Stainless Steel Bag Filter Housing

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  • LD

  • Food & Beverage, Fine Chemical

  • Filter Housings

  • Metal

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High Capacity Stainless Steel Bag Filter Housing for Chemical Process Applications


This Stainless Steel Bag Filter Housing (304/316L) utilizes heat-sealed filter bags and a leak-proof seal for reliable containment. Its multi-bag design increases filtration area and dirt-holding capacity, while optional internal coatings enhance corrosion resistance. Compatible with single or multiple bags—including functional types like activated carbon—it supports flexible configurations for impurity removal and fluid refinement in fine chemical processing.


APPLICATIONS

• Fine Chemical Production: Clarification filtration for various fine chemicals, ensuring product purity and quality consistency

• Plating Solution Recycling: Filtration of impurities in electroplating baths, extending solution life and improving coating quality

• Paint & Ink Purification: Removal of particulate matter in paint and ink production, ensuring product fineness and uniformity

• Pharmaceutical Intermediate Filtration: Precision filtration during pharmaceutical intermediate synthesis, preventing impurity interference

• Industrial Wastewater Pretreatment: Preliminary filtration of high-concentration wastewater, reducing load on downstream treatment systems



BENEFITS OF STAINLESS STEEL BAG FILTER HOUSING

• Enhanced Filtration Efficiency

Multi-bag parallel design offers large filtration area, enabling high-speed processing and extended operation with reduced downtime

• Reliable Sealing Performance

Unique structural design combined with quality sealing materials ensures leak-free operation under high pressure, guaranteeing operational safety

• Superior Corrosion Resistance

Optional internal coating or lining significantly enhances equipment durability against highly corrosive chemical media

• Flexible Configuration Options

Supports flexible single to multi-bag arrangements, compatible with various bag types including plastic and metal ring designs

• Convenient Maintenance Operation

Optimized cover opening mechanism allows quick and easy bag replacement, significantly reducing maintenance time and labor costs


MATERIALS OF CONSTRUCTION

Housing
SUS304/316L stainless steel
Screen Holder 304/316L Stainless Steel
Seal
Silicone/EPDM/Viton/TEV


OPERATING CONDITIONS 

Max.  Temperature
150 ℃
Max. Differential Pressure
8 bar


CONNECTION

Inlet/Outlet
Flange/Tri-Clamp/Thread
Gauge port
Thread




MATERIAL LINING NO. of FILTERS CONNECTION LENGTH(IN) SEAL INLET/OUTLET
304 Without 1 222 10'' Silicone Tri-Clamp DN25
316 PTFE 3 226 20'' EPDM Tri-Clamp DN40
WCB（Mild Steel） FPA 4 M20 30'' Viton Tri-Clamp DN50
PPH（Homopolymer PP） Fluorine 7 3M 40'' TEV Flange DN25

Butyronitrile 25 PARKER
Butyronitrile Flange DN40

PE 150 PALL
PTFE Flange DN50



PHOSPHOR

Flange DN80



38-5

Flange DN150






DIN Flange DN40

SERIES MATERIAL RATING(μm) LENGTH(in) SEAL SUPPORT
D-HFA PP 0.45μm 20'' SilFlange DN25icone PP

GF 1.0μm 30'' EPDM GF

PBT 5.0μm 40'' Butyronitrile PBT

304 10μm 60'' Viton Outer Cage

316L



SERIES MATERIAL RATING(μm) LENGTH(in) SEAL SUPPORT
D-HFA PP 0.45μm 20'' Silicone PP

GF 1.0μm 30'' EPDM GF

PBT 5.0μm 40'' Butyronitrile PBT

304 10μm 60'' Viton Outer Cage

316L




SERIES MATERIAL RATING(μm) LENGTH(in) SEAL SUPPORT
HFA PP 0.45μm 20'' Silicone PP

GF 1.0μm 30'' EPDM GF

PBT 5.0μm 40'' Butyronitrile PBT

304 10μm 60'' Viton Outer Cage

316L



download Stainless Steel Bag Filter Housing from LOONG Filtration.pdf


What certifications can your filters provide?

Typical certifications for LOONG Filtration filters include material certificates conforming to EN 10204-3.1 standard, qualification certificates, pressure test certificates, leak test certificates, and certificate of origin.

 

What precautions should be taken when installing a filter?

• Ensure that the fluid flow direction is consistent with the arrow marked on the filter housing.

• Ensure the installation location facilitates maintenance and filter element replacement.

• Before connecting the pipeline, purge the pipeline to prevent contaminants such as welding slag from directly impacting the filter element.

• Before installation, check whether seals such as O-rings are intact and properly positioned.

 

How often should I replace the filter element?

There is no fixed schedule. The optimal replacement time depends on the actual working conditions. The main basis is the pressure differential. When the pressure differential reaches the maximum value recommended by the manufacturer, the filter element should be replaced immediately. An estimated replacement cycle can also be formulated based on the operating time or changes in the quality of downstream products.



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Address: 19.Building 12, No. 42, Tianhe Road, Donghu Street, Linping, Hangzhou, Zhejiang,P.R. China

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