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Stainless Steel Security Filter
Stainless Steel Security Filter Stainless Steel Security Filter

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Stainless Steel Security Filter

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  • LE

  • Microelectronics, Fine Chemical, Water Treatment

  • Filter Housings

  • Metal

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Stainless Steel Security Filter Pre-filtration Protection for Membrane Systems


This filter housing is designed to protect sensitive membrane systems in water treatment. Installed between pretreatment and RO/UF units, it captures fine particles such as quartz sand and activated carbon fines to prevent membrane damage. By using appropriate cartridges (e.g., PP melt-blown), it offers tailored protection that extends membrane life and ensures stable system operation.


APPLICATIONS

• RO System Protection: Installed upstream of reverse osmosis systems to prevent membrane scratching and fouling

• UF Pretreatment: Provides safety assurance for ultrafiltration units by intercepting sharp particles

• Industrial Process Water: Precision pretreatment for process water in electronics and power industries

• Food & Beverage Processing: Final precision filtration in beverage water treatment ensuring water safety

• Pharmaceutical Water Systems: Critical protection device in purified water systems preventing particulate contamination

• Circulating Water Treatment: Particle control in industrial cooling water systems protecting heat exchange equipment




BENEFITS OF STAINLESS STEEL SECURITY FILTER

• Reliable Membrane Protection

Precision filtration mechanism effectively blocks fine particles, providing reliable protection for expensive membrane elements

• Optimized Hydraulic Design

Rational internal flow path design ensures low pressure drop, high flux, and energy-efficient operation

• Broad Media Compatibility

Supports various cartridges including PP melt-blown and glass fiber for different water qualities and accuracy requirements

• Convenient Maintenance

Quick-open design facilitates easy cartridge replacement and cleaning, significantly reducing maintenance time

• Corrosion-Resistant Construction

All stainless steel material resists acids, alkalis, and high temperatures, suitable for harsh industrial environments


MATERIALS OF CONSTRUCTION

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


OPERATING CONDITIONS 

Max.  Temperature
140 ℃
Max. Differential Pressure
8 bar


CONNECTION

Inlet/Outlet
Flange/Tri-Clamp/Thread
Gauge port
Flange/Tri-Clamp/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 Security Filter Housing from LOONG Filtration.pdf


How to select the appropriate industrial filter for my application?

Filter selection needs to consider multiple factors:

• Fluid type: Water, oil, air, chemicals, etc.?

• Flow rate and pressure: The operating flow rate and pressure range of the system.

• Filtration precision: The required cleanliness level.

• Fluid compatibility: The filter element and housing materials must withstand the chemical properties of the fluid (such as pH value, temperature).

• Contaminant type: Particles, moisture, oil mist, or bacteria?

If you still have some questions, please contact LOONG Filtration, we will provide the professional guidance to you. 


Can the filter housing be reused?

Yes, filter housings are usually designed for reuse. However, every time the filter element is replaced, the interior of the housing must be thoroughly cleaned and inspected for corrosion or damage.


Can we get in touch with technicians directly?

Yes, of course. LOONG Filtration is willing to help our customers solve specific technical problems. To improvethe communication efficiency, we would let our technicians answer the questions directly.

 


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

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