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Stainless Steel Disc Filter
Stainless Steel Disc Filter Stainless Steel Disc Filter

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Stainless Steel Disc Filter

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  • LP

  • Pharma&Biotech, Microelectronics, Food & Beverage, Fine Chemical, Laboratory

  • Filter Housings

  • Metal

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0.3μm Ultra-Smooth Surface Sanitary Stainless Steel Disc Filter for Lab & Small Scale Processes


This series of Filter Housing is engineered for laboratory and small-scale process applications, featuring exceptional surface finishes with 0.3μm internal and 0.4μm external polish, plus optional electropolishing for absolute sanitary standards. The fully demountable design ensures thorough cleaning and prevents cross-contamination. Beyond standard single-layer membrane configuration, it offers optional double-layer membrane filtration to significantly expand application scope. With compact design and flexible configuration, this filter serves as an ideal solution for biologics clarification and sterilization filtration, particularly suited for R&D and small batch production requirements.


APPLICATIONS
•  Biologics R&D: Laboratory-scale clarification and sterilization filtration for vaccines, antibodies, and other biological products

• Pharmaceutical Process Development: Small-batch sample processing and parameter optimization during drug development

• Academic Research: Reliable laboratory filtration solutions for universities and research institutions

• Pilot Scale Production: Transitional filtration equipment during process scaling from lab to pilot scale

• Fine Chemical Processing: Precision filtration and purification for high-value chemicals in small-scale operations



BENEFITS OF STAINLESS STEEL DISC FILTER

• Exceptional Surface Finish

Ultra-smooth surfaces with 0.3μm internal polish and optional electropolishing minimize contamination risks

• Easy Maintenance & Cleaning

Fully demountable structure allows quick disassembly without special tools for thorough cleaning

• Flexible Multi-layer Filtration

Supports single or double membrane configurations for adaptable filtration solutions

• Compact Footprint

Optimized Disc design delivers efficient filtration in limited spaces, ideal for laboratory environments


MATERIALS OF CONSTRUCTION

Housing
SUS316L
Exhaust and Drainage Valve
SUS316L
Support Screen
Five Layers of Sintered Mesh
Outlet Body
SUS316L
Support Colum
SUS30
Seal
Silicone, EPDM, TEV


OPERATING CONDITIONS 

Max.  Temperature
150 ℃


CONNECTION

Inlet/Outlet
1" Tri-Clamp, Ferrule 50.5 mm
Exhaust and Drainage Valv
4 mm inner bore， connect with 8 mm hose






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 Disc Filter Housing from LOONG Filtration.pdf


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.

 

If contaminants are found downstream of the filter, what could be the reasons?

Possible reasons include: damaged filter element (cracked or perforated); poor sealing between the filter element and the housing, resulting in "bypass"; introduction of new contaminants during installation; or selection of inappropriate filtration precision.

 

How to handle filter housing leakage?

Shut down the machine and relieve pressure immediately. Check whether the sealing surface of the housing is damaged and whether the O-ring is aged, worn, or improperly installed. Replace with qualified seals and retighten the bolts (in accordance with the torque and sequence recommended by the manufacturer).


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