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Depth Vent Filter
Depth Vent Filter Depth Vent Filter
Depth Vent Filter Depth Vent Filter

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Depth Vent Filter

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  • SFT/H-DS

  • Pharma&Biotech, Food & Beverage, Laboratory

  • Disc Filters

  • Cellulose, Diatomite

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Depth Stack Filter -  Advanced Mixed Cellulose Media for Enhanced Clarification


The  SFT/H-DS Series Depth Vent Filter comprises a composite of high-purity cellulose, inorganic filter aids, and resin. It is used to deal with filtration of small batch fluid, such as gas, air, mobile phase, sample injection, etc


Depth Disc Filter manufacture for oil



FOOD & BEVERAGE

• Wine Clarification and Filtration

• Edible Oil Clarification and Filtration

• Antibiotic Clarification Filtration



Compliance: FDA 21 CFR 177.2440 & 1520; NSF/ANSI 42 & 61; EU 1935/2004

Recommend Series: SFT/H-DS


Depth Disc Filter manufacture for Pharma&Biotech





PHARMA&BIOTECH

• Clarification and Filtration of Animal Vaccines

• Clarification and Filtration of Cell Culture Lysate



Compliance: USP Class VI, ISO 13485, cGMP, FDA (DMF)

Recommend Series: SFT/H-DS



Depth Disc Filter manufacture for Laboratory





LABORATORY

• Sterile Filtration and Sterilization of Solutions

• Sample Clarification and Particle Removal

• Particle Separation and Enrichment



Compliance: USP Class VI, ISO 13485, cGMP, FDA (DMF)，FDA 21 CFR 177.2440 & 1520; NSF/ANSI 42 & 61; EU 1935/2004

Recommend Series: SFT/H-DS






Complete Depth Filtration Solutions Available

depth stack filter




BENEFITS OF DEPTH VENT FILTER

• Advanced Composite Structure

Proprietary blend of cellulose and inorganic filter aids creates optimized pore channels for superior particle retention

• Enhanced Loading Capacity

Rigid inorganic components provide structural support for exceptional dirt holding capability without media compaction

• Optimized Flow Characteristics

Graded density profile ensures minimal pressure drop with consistent flow rates throughout service life



MATERIALS OF CONSTRUCTION

Filter Material
Cellulose, Diatomite, Synthetic Resin

Core PP
Inlet/Outlet
1.5″Sanitary  Tri-clamp（TC）
6-13mm Hose Barb


PERFORMANCE CHARACTERISTICS

Max. Operating Temperatur

＜40 ℃

Max. Differential Pressur

4.0 bar (23 ℃)





SERIES MATERIAL RATING(μm)
SFH-DS Cellulose 0.5-0.8um


3.0-6.0μm


6.0-15μm




download Depth Vent Filter from LOONG Filtration.pdf


How can LOONG Filtration ensure the quality of products?

LOONG Filtration has sent our products to authoritative organizations to do tests, and you can check all the certificates on our product quality page.


Are LOONG’s filter cartridges  Pharmaceutical Compliant?

Yes, they mostly are.Most of our filter cartridges are certified according to FDA and GMP regulation EC 2023/2006.Please contact us to get the detailed certification.


What is the benefit if you use LOONG filtration filter cartridge in Life Science industry?

LOONG Filtration’s solutions are deeply integrated across key stages of drug development and production.Our filtration materials are FDA-compliant and meet USP biosafety standards, while our cleanrooms adhere to ISO 9001 and GMP guidelines. We empower you to accelerate process scaling, shorten time-to-market, boost production efficiency, and cut costs—turning scientific breakthroughs into life-changing therapies faster.


What kind of construction configurations are LOONG’s filter cartridges available in?

LOONG’s filter cartridges are available in 4 different construction configurations: depth, pleated, pleated-depth and string-wound or spiral-wound.


Do you offer validation support for regulated industries?

Yes, we provide documentation and technical support for validation processes in industries like pharmaceuticals, life sciences, and food & beverage to ensure compliance and traceability.


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