What Is a Flange Dust Filter Element?
A Flange Dust Filter Element is a precision-engineered filtration component designed to capture fine dust particles and airborne contaminants from industrial process air. It serves as the core filtering unit inside dust collectors, air purification systems and industrial ventilation units.
The “flange” refers to the circular rim or collar at one end of the filter cartridge that which allows for secure mounting and sealing within the housing. This flange structure ensures easy installation, leak-free performance and reliable operation under high air pressure conditions.
Why Flange Dust Filter Element Is Unique Among Dust Collection Systems
Compared to standard cylindrical or pleated filters, the flange dust filter element stands out due to its:
· Quick installation and replacement design.
· Superior sealing performance to prevent dust leakage.
· Customizable dimensions for different dust collector models.
· High filtration efficiency and longer service life due to advanced filter media technology.
This combination makes it a preferred choice in high-load industrial environments like cement plants, steel mills, chemical industries, and powder processing facilities.
Types of Flange Dust Filter Elements
Type No. | Flange Diameter (mm) | Length (mm) | Filter Media | Efficiency | Max. Temp (°C) |
FDFE-01 | 140 | 300 | Polyester | 99.8% | 120 |
FDFE-02 | 150 | 320 | PTFE-coated Polyester | 99.99% | 150 |
FDFE-03 | 160 | 340 | Nanofiber | 99.95% | 130 |
FDFE-04 | 170 | 360 | Cellulose | 98.5% | 100 |
FDFE-05 | 180 | 380 | Antistatic Polyester | 99.9% | 110 |
FDFE-06 | 190 | 400 | PTFE + Mesh | 99.99% | 180 |
FDFE-07 | 200 | 420 | Synthetic Fiber | 99.5% | 100 |
FDFE-08 | 210 | 440 | Polypropylene | 99% | 90 |
FDFE-09 | 220 | 460 | Laminated Media | 99.9% | 160 |
FDFE-10 | 230 | 480 | Polyester/Nano | 99.95% | 120 |
Why Dust Filters Are Necessary for Air Pollution Control
Dust filters play a vital role in maintaining a healthy industrial environment and complying with environmental standards. They:
Capture fine particulate matters (PM2.5 and smaller).
Prevent harmful dust emissions from entering the atmosphere.
Protect machinery and equipment from abrasive dust.
Enhance workplace air quality and protect worker health.
Support sustainability and emission control compliance.
In short, industrial dust filters are indispensable for efficient air pollution control and environmental protection.
Flange Dust Filter Element - Model FDF-150-FF
Flange Size | Pressure Rating | Temp Range | Flow Rate | Filter Efficiency |
DN150 | 16 Bar | -20°C to 180°C | 1200 m³/h | 99.98% @ 1µm |
6" ANSI | PN16 | 250°C Max | 1400 Max | ISO 16890 |
185 mm | 40 Bar Burst | 180°C Operating | 950 Min | 99.95% @ 0.5µm |
Material Spec | Dimensions | Weight Data | Installation | Service Life |
304 SS Cage | 600 mm Length | 12.5 kg Total | 8×Ø18 mm Holes | 8000 Hours |
PTFE Media | 650 mm Height | 3.5 m² Area | 80 Nm Torque | 36 Months |
FKM Seal | 185 mm BCD | 16 Gauge | 2 Lifting Lugs | 8 Cycles |
Performance | Standards | Compliance | Cost | Lead Time |
120 Pa ΔP | ISO 2941 | ISO 9001 | $420 USD | 7 Days |
1 µm Rating | ISO 16890 | RoHS Yes | MOQ 10 | 5 Emergency |
25k MTBF | EN 1822 | CE Yes | <$400 100+ | 2 Express |
Flange Dust Filter Element Installation Method
The flange filter cartridge can be installed in two main configurations:
Top-Loaded System: The filter is inserted from the clean-air side and secured with bolts through the flange.
Bottom-Loaded System: Installed from the dirty-air side, with the flange creating an airtight seal against the collector’s plate.
A high-quality rubber gasket or O-ring between the flange and sealing surface prevents air leakage, ensuring efficient operation.
Material Properties of Flange Dust Filter Element
Filter Media: Polyester, PTFE-coated, Cellulose, or Nanofiber composite
Flange Material: Galvanized steel or stainless steel
Core Support: Perforated galvanized sheet or stainless tube
Sealing Gaskets: Silicone or EPDM for dust-tight sealing
Finish: Anti-corrosive, heat-resistant coating
Standard Physical & Mechanical Properties
Property | Unit | Typical Value | Description |
Filtration Efficiency | % | 99.9 | Captures fine dust particles |
Air Flow Rate | m³/h | 500–1500 | Based on size and media |
Operating Temperature | °C | 80–120 | Up to 200°C custom |
Pressure Drop | Pa | ≤ 180 | Low resistance during operation |
Moisture Resistance | % RH | ≤ 80 | Stable under high humidity |
Mechanical Strength | kPa | ≥ 250 | Excellent burst resistance |
Core Components
Flange Mounting Ring – Provides robust sealing and fixation.
Filter Media Layer – Captures and retains contaminants.
Inner Core (Perforated Support Tube) – Ensures air distribution and strength.
End Caps – Seal both ends and enhance durability.
Gasket/O-ring – Prevents air leakage.
Protective Outer Mesh (Optional) – Protects pleats from mechanical wear.
How It Works | Working Mechanism
Contaminated Air Intake: Polluted air enters the dust collector housing.
Filtration Process: Dust particles are trapped on the outside surface of the pleated filter media.
Clean Air Release: Clean air passes through the core and exits into the environment.
Self-Cleaning Mechanism: Periodic pulse jet cleaning removes dustcake from the surface, maintaining air permeability and performance.
The flange structure ensures that the element remains airtight and mechanically stable throughout operation.
Main Features of Flange Dust Filter Element
Durable flange-mounted connection ensures superior sealing.
High dust holding capacity and extended operational life.
Easy replacement and maintenance with quick-mount design.
Custom size and media options for all applications.
Stable performance under high airflow and vibration.
Effective pulse cleaning for continuous filtration efficiency.
Eco-friendly and reusable designs available.
Why HEBEIOUTAI Filter Elements Lead the Industry
At HEBEIOUTAI ENVIRONMENTAL PROTECTION EQUIPMENT CO., LTD., we are one of the leading industrial filter cartridge suppliers in China with decades of experience in air pollution control.
We guarantee:
100% quality inspection before shipment.
Advanced manufacturing technology and imported filter media.
Compliance with ISO and CE industrial standards.
OEM/ODM customization available.
Global service support and technical consultation.
Manufacturing Process of Flange Dust Filter Element
Filter Media Selection → choose suitable filtration layer.
Pleating Process → formed pleats increase surface area.
Flange Formation & Welding → precise CNC machining ensures exact fit.
Core Tube Assembly → added for stability and airflow.
End Cap Bonding → ensures perfect sealing.
Gasket Installation → creates airtight interface.
Testing & Inspection → each filter undergoes pressure and efficiency tests.
Packaging & Delivery → anti-static and dust-proof packaging.
FAQs
Q1: What industries use flange dust filter elements?
A1: Cement, steel, food, pharmaceutical, chemical, metal processing, and woodworking industries commonly use them.
Q2: Can the filter be customized?
A2: Yes, size, material, flange type, and efficiency can all be customized.
Q3: What is the typical lifespan?
A3: The filter lasts 8,000–14,000 hours, depending on environment and cleaning system.
Q4: Is it suitable for high-temperature applications?
A4: Yes, PTFE and stainless steel designs can handle temperatures up to 200°C.
Q5: Does HEBEIOUTAI offer OEM support?
A5: Absolutely. We provide OEM/ODM services with technical consultation and global delivery.
