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Landpac Industrial Park,
42000 Port Klang,
Selangor, Malaysia.
+603-3165 2090
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High Flow Particulate Filter for Diesel Fuel

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High Flow Particulate Filter for Diesel Fuel High Flow Fuel and Oil Filtration Racor

Diesel fuel is stored and transferred multiple times from refining to dispensing. Preventative action does not always eliminate contamination. Common contaminants introduced during transportation include both extremely fine and abrasive silica as well as pipe scale. These contaminants can quickly deteriorate fuel quality below engine manufacturer standards, reducing the durability and performance of the engine.

Velcon’s DFI filters transform contaminated fuels to meet stringent downstream ISO 4406 cleanliness standards for the demanding limits placed on diesel. The DFI design balances high surface area and depth filtration to maximize filter life which reduces filtration costs.


- Reduced operating costs by removing particulates that can cause engine damage
- Reliable fuel injector performance when particulate contaminants are removed
to meet ISO 4406 Cleanliness Standards
- Improved equipment uptime, reduces equipment failures, repairs, and/or replacements

Tiered Ratings

To meet industry fuel quality standards, Velcon developed pleated media filters for diesel and biodiesel fuels. In accordance with ISO standards, the DFI filters were designed with tiered media classification. Each media tier provides a unique solution from managing fuel contamination to final fuel conditioning.

DFI filters with ratings of 2 and 4 micron are the ultimate solution to condition fuel for dispensing while assuring ISO 4406 Cleanliness Standards are consistently met. Each progressively tighter DFI filter rating delivers additional particle removal and fuel cleanliness; therefore progressively lower ISO 4406 particle counts.

The mid-range DFI filters of 6 and 10 micron extend filter life following secondary conditioning by removing particulate contaminants and allowing Velcon’s downstream coalescing products to focus on water separation rather than particle removal.

The DFI filters rated at 25 and 40 micron are the ideal solution to manage contaminated fuel entering and leaving terminal storage tanks throughout the fuel transferring process.

Product Specifications
- All filter components compatible with diesel and biodiesel blends
- Recommended change out pressure: 25 psid (1.7 bar)
- Buna-N sealing materials are standard
- Max. Operating Temperature.: 225°F (107°C)
- Lengths: 40, 60 in
- Outside Diameter: 6 in
- Micron Ratings: 2, 4, 6, 10, 25, 40

Velcon recommends use of threaded base endcaps for ease of installation and to minimize additional hardware components.

Performance Characteristics
Filter Type Particulate
Maximum Operating Temperature (C) 107
Maximum Operating Temperature (F) 225
Maximum Burst Pressure (psi) 75
Maximum Burst Pressure (bar) 5.2
Changeout Pressure Differential (PSI) 25
Changeout Pressure Differential (Bar) 1.7
pH Range (Continuous Operation) 5 - 9
Brand Velcon
Flow Rate Depends on fluid viscosity and application. See brochure for more information.
Application Diesel

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