Oil Purification products
Air Compressor Filter
Air Compressor Inline Filter
Water purification equipment
Air Purification Products
Brand Name: FAUDI
Model Number: K.4-559
Nominal filtration rating:0.3μm
Application:natural gas purification, diesel processing and aviation kerosene storage for efficient oil-water separation.
Operating pressure:
Working temperature: -30 ℃ ~ 100 ℃
Replacement or not:Replacement
Overview
Our replacement FAUDI K.4-559 coalescer filter is a professional aftermarket coalescing filter element designed for original FAUDI filtration systems. Developed according to the original K-series coalescer structural standards and aviation fuel filtration specifications, this substitute realizes basic matching with original equipment housings. It effectively solves the common disadvantages of genuine FAUDI original parts including high import cost, long delivery cycle and out-of-stock problems. With stable oil-water coalescence separation and impurity interception performance, this filter is fully applicable for long-term continuous working in aviation, oil depot and petrochemical industries, featuring high stability and cost performance.
1. Aviation Fuel Coalescing Filtration: Used for jet fuel and aviation kerosene dehydration and purification in airport refueling trucks, underground hydrant systems and aviation fuel depots. The coalescing structure efficiently separates emulsified free water and fine particles to protect aircraft engines and fuel supply pipelines.
2. Oil Depot & Refinery Filtration: Suitable for coalescence filtration of diesel, gasoline and kerosene during tank unloading and pipeline transportation, removing mixed water and impurities in bulk oil to reduce tank sediment and equipment corrosion.
3. Petrochemical Medium Filtration: Applicable for light hydrocarbon, solvent oil and industrial fuel filtration. With optional FKM seals, it adapts to chemical media and avoids seal swelling or leakage.
4. Mobile Fuel Equipment: Stably used for fuel coalescing purification of mining refueling vehicles, construction machinery fuel stations and marine fuel separators, adapting to vibration and variable flow working conditions.

Basic Equipment Adaptability: This replacement coalescer filter basically matches the original size, end cap structure and sealing groove of FAUDI K.4-559. It can be installed in most original filter housings without major equipment modification.
Standard Coalescing Performance: Adopts professional gradient hydrophobic coalescing media. The demulsification, coalescing and interception performance fully reaches the original level, ensuring consistent fuel cleanliness and water removal effect.
Stable Service Life: Optimized media folding structure improves dirt holding capacity, slows down differential pressure rise, and maintains longer stable service life than ordinary generic filters.
Flexible Material Matching: Compared with the single configuration of original filters, it supports NBR and FKM dual sealing options to adapt to different oil and chemical media.
Cost & Supply Advantage: No long import lead time. Standard K.4-559 coalescer filters are in stock for fast delivery, effectively reducing customers’ long-term spare parts procurement cost.
Optional Available Models
-Series A / Y Series
A.1-559, A.1-842, A.3-842, A.4-727, A.6-467, A.6-842
Y.1-842/5, Y.4-467/5, Y.4-559/5, Y.4-842/5, Y.6-362/5, Y.6-559/5, Y.7-362/5, Y.7-842/5, Y.7-1422/5
-MIL Series
MIL.1-842, MIL.3-467, MIL.3-559, MIL.3-842, MIL.3-965, MIL.4-279, MIL.4-362, MIL.4-559, MIL.4-727, MIL.4-842, MIL.4-965, MIL.4-1093,
MIL.4-1422, MIL.6-362, MIL.6-559, MIL.6-842, MIL.7-362, MIL.7-559, MIL.7-727, MIL.7-842, MIL.7-965, MIL.7-1093, MIL.7-1422
-K Series
K.1-842, K.3-467, K.3-559, K.3-842, K.3-965, K.4-279, K.4-362, K.4-559, K.4-727, K.4-842, K.4-965, K.4-1093, K.4-1422, K.7-362, K.7-559, K.7-727,
K.7-842, K.7-965, K.7-1093, K.7-1422
-P Series
P.1-842, P.3-467, P.3-559, P.3-842, P.3-965, P.4-279, P.4-362, P.4-559, P.4-727, P.4-842, P.4-965, P.4-1093, P.4-1422, P.7-362, P.7-559, P.7-727, P.7-842,
P.7-965, P.7-1093, P.7-1422
-D & DC Series
D.1-362, D.1-842, D.6-467
DC.1-842-xx, DC.4-279-xx, DC.4-362-xx, DC.4-559-xx, DC.4-727-xx, DC.4-842-xx, DC.4-1093-xx, DC.4-1422-xx, DC.7-362-xx, DC.7-559-xx,
DC.7-727-xx, DC.7-842-xx, DC.7-1093-xx, DC.7-1422-xx
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