Dual-Purpose FAUDI P.3-842 Coalescing Filter | Medium-Flow Static & Dynamic Fuel Purification

LEFILTER high-performance replacement FAUDI P.3-842 coalescing filter delivers balanced medium-flow filtration and reliable water-oil separation for both stationary fuel facilities and dynamic mobile refueling systems. Fully compliant with EI 1581 aviation-grade filtration standards, this P.3-series element fills the performance gap between compact P1 models and heavy-duty P7 filters, offering optimized flow throughput and moderate dirt holding capacity for universal fuel purification scenarios. Every dimensional tolerance, in-to-out flow structure and NBR sealing interface strictly matches original FAUDI specifications, enabling seamless drop-in replacement without equipment upgrades or operational adjustments. Engineered with balanced gradient fiber media and dual-condition structural stability, our P.3-842 replacement maintains consistent filtration efficiency under both steady-state station operation and intermittent vibrating mobile working modes.

The FAUDI P.3-842 serves as the universal dual-purpose core element in the FAUDI P-series lineup. Unlike P.1-842 purely compact anti-vibration design or heavy-duty P.7 series focused on ultra-large flow, P.3-842 features a medium-size optimized media area, perfectly adapting to mixed working conditions of fixed fuel skids, semi-mobile refueling carts and medium-volume depot purification systems. It effectively solves common fuel contamination issues including fine suspended particles, aged oxide impurities and moderately emulsified water, which cause fuel turbidity, meter inaccuracy and valve jamming in daily fuel operation. Its balanced structural design ensures stable purification output whether under long-term static operation or frequent start-stop dynamic vibration.

Balanced Dual-Mode Coalescing Principle

FAUDI P.3-842 adopts an upgraded dual-adaptive three-stage gradient filtration system, specially calibrated for both static and dynamic fuel processing environments. The outer coarse fiber buffer layer performs uniform flow distribution and pre-filtration, intercepting large-scale rust, scale and sediment to avoid local media blockage, while resisting flow impact and slight vibration interference during mobile operation.

The middle transition layer adjusts fluid velocity and eliminates turbulent flow, creating stable conditions for micro-droplet polymerization. The inner high-hydrophilic precision glass fiber layer captures micron-level emulsified water and tiny solid particles. Under static steady flow, micro-droplets fully collide and merge by molecular tension; under dynamic vibration, slight equipment jitter accelerates droplet aggregation. The enlarged water beads rapidly separate from hydrocarbon fluid via gravity settling, delivering consistently clean fuel for downstream systems in all working modes.

Unique Structural & Material Advantages

1. Balanced Gradient Adaptive Fiber Media

P.3-842 adopts custom dual-mode borosilicate glass fiber composite media with balanced density layout. It combines the vibration resistance of compact P-series elements and the high throughput of medium-flow filters, maintaining stable demulsification and particle interception efficiency in both static and dynamic scenarios. No fiber shedding, media fatigue or performance attenuation occurs during long-cycle mixed operation.

2. Multi-Scenario Reinforced End Cap & Standard Sealing System

High-strength composite polyamide end caps enhance structural toughness, resisting pressure fluctuation and vibration loosening in complex working conditions. Matched with original-equipment-grade thickened NBR gaskets, the filter achieves lasting zero-leakage sealing performance under temperature cycling and intermittent operation, fully compatible with standard FAUDI filter housings.

3. Anti-Fatigue Support Structure & Integrated Hot-Melt Bonding

Epoxy-coated corrosion-resistant steel support tube improves overall structural rigidity, preventing media deformation under alternating differential pressure. Full perimeter hot-melt integral sealing eliminates adhesive gaps and aging risks, ensuring structural integrity and stable filtration performance for 24-hour continuous operation and frequent start-stop working cycles.

Full FAUDI Interchangeable Filter Series 

A Series: A.1-559、A.1-842、A.3-842、A.4-727、A.4-842、A.6-467、A.6-842

Y Series: 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.6-842/5、Y.7-362/5、Y.7-842/5、Y.7-1422/5

MIL Series: MIL.6-362、MIL.6-559、MIL.6-842、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.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

Multi-Scenario Application Fields

Designed for universal dual-condition application, the LEFILTER FAUDI P.3-842 coalescing filter is widely applied in medium-scale fixed fuel depots, semi-mobile refueling carts, skid-mounted fuel purification systems and general petrochemical fluid processing units. It stably removes fine solid contaminants and emulsified water impurities in mixed operating modes, ensuring consistent fuel quality for both long-term stationary production and intermittent field refueling operations. It effectively protects downstream flow meters, control valves and fuel delivery systems from abrasion, corrosion and fluid turbulence damage.

Core Product Advantages

Every FAUDI P.3-842 filter undergoes strict bubble point testing and alternating pressure-vibration endurance testing before delivery, ensuring 100% dimensional and performance interchangeability with original FAUDI components. Its greatest advantage lies in universal adaptability, balancing medium flow rate, proper dirt holding capacity and dual-mode stability, avoiding the limitations of single-scenario filter elements. It reduces model stocking pressure for multi-condition projects and lowers overall equipment maintenance costs. We support full FAUDI series one-stop procurement, sufficient spot inventory and fast global bulk delivery.

Customized FAQ for FAUDI P.3-842

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