Replacement Facet ST412FC-5 Fuel Separator Filter Element

LEFILTER replacement Facet ST412FC-5 is a high-precision FC-type hydrophobic fuel separator filter element, specially developed for Facet industrial fuel water separator systems. As a core secondary separation component, the ST412FC-5 adopts professional permanent hydrophobic glass fiber media, featuring fine filtration grade and stable water-blocking performance. It thoroughly intercepts residual free water and tiny fine particles after primary coalescence, effectively eliminating fuel emulsification and turbidity. With compact structure, low pressure drop and high separation accuracy, this element is widely applicable for medium and small-flow fuel purification in aviation fuel depots, industrial fuel stations and petrochemical fuel processing systems, achieving 100% interchangeable plug-and-play replacement for original Facet filter elements.

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Replacement Facet ST412FC-5 Fuel Separator Filter Element
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Product Introduction

Product Overview

Facet ST412FC-5 belongs to the classic ST-FC precision separator series, different from FA/FB/FD conventional models. The FC suffix stands for fine-grade precision separation structure, focusing on high-cleanliness fuel treatment requirements.
Compared with standard FA-type separators, ST412FC-5 features optimized fiber density and uniform pore structure, which can more accurately block micro residual water that ordinary separators cannot intercept. It matches perfectly with Facet standard separator housings, serving as the final guarantee of fuel cleanliness in two-stage coalescence-separation systems.

Our LEFILTER aftermarket ST412FC-5 separator adopts integral all-epoxy sealing and thickened anti-collapse support tube, effectively avoiding bypass leakage and media deformation under long-term fluctuating pressure, ensuring stable and consistent separation effect throughout the service cycle.


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Working Principle

ST412FC-5 follows the exclusive hydrophobic water-repellent separation principle of Facet secondary separators:

  1. The fuel mixed with coalesced large water droplets flows from inside to outside through the separator element.

  2. The special hydrophobic fiber layer completely repels all water droplets, prohibiting water penetration.

  3. Only dry, qualified jet fuel, diesel and light hydrocarbon fuel pass through the media smoothly.

  4. Blocked water droplets gather on the outer surface, slide down by gravity and settle in the bottom water sump, realizing complete fuel-water separation.

Product Features

  • FC fine precision grade, higher water-blocking accuracy than standard FA type

  • Permanent hydrophobic fiber media, long-term zero water penetration

  • Compact and reasonable structural design, low system pressure loss

  • Integral epoxy sealing, no bypass leakage and no fuel short circuit

  • Reinforced internal steel core, anti-deformation under pressure fluctuation

  • Stable 24/7 continuous operation performance

  • Fully compatible with original Facet ST412FC-5 filter housing


Full Facet Separator Filter Complete Model List

ST Series

ST318FA-5, ST324FA-5, ST412FC-5, ST415FB-5, ST417FB-5, ST422FC-5, ST424FB-5, ST430FB-5, ST432FC-5, ST436FB-5, ST609FB-5, ST609FF-5, ST611FD-5, ST612FB-5, ST614FD-5, ST616FD-5, ST618FB-5, ST622FD-5, ST624FB-5, ST624FE-5, ST624FF-5, ST629FD-5, ST630FB-5, ST630FD-5, ST630FE-5, ST630FF-5, ST633FB-5, ST633FD-5, ST636FB-5, ST636FD-5, ST636FE-5, ST636FF-5, ST638FD-5, ST640FD-5, ST640FE-5, ST640FF-5, ST643FD-5, ST644FB-5, ST644FD-5, ST644FE-5, ST644FF-5, ST648FD-5, ST648FE-5, ST648FF-5, ST656FB-5, ST656FF-5

SS Series

SS318FA-5, SS324FA-5, SS412FC-5, SS415FB-5, SS417FB-5, SS422FC-5, SS424FB-5, SS430FB-5, SS432FC-5, SS436FB-5, SS609FB-5, SS609FF-5, SS611FD-5, SS612FB-5, SS614FD-5, SS616FD-5, SS618FB-5, SS622FD-5, SS624FB-5, SS624FE-5, SS624FF-5, SS629FD-5, SS630FB-5, SS630FD-5, SS630FE-5, SS630FF-5, SS633FB-5, SS633FD-5, SS636FB-5, SS636FD-5, SS636FE-5, SS636FF-5, SS638FD-5, SS640FD-5, SS640FE-5, SS640FF-5, SS643FD-5, SS644FB-5, SS644FD-5, SS644FE-5, SS644FF-5, SS648FD-5, SS648FE-5, SS648FF-5, SS656FB-5, SS656FF-5

SM Series

SM-318FA-5, SM-324FA-5, SM-412FC-5, SM-415FB-5, SM-417FB-5, SM-422FC-5, SM-424FB-5, SM-430FB-5, SM-432FC-5, SM-436FB-5, SM-09FB-5, SM-09FF-5, SM-11FD-5, SM-12FB-5, SM-14FD-5, SM-16FD-5, SM-18FB-5, SM-22FD-5, SM-24FB-5, SM-24FE-5, SM-24FF-5, SM-29FD-5, SM-30FB-5, SM-30FD-5, SM-30FE-5, SM-33FB-5, SM-33FD-5, SM-36FB-5, SM-36FD-5, SM-36FE-5, SM-36FF-5, SM-38FD-5, SM-40FD-5, SM-40FE-5, SM-40FF-5, SM-43FB-5, SM-43FD-5, SM-44FB-5, SM-44FD-5, SM-44FE-5, SM-44FF-5, SM-48FD-5, SM-48FF-5, SM-56FB-5, SM-56FF-5

Applications

Precision aviation fuel supply systems, small and medium fuel terminal stations, petrochemical fine fuel processing, industrial fuel skid-mounted equipment, marine fuel auxiliary purification systems and Facet matched fuel separator vessels.

Product Advantages

  1. FC fine precision grade, higher purification accuracy than conventional separator elements

  2. Strict OEM dimensional standards, direct drop-in replacement for original Facet equipment

  3. Excellent hydrophobic performance, completely blocking free water to ensure dry fuel output

  4. Low pressure drop design, saving long-term system operating energy consumption

  5. Full ST/SS/SM series Facet separators in stock for one-stop matching procurement

FAQ

Q: What is the feature of ST412FC-5 compared with FA/FB models?
A: ST412FC-5 is a fine precision FC grade separator, with stricter fiber pore size control, better interception effect on micro residual water, suitable for high fuel cleanliness standard working conditions.
Q: Does LEFILTER ST412FC-5 match original Facet equipment?
A: 100% compatible in size, structure and performance, no modification required, plug and play.
Q: What is the function of FC-type separator filter?
A: It is used for secondary fuel-water separation after coalescer, removing residual free water and fine impurities to improve finished fuel purity.

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Product Technical Parameters

Model: Facet ST412FC-5

  • Series: Facet ST Series FC Precision Separator

  • Flow Direction: Inside to Outside

  • Media: Hydrophobic borosilicate glass fiber

  • Working Temperature: -30℃ ~ +80℃

  • Max Differential Pressure: 5.0 bar

  • Recommended Replacement DP: 0.9 bar

  • Applicable Media: Aviation jet fuel, diesel, gasoline, light industrial hydrocarbons

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