Product Overview
Facet SM-318FA-5 belongs to the SM-series FA universal standard separator class. The SM product line is designed for general industrial working conditions, balancing stable filtration performance and competitive procurement cost. As a compact FA standard model, it is widely adopted in low-to-medium flow fuel separation equipment where ultra-high precision is not mandatory yet stable water separation is required.
The filter media undergoes permanent hydrophobic treatment to repel free water and avoid fuel secondary emulsification. Integral epoxy end cap sealing prevents fluid bypass and short-circuit filtration. The lightweight reinforced inner support tube maintains structural stability under normal pressure fluctuation. For users with conventional fuel purification demands, SM-318FA-5 delivers consistent long-cycle operation performance without excessive cost input, making it one of the most versatile general-purpose elements within the Facet interchangeable product matrix.

Working Principle
SM-318FA-5 works based on classic Facet inside-out hydrophobic repulsion separation mechanism:
1. Fuel mixed with coalesced water droplets flows radially from inner core to outer filter layer.
2. FA-grade hydrophobic fiber structure repels all free water and blocks water penetration.
3. Only dry, qualified jet fuel, diesel and light hydrocarbon fluids pass through smoothly.
4. Captured water accumulates on the outer surface, converges and settles by gravity to finish fuel-water separation.
Core Features
- FA universal standard grade: Suitable for conventional medium-small flow fuel purification scenarios
- SM-series economical design: Stable basic separation performance with favorable cost performance
- Permanent hydrophobic media: Reliable water blocking effect, inhibit fuel emulsification
- Compact and reasonable layout: Perfect fit for small-size Facet separation housings
- Integral leak-proof sealing: Eliminate bypass leakage and guarantee filtration efficiency
- Fully interchangeable with original: Direct installation without equipment modification

Full Facet ST/SS/SM Series 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
Application Scenarios
SM-318FA-5 separation elements are widely applied in small and medium-flow fuel purification systems, including modular fuel skids, small-scale aviation fuel stations, industrial auxiliary fuel supply pipelines and commercial bulk fuel dispensary facilities. It serves as reliable secondary separation equipment to remove free water and particulate impurities, protecting downstream pumps, control valves and metering instruments against corrosion and abrasive wear.
Product Advantages
1. SM-series economical configuration, stable basic separation performance with competitive cost
2. Compact dimension, perfectly matched for small-size Facet separation housings
3. Stable low pressure drop, suitable for long-term continuous medium-small flow operation
4. Simple installation and maintenance, plug-and-play replacement without modification
5. Complete ST/SS/SM series Facet separator filters available for one-stop procurement
FAQ
Q: What is the positioning difference of SM series compared with ST and SS series?
A: SM series is oriented to general conventional working conditions, providing stable standard separation performance with better cost advantages, while SS series adopts upgraded synthetic media for higher stability, and ST series is the standard original matching model.
Q: Is SM-318FA-5 interchangeable with ST318FA-5?
A: They share consistent installation dimensions and can be mutually replaced, differing mainly in media formula and application positioning.
Q: What kind of working conditions is SM-318FA-5 suitable for?
A: Ideal for medium-small flow, stable load conventional fuel purification systems without ultra-high precision requirements.
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- Model: Facet SM-318FA-5
- Series: SM-Series FA Universal Hydrophobic Separator
- Execution Standard: API-1581 5th Edition
- Flow Direction: Inside to Outside
- Filter Media: Hydrophobic borosilicate glass fiber
- Operating Temperature: -30℃ ~ +80℃
- Maximum 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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