Product Overview
Facet SM-33FD-5 belongs to the SM-series high-flow FD durable separation category. Compared with other FD models such as SM-29FD-5 and SM-30FD-5, this element is optimized with a larger effective filtration area and open fiber structure, ensuring unobstructed high-flow fuel passage while retaining excellent water separation and anti-clogging capabilities.
The whole filter media undergoes professional permanent hydrophobic modification, maintaining stable water-repellent performance under long-term high-flow fuel scouring and effectively preventing fuel secondary emulsification. The integrated integral epoxy end cap sealing eliminates bypass filtration and dead filtration zones, while the thickened reinforced inner support structure resists pressure impact and media deformation under high-flow operating conditions. Balancing high flow efficiency, long operational lifespan and economical cost, SM-33FD-5 fills the demand gap for high-throughput and low-maintenance filter elements in the SM series.

Working Principle
SM-33FD-5 adopts Facet’s mature high-flow adaptive hydrophobic separation mechanism:
1. High-flow fuel mixed with free water droplets and fine solid impurities passes through the primary coalescer and flows radially from inside to outside.
2. FD-grade durable high-flow fiber structure efficiently intercepts all free water and fine contaminants without blocking fluid passage.
3. Qualified dry jet fuel, diesel and light hydrocarbon media pass through the filter layer rapidly with ultra-low pressure drop.
4. Captured water droplets aggregate on the media surface, form large water masses and settle by gravity to complete efficient fuel-water separation.
Core Features
- High-flow FD exclusive grade: Larger filtration area, adapted to high-throughput fuel systems
- Ultra-long service life: Anti-fatigue and anti-scouring media, reduce replacement frequency greatly
- Stable hydrophobic performance: Permanent water repellency, effectively avoid fuel emulsification
- Ultra-low pressure drop design: No flow restriction under high-load continuous operation
- Full sealed leak-proof structure: 100% effective filtration coverage without bypass
- Complete OEM interchangeability: Direct plug-and-play replacement 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-33FD-5 high-flow long-life separation elements are widely used in high-throughput fuel purification scenarios, including medium and large-scale oil depot fuel refining systems, industrial high-flow fuel transfer pipelines, skid-mounted large-volume fuel supply equipment and power station fuel pretreatment systems. It maintains efficient and stable fuel-water separation under long-term high-flow operating conditions, reduces daily maintenance workload and replacement costs, and effectively protects downstream pumps, valves and metering instruments from water corrosion and particle abrasion.
Product Advantages
1. High-flow optimized design, effectively solving low flow rate defects of conventional FD-grade filter elements
2. Super anti-fatigue performance, adapting to 24/7 high-load continuous industrial operation
3. Stable low pressure drop, will not cause system flow attenuation or pressure surge
4. Economical SM-series positioning, high cost performance for large-volume long-term use
5. Full series Facet filter models support one-stop centralized matching procurement
FAQ
Q: What is the difference between SM-33FD-5 and ordinary FD elements?
A: Conventional FD elements focus on small and medium-flow long life, while SM-33FD-5 is upgraded for high-flow working conditions, with larger filtration area and stronger passing capacity.
Q: Is SM-33FD-5 suitable for long-term high-load operation?
A: Yes, the thickened durable media resists high-flow scouring, ensuring stable performance and long service life under continuous high-load operation.
Q: Can it replace ST33FD-5 directly?
A: 100% dimensional compatibility, plug-and-play replacement without any equipment modification.
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- Model: Facet SM-33FD-5
- Series: SM-Series High Flow FD Long-Life Separator
- Execution Standard: API-1581 5th Edition
- Flow Direction: Inside to Outside
- Filter Media: Thickened durable 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, industrial diesel, gasoline, various light hydrocarbons
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