Can the FPS SX-F be used with gasoline or petrol?

No. The system is strictly designed for diesel and bio-fuel blends with a flash point of 100°F (37.8°C) or higher. Using the system with gasoline or other highly flammable liquids presents a serious risk of explosion and fire.

Can the FPS SX-F be expanded to manage multiple fuel tanks?

Yes, the system offers an optional 'Multi-Tank Polishing/Transfer' upgrade. This configuration uses motor-operated valves (MOVs) to isolate individual tanks, allowing a single FPS SX-F system to automatically circulate and polish fuel from multiple storage tanks or transfer fuel between them.

What is the maximum suction lift of the system?

The system is capable of a vertical lift of 15 feet or a horizontal run of 100 feet of plumbing when using the minimum recommended piping size with no additional restrictions. Any combination of vertical and horizontal runs will reduce the suction capability proportionally.

FPS SX-F fully automated fuel maintenance system with smart controller for diesel fuel polishing

Programmable Fuel Maintenance System

2.5 GPM Continuous Flow | 120/230 VAC Input | LG-X 500 Magnetic Conditioner

Fuel Polishing Systems · Automated Diesel Tank Cleaning · Compact Fuel Maintenance

FPS SX-F Fully Automated Fuel Maintenance System – 2.5 GPM Fuel Polishing

The FPS SX-F is a fully automated, programmable fuel maintenance system designed to remove water, sludge, and particulate contamination from diesel and bio-fuel storage tanks. With a nominal flow rate of 2.5 GPM, this compact unit offers continuous-duty filtration for critical power applications. Its intelligent Smart Filtration Controller allows for unattended operation, making it a reliable solution for ensuring fuel quality in generator enclosures, engine rooms, and other confined spaces.

2.5 GPM Continuous Flow Rate

120/230 VAC AC Power Input

10μ / 30μ / 60μ SS Filter Options

Leak + Vacuum Alarm Auto Safety Shutdown

The FPS SX-F fully automated fuel maintenance system is an advanced filtration solution engineered to stabilize diesel and bio-fuels by eliminating water, sludge, and microbial contamination. Unlike portable transfer pumps, this system is designed for permanent indoor installation, operating independently to perform routine fuel polishing without manual intervention. Whether installed inside a generator set enclosure or a marine engine room, the FPS SX-F continuously circulates and cleans stored fuel, preventing the growth of "diesel bug" and reducing the risk of filter clogs. By maintaining ISO-clean fuel standards, this compact fuel maintenance system dramatically extends the life of downstream components and guarantees fuel reliability for standby generators, data centers, and industrial operations.

Key Features

The FPS SX-F is purpose-engineered for facilities requiring autonomous diesel polishing within tight spaces. Its hardware combination—a Smart Filtration Controller, continuous-duty 1/3 HP spur gear pump, centrifugal water separator, and LG-X 500 magnetic conditioner—delivers a robust system for maintaining bulk fuel quality. The programmable automation reduces manual oversight while the integrated alarm system ensures operators are alerted to leaks, clogs, or water accumulation.

Smart Filtration Controller with Full Automation: Equipped with a programmable digital timer, the controller allows users to schedule up to three ON/OFF cycles per day per day of the week. The controller retains memory during power outages and provides clear visual alarm indicators for high vacuum, high water, and leak detection, ensuring the system performs its duties without constant supervision.
Continuous-Duty Spur Gear Pump with Viton Seals: The heart of the FPS SX-F is a robust 1/3 HP AC gear pump rated for sustained operation. Viton seals are used throughout to resist degradation from diesel, bio-fuel blends, and chemical additives, ensuring leak-free performance and long-term reliability in demanding environments.
Centrifugal Water Separator & Multi-Stage Filtration: Fuel first passes through a centrifugal water separator that spins out bulk water and heavy solids, followed by a high-efficiency particulate filter (10µ or 30µ) or a cleanable 60µ stainless steel screen. An optional secondary fine filter (3µ, 10µ, or 25µ) provides final polishing to remove microscopic rust, dirt, and sludge.
LG-X 500 Inline Magnetic Fuel Conditioner: This passive, maintenance-free device subjects the fuel to a powerful magnetic field. The process helps de-cluster paraffin and asphaltene molecules, improving fuel stability and reducing the surface tension of water droplets for more efficient separation during the filtration cycle.
Comprehensive Safety & Alarm Suite: Integrated sensors provide fail-safe protection and operational awareness. The system features automatic pump shutdown upon detection of a fuel leak, high vacuum indicating a clogged filter (factory set at 16" Hg), or excessive water accumulation in the sump. Alarms must be manually reset, ensuring personnel are notified of any service requirements.
Compact, Space-Saving Wall Mount Design: Sized at just 23" x 26" x 9" (HxWxD), the FPS SX-F mounts directly to a wall inside tight mechanical rooms. The powder-coated aluminum backplate supports all components—including the pump, controller, and filter housings—providing a rugged, self-contained unit that requires minimal floor space.

Applications

Standby Generator Set Enclosures: Long idle periods allow water condensation and sludge to accumulate in generator tanks. The FPS SX-F installs inside the generator housing to run automated polishing cycles, ensuring the engine receives clean fuel during a power outage.
Marine Engine Rooms: Vessels operating in high-humidity environments are prone to water ingress in fuel tanks. This system connects to shipboard AC power, removing emulsified water and biological growth to prevent engine stalling and filter blockages at sea.
Data Center Fuel Storage: Facilities with backup generators require guaranteed fuel readiness 24/7. The programmable controller allows operations teams to schedule fuel turnovers during low-load periods, eliminating the "dead storage" that leads to fuel degradation.
Off-Grid Power Generation: Remote telecom towers and mining sites often have limited maintenance access. The FPS SX-F automates fuel maintenance between service visits, with alarm outputs that can be relayed to central monitoring systems for early warning.
Industrial & Agricultural Fuel Reserves: Manufacturing plants and farms storing large volumes of diesel for heavy equipment can use this system to polish fuel at the point of storage, reducing the costs associated with fuel polishing services and unexpected downtime.

Technical Specifications

Specifications apply to the standard FPS SX-F fuel maintenance system. Primary filter cartridges are interchangeable. The standard-issue element is the 30μ particulate filter unless otherwise requested. At 50 Hz, nominal flow rate decreases from 2.5 GPM to 2 GPM.

Parameter	Specification
Nominal Flow Rate	2.5 GPM / 150 GPH (9.5 LPM / 567.8 LPH) (2 GPM at 50 Hz)
Throughput — 8 Hours	1,200 gallons (4,542 liters)
Throughput — 24 Hours	3,600 gallons (13,627 liters)
Primary Filter Options	10µ or 30µ Particulate / 60µ Stainless Steel Screen with Centrifugal Water Separator
Secondary Filter Options	3µ, 10µ, or 25µ Fine Filter / 3µ or 10µ Water Block
Fuel Conditioner	LG-X 500 Inline Magnetic Conditioner
Pump Type	1/3 HP Spur Gear Pump (Continuous-Duty, Viton Seals)
System Controller	Smart Filtration Controller with Programmable Timer, Memory Retention & Alarm Indicators
Power Supply	120V / 60Hz / 15A / 1Ph or 230V / 50Hz / 15A / 1Ph
Plumbing Material	Black Iron
Inlet/Outlet Ports	3/4" Equivalent – JIC 37° Flare
Primed Suction Lift	15 ft. vertical lift or 100 ft. horizontal run (total dynamic head)
Maximum Fluid Viscosity	5 cSt
Operating Temperature Range	32 – 122°F (0 – 50°C)
Safety Alarms & Shutdowns	Leak Detection (Float), High Vacuum (16" Hg), High Water (Probes)
Construction	Powder Coated Aluminum Back Plate
Dimensions (H × W × D)	≈ 23" × 26" × 9" (58 × 69 × 23 cm)
Weight	≈ 57 lbs (25.9 kg)
Compatible Fuels	Diesel and Bio-Fuel Blends (flash point ≥ 100°F / 37.8°C)

Technical FAQ

Common Questions Answered

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The primary filter is a combination water separator and particulate filter. It uses centrifugal force to spin out bulk free water and heavy sludge from the fuel. The secondary filter is a fine filter (3µ, 10µ, or 25µ) that polishes the fuel after it leaves the pump, capturing microscopic contaminants to ensure the fuel is exceptionally clean before it returns to the tank.

The LG-X 500 is a passive, maintenance-free device that applies a strong magnetic field to the fuel. This process helps break down molecular clusters of paraffin and asphaltenes, which stabilizes the fuel and reduces the surface tension of entrained water. This makes it easier for the centrifugal water separator to remove water from the fuel stream.

No. The system is strictly designed for diesel and bio-fuel blends with a flash point of 100°F (37.8°C) or higher. Using it with gasoline presents an immediate explosion and fire hazard.

The system operates on standard AC power: either 120V/60Hz/15A/1Ph or 230V/50Hz/15A/1Ph. This makes it compatible with most industrial and commercial electrical panels without the need for a separate DC power supply.

The Smart Filtration Controller features a "High Vacuum" alarm. When the filter becomes clogged and the suction vacuum reaches 16" Hg, the pump will automatically shut off and the alarm indicator will light up, signaling that the element requires back-flushing or replacement.

The FPS SX-F is intended exclusively for permanent indoor installation — it is not rated for outdoor or exposed environments. It should be wall-mounted on a hard, level surface inside a well-ventilated space with ambient temperature between 32 and 122°F (0 to 50°C). Its compact dimensions make it ideal for generator enclosures, marine engine rooms, and plant utility rooms.