



This automatic self-cleaning fuel filter adopts integrated hydraulic self-driving structure, requiring no external power supply for online cleaning. It effectively removes water, sludge, metal particles and impurities from marine fuel oil to protect diesel engines and prolong service life of core equipment.
This automatic self-cleaning fuel filter adopts integrated hydraulic self-driving structure, requiring no external power supply for online cleaning. It effectively removes water, sludge, metal particles and impurities from marine fuel oil to protect diesel engines and prolong service life of core equipment.
Our filter is fully assembled with electric control valves, differential pressure monitoring and manual emergency cleaning handle, realizing unattended automatic backwashing without system shutdown. Cast iron high-strength housing with anti-corrosion blue coating fits harsh marine, power station and heavy industry working environments perfectly.
Specifications
| Item | Technical Parameter |
| Product Name | Marine Automatic Self-cleaning Fuel Filter |
| Housing Material | High-strength Cast Iron |
| Surface Treatment | Anti-corrosion Blue Epoxy Coating |
| Driving Mode | Internal Hydraulic Self-driven (No External Power) |
| Control Method | Differential Pressure Automatic Cleaning + Manual Emergency Cleaning |
| Interface Type | Flange Connection (Customizable Caliber) |
| Working Medium | Marine Fuel Oil, Diesel, Heavy Fuel Oil |
| Working Pressure | 0.6–1.6 MPa |
| Working Temperature | -10℃ ~ 85℃ |
| Cleaning Structure | Integrated Self-cleaning Assembly with Solenoid Valve Group |
| Alarm Function | Optional Differential Pressure Transmitter & Remote Signal Output |
| Installation Mode | Vertical Floor-mounted |
Key Features
Full-automatic online self-cleaning, no shutdown required
Built-in hydraulic drive system triggers backwashing automatically when preset pressure difference is reached, continuous fuel supply without cutting off pipeline flow.
Self-powered hydraulic structure, low energy consumption
Rely on medium pressure of fuel oil to complete cleaning cycle, no extra motor or air compressor needed, greatly reducing operation cost.
Integrated modular assembly, easy maintenance
All control components (solenoid valve, sampling tube, cleaning handle) are pre-installed before delivery; users only need to connect flanges and signal lines for quick installation.
Heavy-duty anti-corrosion cast iron housing for marine harsh environment
Thickened cast iron shell with high-adhesion anti-rust blue paint, resistant to seawater vapor, oil corrosion and long-term vibration on ships.
Dual cleaning mode with safety backup
Equipped with automatic differential pressure cleaning + red manual emergency cleaning handle, ensuring normal filtration even if electrical components fail temporarily.
Customization
Flange caliber, connection standard (GB/ANSI/JIS) customized according to customer pipeline
Filter element precision customization (5μm ~ 200μm optional)
Add remote monitoring function: 4–20mA differential pressure signal, RS485 communication module
Explosion-proof solenoid valve assembly for flammable and explosive working sites
Special paint, stainless steel inner cavity for high-corrosion medium
Custom logo, nameplate, color printing on filter housing



Marine Vessels: Cargo ships, fishing boats, passenger ships, yacht main engine fuel oil filtration
Power Industry: Diesel generator sets, emergency power station heavy fuel pretreatment
Heavy Industry: Construction machinery, mining equipment, large diesel unit fuel purification
Oil Storage & Transportation: Oil depots, fuel supply stations pipeline filtration
Offshore Engineering: Offshore platforms, marine engineering vessel fuel processing system
Our marine self-cleaning fuel filters have passed strict quality inspection and obtained multiple authoritative certifications:
ISO9001 International Quality Management System Certification
Factory Inspection Qualification for Marine Auxiliary Equipment
Medium Pressure Vessel Housing Pressure Resistance Test Report
Third-party anti-corrosion coating environmental test certificate
All products come with complete factory test report, operation manual and certification documents for customs clearance and shipyard inspection.
MOQ: 1 unit
Packaging: Internal shockproof pearl cotton wrapping, external export solid wooden case with moisture-proof film.
Shipping: Support sea freight, air freight and land transportation; we provide professional export packaging to avoid collision and rust during long-distance transit.
Delivery Lead Time: 50-60 days
We are a professional manufacturer focusing on self-cleaning filter equipment with over 10 years of R&D and production experience, owning a full set of CNC machining, assembly and testing workshops.
Independent production line for casting, machining, assembly and testing, all processes self-controlled without outsourcing;
Complete product testing laboratory: pressure resistance test, differential pressure simulation test, medium compatibility test for every finished filter before delivery;
Stable supply capacity, monthly output over 80 sets of marine fuel filters, capable of large-scale bulk orders;
Professional foreign trade team, rich experience in shipyard, power station global project supporting, provide one-stop technical support and after-sales service;
Long-term cooperation with domestic and overseas ship equipment suppliers, products exported to Southeast Asia, Middle East, Europe and other regions.
Q1: Does this filter need external power to complete self-cleaning?
A1: No. The core adopts internal hydraulic self-driving structure, using the pressure of fuel medium itself to drive the cleaning mechanism. Only the solenoid valve needs 24V/220V small power supply for signal control, no large motor or air source required.
Q2: Can the filter work continuously during backwashing? Will the pipeline stop oil supply?
A2: Yes, online uninterrupted cleaning design. The internal diversion structure separates filtration and cleaning flow, the main fuel pipeline maintains normal supply during backwashing, no shutdown of the engine system.
Q3: What if the electronic control valve fails suddenly during ship navigation?
A3: We reserve a red manual emergency cleaning handle on the top of the filter. When electrical parts malfunction, you can manually trigger the cleaning cycle to ensure the filter runs normally temporarily.
Q4: What kinds of fuel oil is this filter suitable for?
A4: It can filter marine diesel, heavy fuel oil, residual oil and mixed fuel oil. We support custom filter element precision and internal structure according to your oil viscosity and impurity content.
Q5: What after-sales support can you provide after purchasing?
A5: We provide 12-month warranty for the whole machine (excluding wearing filter elements). We offer English installation & operation manual, remote video technical guidance, and supply spare parts such as solenoid valves and filter elements at factory cost price all year round.