Coalescing filter elements serve as the core consumable inside liquid-gas and liquid-liquid separation systems, widely adopted in oil & gas, petrochemical, aviation fuel treatment, and refinery processing. LEFILTER offers fully interchangeable replacement coalescer filter element for FACET CA11-3, engineered to match the original dimensional standard, installation interface, separation efficiency and service cycle of the original FACET component. Our CA11-3 coalescing filter delivers consistent filtration performance while helping industrial operators effectively cut procurement and operation costs without modifying existing filter vessels.
As the global energy industry raises stricter standards for fluid purification, poor filtration efficiency will trigger a series of negative impacts: free water and solid particles erode precision instruments, accelerate pipeline corrosion, degrade fuel quality, and lead to unplanned system shutdowns. The FACET CA11-3 coalescing filter was originally designed to tackle these multiphase separation challenges. For decades, it has become a standard consumable for fuel handling and natural gas dehydration facilities worldwide. However, long lead times and high pricing of original OEM filters have become common pain points for many end users. LEFILTER develops a direct drop-in replacement for FACET CA11-3, built with imported composite glass fiber media and optimized structural design, capable of stable operation under complex working conditions including fluctuating flow rates and variable medium temperature.
Working Principle of CA11-3 Coalescing Filter Element
The coalescence separation mechanism differentiates this filter from conventional particulate filters. When contaminated fluid flows through the filter cartridge, the multi-layer graded filter medium completes two core functions: solid impurity interception and micro-droplet coalescence.First, the outer pre-filter layer traps large-size solid contaminants to protect the inner coalescing medium and extend service life. When micro water droplets or oil mist contact the hydrophilic glass fiber matrix inside the filter, tiny suspended droplets adhere to fiber surfaces. Driven by fluid flow and intermolecular force, countless micro-droplets collide and merge into large-diameter droplets. After the droplets grow sufficiently, gravity pulls them to separate from the main fluid stream, settling into the liquid collection zone of the filter housing. Clean fluid flows out through the filter outlet, realizing synchronous removal of particulate pollutants and free water.
LEFILTER’s alternative CA11-3 coalescing element optimizes the fiber layering density compared with generic imitation products. We strictly simulate the flow field of the original FACET design, avoiding early channeling caused by uneven medium compaction. Uniform fluid distribution maximizes the utilization rate of the whole filter medium, improving dirt holding capacity and extending service interval between replacements.
Construction & Material Advantages of LEFILTER FACET CA11-3 Replacement Filter
Multi-layer Composite Glass Fiber Filter Medium
The main filter layer adopts continuous borosilicate glass fiber with progressive density structure. This material features excellent hydrophilicity, stable chemical inertia, and strong tolerance to diesel, jet fuel, light hydrocarbon and natural gas medium. It maintains stable coalescing efficiency and will not easily deform under long-term pressure fluctuation. The filter medium can capture micro-droplets down to 3μm, achieving more than 99.6% liquid aerosol removal efficiency under rated flow.
High-strength Polypropylene End Caps with Bolt Connector
Consistent with the original FACET CA11-3 structure, we adopt blue reinforced polypropylene top and bottom end caps, equipped with integrated metal stud bolt connection. The connector size, thread standard and overall element dimension are fully compatible with original filter housing. Users can directly replace the old filter without any modification to equipment. Polypropylene end caps resist corrosion from most hydrocarbon medium, avoid cracking under temperature cycling, and guarantee tight sealing during operation to prevent fluid bypass.
Integrated Support Structure & Anti-collapse Design
Inner support skeleton uses perforated rigid tube to provide radial support for filter medium. Under normal operating pressure, the filter medium will not shrink or collapse. The integral hot-melt sealing process eliminates adhesive leakage risks; no secondary contamination to process medium caused by adhesive dissolution. All raw materials comply with industrial fluid contact requirements and can adapt to continuous 24-hour operation.
Core Technical Specifications
Interchange Model: FACET CA11-3
Filter Type: Coalescing Filter Element
Main Filter Medium: Graded borosilicate glass fiber
Rated coalescing precision: 3μm
Maximum working pressure: 1.5 MPa
Working temperature range: -40℃ ~ +80℃
Connection: Top stud bolt mounting, fully interchangeable with original housing
Applicable medium: Aviation kerosene, diesel fuel, gasoline, light oil, natural gas, industrial hydrocarbon fluid
Recommended replacement threshold: Differential pressure reaches 0.15 MPa
Main Application Scenarios
LEFILTER replacement FACET CA11-3 coalescing filter fits perfectly in original FACET filter vessels, widely deployed in multiple industrial sectors.Aviation fuel depots & fuel dispensing stationsRemove free water and particulate impurities from jet fuel to protect aircraft fuel systems. Excessive water content will lead to pipeline icing and fuel system corrosion; high-efficiency coalescing filtration guarantees fuel meets aviation quality standards.
Petrochemical refineries & oil transfer stationsPurify diesel, gasoline and light hydrocarbon products, separate emulsified free water, reduce product water content, and improve finished oil quality.
Natural gas dehydration & gas conditioning stationsRemove condensed water and light oil droplets inside natural gas, protect downstream compressors, valves and measuring instruments, avoid liquid hammer and internal component corrosion.
Power plant fuel supply systems & marine fuel treatmentClean fuel before entering combustion equipment, reduce nozzle wear, lower pollutant emission, and stabilize combustion efficiency.
Why Choose LEFILTER as Your Supplier for FACET CA11-3 Replacement Coalescer Filter
Many purchasers hesitate when selecting alternative filter elements, worrying mismatched dimensions, declined separation efficiency or short service life. LEFILTER solves these concerns with systematic quality control.
First of all, we carry out full reverse engineering according to original FACET CA11-3 samples. Every dimension including overall length, outer diameter, stud bolt size, end cap structure and medium thickness is precisely calibrated. Before mass production, we complete hydraulic testing and bubble point testing to verify interchangeability and filtration performance. Customers can directly install our filters to replace original parts without extra engineering adjustment.
Second, we strictly control raw material quality. We reject low-cost recycled fiber medium that loses coalescing performance quickly. Each batch of glass fiber material is inspected for thickness uniformity, hydrophilic performance and chemical resistance. Compared with cheap generic alternatives, our filters deliver longer service cycle, reduce shutdown frequency and lower long-term operation expenditure.
Third, LEFILTER maintains sufficient stock for CA11-3 coalescing filters. For bulk orders, we support customized marking and flexible delivery cycle. Our technical team can provide professional support for selection, installation guidance and troubleshooting of coalescing separation systems. Apart from CA11-3, we also supply a complete series interchangeable FACET coalescer and separator filter elements to satisfy one-stop procurement demands.
Fourth, cost advantage is obvious. Our replacement filters offer equivalent performance to original FACET products at a much more competitive price. For medium and large industrial users with regular filter consumption, the overall operation cost can be reduced significantly year on year, without sacrificing system reliability.
Proper maintenance directly influences filtration effect and equipment safety. Operators need to monitor filter differential pressure routinely. When pressure difference rises to the preset warning value, the filter element should be replaced in time. Continued operation with blocked filter will cause excessive pressure drop, damage filter medium, and lead to secondary pollutant leakage into downstream pipelines. During installation, check the sealing gasket for aging or damage, ensure full contact between end cap and housing sealing surface to avoid fluid bypass which invalidates separation.
In industrial fluid separation systems, filter element quality decides the stability of the whole process. LEFILTER adheres to strict production standards for all replacement coalescing filters. Our FACET CA11-3 equivalent filter is a cost-effective solution for enterprises seeking stable supply and optimized budget. If you need sample testing, detailed drawing documents or bulk quotation, contact our sales team anytime.
FAQ
Q1: Is LEFILTER CA11-3 coalescing filter a direct drop-in replacement for original FACET CA11-3?
A1: Yes. We complete full dimension calibration based on original FACET CA11-3 samples. The overall size, top stud bolt connection, end cap sealing structure all match the original standard. You can take out the old FACET filter and install our product directly without modifying filter housing, pipelines or fixtures. We recommend checking the sealing gasket during each replacement to prevent leakage.
Q2: What medium can this CA11-3 coalescing filter work with? Can it be used for natural gas filtration?
A2: This coalescer element is suitable for aviation kerosene, diesel, gasoline, light hydrocarbon oil and natural gas. It can separate free water and liquid droplets in both liquid fuel flow and gas phase medium. Please inform our technical team of your medium type, operating temperature and flow rate before ordering if you work with special chemical medium, so we confirm material compatibility.
Q3: How long is the service life of the replacement FACET CA11-3 coalescing filter?
A3: Service life depends heavily on inlet fluid pollution level, medium water content and actual flow rate. Under normal working conditions with medium contamination, the service cycle usually ranges from 3 to 8 months. The most reliable replacement indicator is differential pressure; when the pressure difference reaches 0.15 MPa, we recommend immediate replacement to avoid medium bypass and filter medium collapse.
Q4: What is the difference between a coalescing filter element and a separator filter element? Do I need to buy both?
A4: The coalescing filter captures micro-droplets and merges them into larger droplets. The separator filter uses hydrophobic material to stop coalesced droplets and only allow clean medium to pass. Most fuel treatment systems adopt coalescer + separator two-stage configuration. If your original system uses matched FACET CA series filters, you need to confirm whether your vessel requires both coalescer and separator cartridges at the same time.
Q5: Can I get samples of LEFILTER CA11-3 coalescing filter for performance testing?
A5: Yes, we support sample supply for customer laboratory or field trial testing. You can submit a sample request to our sales team, and we will arrange shipment according to your destination. After field verification of filtration efficiency and service life, we can proceed to formal bulk cooperation.
Q6: What is the maximum operating temperature and pressure of this CA11-3 coalescing filter element?
A6: The maximum continuous working pressure is 1.5 MPa, applicable temperature range from -40℃ to +80℃. If your working condition exceeds these limits, please communicate with our engineers in advance. High temperature or overpressure operation will accelerate aging of end cap materials and reduce the service life of filter medium.
Q7: Does LEFILTER provide other interchangeable FACET coalescing filter models besides CA11-3?
A7: Yes. We produce a full range of interchangeable FACET coalescer and separator filter cartridges, including CA14-3, CA22-3, CA28-3 and other mainstream CA series models. You can send us the original part number, and our team will confirm the corresponding alternative filter model and provide technical data sheet.
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