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The Invicta Advantage:
An Innovative Cartridge Design that Redefines the Limits of Liquid-Solid Filtration

Invicta® filters from FTC represent the next generation of liquid-solid filtration. Their advanced element geometry maximizes filtration surface area within the vessel, lowering media flux rates to provide reliable effluent quality, longer filter life, and lower total filtration cost.

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Vessel cross-section showing conventional 740 cylindrical cartridges Vessel cross-section showing Invicta trapezoidal cartridges with significantly greater packing density

A Revolutionary Cartridge Design That Redefines the Limits of Liquid-Solid Filtration

Conventional cylindrical cartridges limit how much filtration surface area can fit inside a vessel. Higher media flux rates accelerate fouling, reduce dirt loading, and shorten filter life, resulting in excessive filtration costs.

Invicta employs a distinctive trapezoidal geometry, delivering exceptional packing density. This design allows for up to 176% greater filtration surface area within the vessel. By distributing flow across more filtration media, Invicta reduces flux rates, increases solids loading capacity, and extends operating cycles. The result is improved effluent quality, longer filter life, fewer filter changeouts, and a lower total cost of filtration.

Operational Advantages of Invicta Filtration

Invicta filters are engineered to address the primary operational drivers behind filtration system upgrades: improving effluent quality, extending filter life, and reducing the total cost of filtration. The advantages below illustrate how Invicta's unique cartridge geometry enables measurable improvements in filtration performance.

Cross-section illustration showing media flux distribution across Invicta filter media

Longer Run Times Through Lower Media Flux

With more filtration surface area available, system flow is distributed across more media. Lower media flux rates slow the rate of differential pressure increase caused by solids loading, allowing filters to capture more solids before reaching terminal pressure drop. The result is longer run times and improved operational efficiency.

Invicta trapezoidal cartridges arranged inside a filter vessel, demonstrating high packing density

Higher Surface Area in a Smaller Footprint

Invicta's trapezoidal cartridge geometry allows significantly more filtration media to fit within the same vessel diameter. This increased packing density provides up to 176% more filtration surface area compared with conventional cylindrical cartridges, allowing operators to achieve industry-standard media flux rates while using smaller filtration vessels.

Side-by-side comparison of conventional blue cylindrical cartridges versus Invicta red trapezoidal cartridges

Reduced Total Cost of Filtration

The true cost of filtration extends beyond the price of the filter element. Longer run times, fewer changeouts, reduced maintenance, less disposal, and improved process reliability combine to significantly lower the total cost of filtration.

Industrial plant with Invicta filter vessels installed in outdoor process environment

Improved Effluent Fluid Quality

By distributing flow across significantly more filtration media, Invicta reduces media flux rates and ensures particle capture efficiency meets or exceeds published claims. The result is predictable effluent streams that protect downstream equipment, stabilize processes, and consistently meet product quality goals.

Common
Applications
Water
Sea Water
Brines
Wastewater
Fuels
Process Fluids
Bases
Solvents
Organic Solvents
Chemicals
Amines Acids
Hydrocarbons
Micron Rating @ 99.98%
005 = 0.5 Micron
020 = 2 Micron
050 = 5 Micron
100 = 10 Micron
200 = 20 Micron
300 = 30 Micron
400 = 40 Micron
700 = 70 Micron
1000 = 100 Micron
1350 = 135 Micron
End Cap Materials
Polypropylene
Nylon 6,6
Other Materials Available
Media
Polypropylene
Glass
Nylon 6,6
Polyester
Cellulose
Seal Material
Buna
EPDM
Viton®
Other Materials Available

Benefits of Invicta

Benefits chain: Reliable Filtration (01) plus Unprecedented Filter Media Packing Density (02) leads to Lower Media Flux Rate (03), plus Increased Solids Loading and Increased Throughput (04), equals Longer Runtimes (05), plus Reduced Filter Changeouts and Usage (06), equals Lower Cost of Reliable Filtration (07)

Invicta: Filtration Performance Compared With Conventional Cylindrical Cartridges

Traditional cylindrical cartridges can perform well individually, but their geometry limits how much filtration surface area can be installed within a vessel. Limited filtration surface area results in higher media flux rates, accelerating fouling and increasing the frequency of filter changeouts. The charts below illustrate how Invicta's geometry increases usable filtration surface area and vessel capacity, enabling higher flow rates and improved filtration performance.

Invicta Impact on Filter Vessel Flow Rate Capacity

Invicta vs Conventional 740 Cartridges Flow Capacity

Note: The flow capacity is based on the typical industry standard of 40 gpm per 740-style filter cartridge.

Invicta Impact on Cellulose Media Effective Surface Area

Invicta vs Conventional 740 Cartridges Effective Surface Area

Invicta Impact on Polypropylene Media Effective Surface Area

Invicta vs Conventional 740 Cartridges Effective Surface Area

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Case Studies

Open filter vessel showing Invicta trapezoidal cartridges packed inside — refinery hydrocracker application

Extending Refinery Hydrocracker Catalyst Life With Advanced Feed Filtration

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Multiple Invicta trapezoidal cartridges arranged flat, viewed from above

Increasing Filter Run Times And Improving Overall Process Reliability

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Invicta cartridges inside a filter vessel during installation — gas processing amine filtration

Improving Amine Filtration Performance In A Gas Processing Facility

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Invicta filtration vessel installed at industrial plant — boiler feed reverse osmosis pre-filtration

Improving Filtration Performance In Pre-Filtration of Boiler Feed Reverse Osmosis Systems

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Invicta filter vessel with open end cap revealing trapezoidal red cartridges packed inside, with the INVICTA logo visible on the vessel body

Flexible Paths to Implement Invicta Filtration

Every facility has different filtration challenges, operating constraints, and project timelines. FTC provides multiple ways to implement Invicta filtration technology, whether designing a new system, upgrading existing equipment, or addressing immediate process needs with rental filtration vessels.

New Filtration Systems

A fully engineered filtration system designed to meet current and future process demands

For new process installations or major system upgrades, FTC designs complete Invicta filtration vessels and/or skid packages engineered for your specific operating conditions. Working with plant operations, engineering, and reliability teams or EPC firms, FTC evaluates mechanical and process requirements to design a filtration system that delivers improved performance, reliability, and operational efficiency.

Upgrade Existing Filter Vessels

Improved filtration performance using existing equipment

FTC can retrofit existing filter vessels to utilize Invicta filtration technology without modifying the vessel itself. We evaluate current process conditions, review vessel drawings, and measure existing equipment to design a custom conversion kit. The upgrade can typically be installed in just a few hours and does not impact the vessel's ASME code stamp.

Rental Filtration Vessels

Immediate access to high-performance filtration capacity without long lead times

When existing filtration systems are undersized, overloaded, or temporarily unavailable, FTC offers a fleet of ready-to-ship rental filtration vessels. Rental systems provide a flexible solution for temporary projects, process upsets, or while permanent filtration systems are being fabricated and installed.

FAQs

Can we use the Invicta® in our existing pressure vessels?
Yes. Invicta was designed for quick, easy retrofits to existing pressure vessels.
What vessel options do you offer?
FTC offers custom-built filtration vessels engineered for specific process conditions, as well as rental vessels ready for rapid deployment.
What code certifications do you meet?
Invicta vessels meet or exceed ASME Section VIII, Division I and are stamped with ratings up to 635 psig at 400°F.
How does Invicta improve filtration performance?
Invicta filters use a trapezoidal cartridge geometry that increases filtration surface area within the vessel. This allows flow to distribute across more media, reducing flux rates and extending filter run times.
How long does it take to install an Invicta retrofit?
Most retrofit conversion kits can be installed in just a few hours. Because the upgrade does not require vessel modification or hot work, installation can typically be completed during a routine maintenance window.
Can Invicta handle high solids loading applications?
Yes. The increased filtration surface area allows solids to distribute across more filtration media, improving solids loading capacity and extending filter run times.
What filtration media options are available?
Invicta filters support multiple filtration media types and micron ratings to meet specific process requirements. FTC works with customers to determine the best media based on fluid properties, process conditions, and filtration goals.
Do you provide engineering support for system design?
Yes. FTC works with plant engineers, plant operations, reliability teams, and EPC project groups to evaluate process conditions and design filtration systems tailored to each application.
How quickly can rental filtration vessels be deployed?
FTC maintains a fleet of ready-to-ship rental filtration vessels that can be deployed within 24 hours to address temporary filtration needs or bridge the gap while permanent systems are being fabricated.