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2-Stage Air Intake Retrofit at Four Gas Turbine Units of Cogeneration Power Plant in Texas


2-in-1 filtration system for Alabama power plant to stop humidity and coalesce rain droplets


Continuous gas turbine operation during heavy snow fall events


Pulse jet GTS filter cartridge sets at power plant in Texas


Adding an effective water removal section to the air intake system at a petrochemical plant in China


Upgrade to EPA filtration level for solar mercury 50 gas turbine


Maximum Efficiency and Operational Reliability

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ISO 29461-1

The new classification system to ISO 29461-1
makes filter selection for turbomachinery easier

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Multi-stage filtration concepts

Performance-optimized for your individual requirements

Multi-stage filtration systems ensure effective filtration and increased protection of turbines and compressors. Fouling damage is kept to a minimum, unplanned downtimes can be avoided, general maintenance costs are reduced, and optimal turbine efficiency can be achieved.

In a two-stage system, an upstream pocket filter protects the cassette filter of the final stage. In a three-stage system, an additional downstream cassette filter stage is added. This can provide filtration levels by EPA standard. The selection of filters for each stage depends primarily on the environmental conditions around the plant, as well as on any space limitations.  This is how we provide customized solutions for you.

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Discover our selection of tried and tested multi-stage filter systems for your custom-tailored solution for gas turbines and compressors

Achieve maximum filtration performance with a simplified plant upgrade using the modular clip-on system.

Custom-tailored multi-stage filter systems Ideal for highest purity at EPA level: 3 stages with pocket filters, MVPGT and spiderMaxx cassette filters
MaxiPleat modular filter system Ideal for restricted spaces: the MaxiPleat modular filter system as a 2-in-1 solution
hydroMaxx filters for preventing water ingress Ideal for preventing water ingress: hydroMaxx pocket filter firmly plugged on eMaxx cassette filter
Cleanable cartridge sytems with safety filter stage Ideal for cleanable systems with safety filter stage: pulse-jet filter cartridges (conical/cylindrical) with MaxiPleat cassette filter

Why is "Monte Bianco" the peak performer in power generation?
How does filtration come into play?

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Air filters protect gas turbines against fouling

Power output is influenced by the performance of installed intake air filters and by the dust particle concentration at a gas turbine’s location.

Are you aware of the effect of air filtration on gas turbine performance degradation?

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Availability is key in the power industry

Learn more about the strengths of eMaxx cassette filters

[Translate to English (US):] Freudenberg Filtration Technologies e.FFECT

How efficient is your filtration system?

e.FFECT – Digital Algorithm for Optimal Filtration

Ambient conditions vary by plant.  From deserts, urban areas, or coastal districts; Sandstorms, humidity, or salty air.  These conditions cause corrosion damage to equipment if not properly suited with the correct filtration system. Standardized filtration solutions sometimes do not take into account all variables, and therefore are not designed to cope with specific requirements.

e.FFECT is the solution.  A proprietary software tool that optimizes filter systems and tailors them to specific environmental conditions.

With e.FFECT, the electronic Freudenberg Filter Efficiency Calculation Tool, calculating the optimal filter solution is extremely simple. The local ambient conditions and specific process requirements enter directly into the calculation. Multi-stage filter systems can then be objectively compared. This simplifies the selection of the best filter concept for your needs.

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e.FFECT calculation parameters for an optimum intake air filtration system

Construction and retrofits of air intake systems with Viledon Engineering

Individually developed, precisely planned

Conversions and construction of new intake air systems with Viledon Engineering

Whether conversion or new construction – implement your individually customized system solution anywhere in the world with the comprehensive engineering development and installation services of Freudenberg.  Filter systems achieve maximum performance when they are adapted to the specific requirements. For this reason, we offer you individual service packages for planning and installation. From on-site analysis, consulting, system design and order processing to training and after-sales service – discover the most efficient solution for your new gas turbine and compressor air intake system with the help of our team of technicians.

The engineering portfolio at a glance

The engineering portfolio at a glance

In our download area, you will find detailed information about our technologies.

Maximizing the efficiency of gas turbines and compressors

Maximizing the efficiency of gas turbines and compressors

Customized and powerful filtration solutions for clean air

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Discover our products for gas turbines and compressors.

Click on details for more information. Technical data and specific product features can be found in the product catalog.

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