Dürr Universal Silencers — Air Filtration
Gas Turbine Filter Housings
Custom-Engineered Inlet Systems — OEM Supply · Retrofit · Refurbishment
Dürr Universal Silencers designs and manufactures filter housings from small industrial applications to large combustion turbine applications. In-house design and engineering experts work with quality-tested manufacturing facilities to produce a variety of filter house configurations, including those for challenging applications. Dürr Universal Silencers is one of the only acoustic and filtration solution providers that can design and manufacture a total inlet system solution for gas turbines — from OEM first-fit supply to refurbishment of existing inlet systems.
Capabilities
Total Inlet System Design
Dürr Universal Silencers is one of the only acoustic and filtration solution providers that can design and manufacture a total inlet system solution for gas turbines — integrating the filter house, inlet silencer, weather louvers, anti-icing provisions, and structural support into a single engineered package.
OEM First-Fit Supply
Dürr Universal Silencers supplies first-fit filter housings to global turbine OEMs including Solar, GE, Siemens, Westinghouse, and ABB. OEM-quality construction and documentation are standard.
Retrofit & Refurbishment
Existing turbine inlet systems can be refurbished or replaced with new Dürr Universal Silencers filter housings. Whether the application is a municipal utility or an industrial power plant, Dürr Universal Silencers has the engineering expertise to match or improve on the original system performance.
Field Service
Dürr Universal Silencers's field service team assures the project is installed correctly and performs to each customer's specifications. Field measurement and verification services are available.
Filter House Configurations
Pulse-Jet Self-Cleaning Filter Houses
Pulse-jet cleaning systems extend filter element service life by periodically back-flushing the filter elements with compressed air. Suitable for high-dust environments where frequent manual filter replacement would be impractical. Reduces maintenance labor and filter element consumption.
- →Automated pulse-jet cleaning
- →Extended filter element life
- →High-dust environment service
- →Reduced maintenance labor
- →Differential pressure monitoring
Static (Non-Self-Cleaning) Filter Houses
Static filter houses use panel or cartridge filter elements that are replaced manually when pressure drop reaches the service limit. Lower initial cost than self-cleaning systems. Suitable for clean-to-moderate dust environments with scheduled maintenance programs.
- →Lower initial cost
- →Simple construction
- →Panel or cartridge elements
- →Scheduled maintenance
- →Suitable for moderate dust environments
High-Efficiency Two-Stage Systems
Two-stage filter systems use a coarse pre-filter stage followed by a high-efficiency final filter stage. The pre-filter extends the life of the final filter elements by capturing larger particles before they reach the high-efficiency media. Used in high-dust or coastal environments.
- →Coarse pre-filter + high-efficiency final filter
- →Extended final filter life
- →High-dust and coastal environments
- →Reduced total cost of ownership
- →Customizable stage configurations
Inlet Silencer-Filter Combinations
Combined inlet silencer and filter house systems provide both turbine inlet air filtration and noise attenuation in a single integrated structure. Reduces installation footprint and eliminates the need for separate silencer and filter house structures.
- →Integrated filter + silencer
- →Reduced installation footprint
- →Single structural support
- →Coordinated acoustic and filtration design
- →Available for all turbine frame sizes
Turbine OEMs Supported
- →Solar Turbines (Centaur, Taurus, Mars, Titan)
- →GE Gas Turbines (Frame 5, 6, 7, 9)
- →Siemens Energy gas turbines
- →Westinghouse / Mitsubishi Power
- →ABB / Alstom gas turbines
- →Rolls-Royce aeroderivative turbines
- →Pratt & Whitney aeroderivative turbines
- →Custom and non-standard turbine frames
Key Design Inputs
Turbine make & model
Required for housing geometry and connection dimensions
Inlet air flow (ACFM)
Determines filter face area and housing cross-section
Allowable pressure drop
Typically 1–4 in. w.g. total inlet system loss
Site dust loading
Determines filter media type and cleaning system selection
Ambient conditions
Temperature, humidity, altitude, coastal/industrial environment
Anti-icing requirements
Heated inlet, bypass, or recirculation provisions
Noise requirements
Determines whether integrated silencer section is required
Structural requirements
Wind, seismic, and snow loads per site location
Engineering Consultation
Gas turbine filter housing projects are custom-engineered to each turbine and site. Contact Northeast Controls Inc. with your turbine make and model, inlet flow rate, site conditions, and project requirements for application engineering and a budgetary quotation.
1-201-419-6111 · [email protected]
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