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Air Filtration Products
for Turbomachinery Air Inlet Systems
High efficiency air filtration is a key factor in achieving cost-effective operation of industrial rotating equipment, such as gas turbines and centrifugal compressors.
Koch Filter Corporation manufactures a wide range of filters for gas turbine air intakes of all sizes and types. Koch products are presently installed in nearly every imaginable environment, from hot and gritty desert environments to salty coastal locations to icy arctic applications. Regardless of the operating environment or system design, there’s a proven, reliable Koch product to meet the need.
Trained Experts in the Field
Koch Filter Corporation presently supplies high quality gas turbine filtration products to customers across the U.S. and around the world. To insure the prompt availability of the complete Koch Filter Corporation product line, a large and effective network of trained field representatives has been developed. Supported by local and regional warehousing points, this experienced sales team is always ready to offer solutions to any filtration problem, regardless of the customer’s location.
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Technical Bulletin No. PB-899
Glass Fiber Media vs. Synthetic Media in Gas Turbine Applications
Many owners and operators of Gas Turbines are asking the question, "Should I be using air filters made of synthetic filter media or glass fiber filter media in my inlet air housings?" Over the past decade, many types of filters have been introduced to the marketplace, some produced with synthetic filter media and others with glass fiber media. Considering the technological advances made in both media types, the choice of whether to use glass or synthetic filters has become an issue in many gas turbine systems around the world.
Koch Filter Corporation produces several types of filters, constructed with both media styles, for applications ranging from gas turbines to hospitals. This Product Bulletin explores the proper usage for various application needs.
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DuraMAX 4V & 4VS Style Minipleat Filter
The DuraMAX is a rigid, extended surface air filter, engineered to provide maximum performance and prolonged filter life cycles, even in the most difficult environments. The durable, rugged, construction of the DuraMAX make it the filter of choice in filtration systems with high velocities or variable air volumes. DuraMAX Filters are constructed with a 100% plastic frame and are completely incinerable.
DuraMAX provides an unequaled combination of low pressure drop and high efficiency through the use of our unique minipleat design. This high capacity minipleat design allows a nominal 24x24x12 filter to incorporate 194 square feet of filter media. This increased extension of the media surface area insures low pressure drop, and low resistance to airflow means lower energy costs to the user.
Another benefit of the increased media area is extremely high Dust Holding Capacity, which significantly prolongs the service life of the filter. Fewer filter changes translate into substantially reduced maintenance and disposal costs.
The DuraMAX 4V are available in five ASHRAE efficiencies — 65, 75, 85, 95 and 98%.
The DuraMAX 4VS is available in 98%.
These filters are offered in three standard sizes — 24x24x12, 20x24x12 and 12x24x12. Single or double header configurations are available.
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DuraMAX 2v High Efficiency Minipleat Filter
The DuraMAX 2v is an extended surface air filter engineered to provide maximum performance and prolonged filter lifecycles in office buildings, hospitals, paint booths and all types of commercial and industrial HVAC applications. The DuraMAX 2v is completely incinerable after use.
What makes the DuraMAX 2v unique and different? The new 2v design offers all the benefits of our other high performance minipleat filters, but contains approximately 110 ft2 of filter media. The reduced media area makes the 2v model an economical alternative in applications where a minipleat filter is desired but initial purchase price is of utmost concern.
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MicroMAX Minipleat Filter
The Koch MicroMAX is an extended surface minipleat filter designed for use in a wide variety of air filtration systems. The MicroMAX offers a unique combination of high efficiency and low pressure drop making it the ideal filter for use in any standard HVAC system. The added advantages of its compact 4" depth and lightweight-yet-rigid construction also give the MicroMAX unsurpassed capability to perform in more specialized and difficult applications. MicroMAX Filters are available with standard beverage board frames or with galvanized steel frame. Steel framed MicroMAX filters are available with no header or with a single upstream header.
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