perior Certified Performance Allows Compact Design Airflow balancing dampers. Non-oxidized Coated Media Construction Media is made from aluminum that is evenly coated, prior to being formed into its honeycomb configuration, with a dense layer of corrosion resistant desiccant. This extends the life of the aluminum media substrate and enhances its structural integrity. Modular Media Sections with Aluminum Spoke Support System The media support system is made from aluminum extrusions that provide the substantial structural backbone required to withstand the forces encountered during a wheel's 10,000,000 annual revolutions. Aluminum drastically reduces the weight of the rotor when compared to a steel support system. Non-wearing Extruded Labyrinth Seals SMCC utilizes a four pass labyrinth seal which has been designed to give optimum performance under heavy pressure conditions. Since the seals never actually touch the rotating surface, their life is indefinite. All seals are easily field-adjustable. Increases performance and virtually eliminates carryover of contaminants from the return air stream to the supply air stream. Field Adjustable Purge Section Cross-contamination is virtually eliminated by a "purge section", which is an integral part of the casing design. The field adjustable purge section utilizes the pressure difference that exists between the outdoor and return air streams to "purge" the transfer media with clean outdoor air prior to its rotation into the supply air stream. Tubular Steel Casing Construction To avoid deflection of the energy wheel casing due to the significant torque imposed by the air pressure on the energy wheel surface, a tubular steel framework is used. Casing deflection is undesired since it increases the gap between the seals and the wheel surface causing excessive air leakage. Built-in Bearing Replacement System The bearings used in the SMCC units provide a long life with minimal maintenance. The external pillow block bearings simplify any replacements should this ever become necessary. The rotor remains in the casing and none of the rotor or media has to be removed.
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