Airflow and Zone Control Air System

American ALDES’ airflow and zone control products are designed to introduce flexibility and dynamic control to any central ventilation system. Millions of constant airflow regulators (CARs) have been installed to eliminate ventilation issues such as stack effect and poor airflow balance to ensure precise regulation of building ventilation systems. Precise regulation of building ventilation systems saves energy by reducing the load placed on heating and cooling systems. The patented ZRT zone controls save additional energy by boosting exhaust ventilation rates only in occupied spaces, eliminating wasteful ventilation in areas that do not require it.

CAR-S-II A

Airflow and Zone Controls CAR-S-II A

American ALDES CAR-S-II A - Adjustable, Square or Rectangular Duct Adapted. The CAR-S-II A – Constant Airflow Regulator is a modulating orifice that automatically regulates airflows in duct systems to constant levels. The passive control element responds to duct pressure, and requires no electric or pneumatic sensors or controls.

The CAR-S-II A compensates for changes in duct pressure caused by thermal stack effect, building pressure, dust clogging of filters, etc. The CAR-II also provides a low cost solution to balancing forced air systems for heating, air conditioning and ventilation, eliminating the need for on-site balancing. The CAR-S-II A will regulate airflow in supply, return or exhaust duct systems.

The active control element of the CAR-S-II A is a unique aerofoil. Using Bernoulli Effect, the active control element of the CAR-S-II A is a unique aero-wing damper that lifts in response to increasing static pressure. This operation regulates the free-area opening through the control, resulting in maintenance of velocity and specific airflow set points. Each CAR-S-II A is designed and produced for control of air in temperatures ranging from -25° to 140° F (-32° to 60° C.)

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