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>>>diifusers for supply and return air (square or jet or linear diffuser )
must be installed with a neck
fixed control air direction
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>>>grills for supply and return air (return bar grills or side wall grill )
must be installed with a neck or direct on the duct
fixed control air direction in return bar grills
manual control air direction in side grill
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>>>register = grill + damper
must be installed with a neck or direct on the duct
fixed control air direction in return bar grills
manual control air direction in side grill
Diffuses can be with control or without control and have variety of shapes and applications.
Grilles is without damper and register is with damper to control air movement\\flow
check the link below it describes exactly what u asked for :
http://www.achrnews.com/events/-proper-selection-of-grilles-registers-and-diffusers
Grille: A fixed opening through which air passes. Typically used for return air applications.
Register: A grille equipped with a damper which supplies conditioned air. Typically used for supply air applications.
Diffuser: An air flow device designed to discharge conditioned air in a specific direction, path, or pattern. Used for supply air applications
GRD – Grilles, Registers, and Diffusers
هل تحتاج لمساعدة في كتابة سيرة ذاتية تحتوي على الكلمات الدلالية التي يبحث عنها أصحاب العمل؟