SECTION 233313- DAMPERS

ACTUATOR OPERATED BACKDRAFT DAMPERS. GENERAL. SECTION INCLUDES. Extruded aluminum actuator operated backdraft dampers suitable for application in HVAC systems with velocities to 1,250 feet per minute (6.4 m/s). RELATED SECTIONS. Section 233100 – HVAC Duct and Casing (Previously 15810) Section 230913.13 – Actuators and Operators (Previously ... ................
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