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[DOCX File]Section 23 31 00 - HVAC DUCTS AND CASINGS
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Duct leak test for fume exhaust ducts, and stainless steel welded ducts: The duct section under test shall be pressurized to 7 inches (177 mm) w.g. and the air "locked-in" to the duct. The pressure will be allowed to fall to 5 (125 mm) of water for an average of …
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[DOC File]Form FSD-1 - Fire/Smoke Damper Acceptance
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For supply, return and exhaust systems, locate balancing dampers in each branch duct. Runouts to registers and diffusers: located as close as possible to main ducts. All dampers to be vibration free. Ensure damper operators are observable and accessible. cleaning. Proceed in accordance with Section 01 74 00 - Cleaning.
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[DOCX File]END OF SECTION - University of Houston
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E.Wet Air Exhaust Ducts and Accessories: Ducts for dishwashers, scullery hood, cart washers, manual cart washers, cage washers, steam sterilizer hoods and orthotics hoods shall be 1.3 mm (18 gage) stainless steel made liquid tight with continuous external weld for all seams and joints. Provide neoprene gaskets at flanged connections.
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[DOC File]Dampers - Fire and Smoke
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Duct Sealing, Air Leakage Criteria, and Air Leakage Tests: Ducts shall be sealed as per duct sealing requirements of SMACNA Standards for duct pressure classes shown on the drawings. Duct accessories exposed to the air stream, such as dampers of all types (except smoke dampers) and access openings, shall be of the same material as the duct or ...
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What is a Duct Damper?
c. Detectors mounted in return air ducts are mounted 6 – 10 duct equivalent diameters from return air inlets? Yes No N/A . d. Detectors mounted in supply side air ducts are located upstream of all fans and filters? Yes No N/A . e. Location of all duct detectors is clearly and permanently identified? Yes No . f.
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[DOCX File]Section 23 31 00 - HVAC DUCTS AND CASINGS
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Air duct connections: Round control dampers enable quick and cost-effective installation to ducts without transitions. The YORK® EcoAdvance™ 1000E has a durable finish, sturdy construction, and reflective insulation, making it compatible with indoor installations.
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[DOC File]Dampers - Balancing
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Equip sleeves or frames with perimeter mounting angles attached on both sides of wall or floor opening. Construct ductwork in fire-rated floor-ceiling or roof-ceiling assembly systems with air ducts that pierce ceiling to conform with ULC. Design and construct dampers to not reduce duct or air transfer opening cross-sectional area.
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[DOCX File]YORK® ECOADVANCE™ 1000E Module Overview - Johnson …
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Dampers: Install balancing, splitter and backdraft dampers where shown on the Drawings and wherever necessary for complete control of the airflow, including all supply, return and exhaust branches, "division" in main supply, return and general exhaust ducts, each individual air supply outlet and fresh air ducts. Where access to dampers through ...
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Dampers for air ducts