Manual volume damper
[DOC File]PART 1
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Provide unit with a premium quality motorized outside air damper and a manual volume damper for fixed outside air makeup quantity. The final equipment location and design selection design shall comply with the maximum noise criteria levels specified in paragraph 2.3(E) of Section 15070 – Mechanical Sound and Vibration Control for classrooms ...
[DOC File]SECTION 15820 - DUCT ACCESSORIES
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MANUAL-VOLUME DAMPERS. General: Factory fabricated with required hardware and accessories. Stiffen damper blades for stability. Include locking device to hold single-blade dampers in a fixed position without vibration. Close duct penetrations for damper components to …
[DOC File]GULF HVAC DUCTS TECHNICAL CATALOGUE
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The Manual Volume Control Damper is manufactured from galvanized steel sheets. Confirming to ASTM A 527 G90 coating. SMACNA. STANDARD. CONSTRUCTION. Its body is mode out of gauge 18G/20G. Its blades are from 18G/20G Gauge G.S. sheet, mounted on bronze bushes and operated by shaft of dia with the help of a continuous linkage which allows the ...
[DOCX File]23 33 00 - DOA Home
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Install manual volume dampers in each branch duct and for each grille, register, or diffuser as far away from the outlet as possible while still maintaining accessibility to the damper. Install so there is no flutter or vibration of the damper blade(s).
Section 15820 - Dampers
DAMPER ** NOTE TO SPECIFIER ** CDRAMS round damper/ airflow monitor with ventilation controller. Suitable for application in HVAC systems with velocities from 150 to 2,000 feet per minute (45 to 610 m/min). . 4 inches w.g. maximum pressure. For higher system pressures consult Ruskin. .
[DOC File]MECHANICAL DESIGN CRITERIA
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Provision shall also be made for a manual volume damper on the duct downstream of the motorized outside air damper to properly balance the required quantity of outside air. Demand control ventilation (DCV) through the use of CO2 sensors or other approved method is to be explored in areas requiring large amounts of outside air such as the ...
[DOCX File]Section 23 31 00 - HVAC DUCTS AND CASINGS
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h. 23 31 00-08 Volume Damper Detail. i.23 31 00-09 Access Panel and Door Detail. j.23 31 00-10 Access Section Round Duct. k.23 31 00-11 Flexible Duct Connections. l.23 31 00-12 Section Thru Fire Damper Installation. m.23 31 00-14 Round Duct Hangers. n.23 31 00-24 Flexible Air Duct Connector. o.23 31 00-26 Linear Slot Diffuser
[DOCX File]SECTION 23 33 00
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Omit manual balancing damper at single diffuser served by a single air terminal box. The use of splitter dampers is not acceptable. Install remote damper actuators where the volume damper is not accessible. Field paint the remote actuator cap to match the adjacent ceiling finish. FIELD QUALITY CONTROL.
[DOCX File]Home | Infrastructure Planning and Facilities
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Manual volume damper installations. Control damper installations. Fire-damper, smoke-damper, combination fire- and smoke-damper, ceiling, and corridor damper installations, including sleeves; and duct-mounted access doors and remote damper operators. Retain subparagraph below if …
[DOC File]SECTION 233300 - AIR DUCT ACCESSORIES
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Volume Damper Fabrication: Single blade dampers shall be reinforced or crimped for rigidity, with pivot rod extending through duct. Dampers over 12 inches high shall use multiple opposed blade damper. Single blade damper shall be no larger than 12 inches by 48 inches. Multiple blade damper factory fabricated, Ruskin MD-35 or equal.
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