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[DOCX File]23 33 00 - DOA Home
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Dampers must be type B curtain type with curtain 100% out of air stream. Dampers larger than 30” by 30” or with velocity rating requirements of 3000 fpm or higher, may be multiblade type with blades located in the airstream. Velocity ratings and static pressure ratings as indicated on the drawings.
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Dampers - Ruskin Authority in Air Control, Fire / Smoke ...
AMCA 500 - Test Methods for Louvers, Dampers and Shutters. ASHRAE 62 - Ventilation for Acceptable Indoor Air Quality. Title 24, Part 6, of the California Code of Regulations - California's Energy Efficiency Standards for Residential and Nonresidential Buildings. International Mechanical Code (IMC). International Energy Conservation Code (IECC).
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[DOC File]Dampers - Balancing
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Balancing dampers for mechanical forced air ventilation and air conditioning systems. Related Sections: Section 01 33 00 – Submittal Procedures. Section 01 35 29.06 – Health and Safety Requirements. Section 01 45 00 – Quality Control.
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[DOC File]SECTION 237400 - PACKAGED OUTDOOR HVAC EQUIPMENT
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[Dampers: Provide manual outside [and return] air dampers for fixed outside-air quantity.] [Dampers: Provide remote-controlled outside [and return] air dampers with damper operator and remote rheostat for adjusting outside-air quantity ] [Dampers: Provide outside, return, and relief dampers with damper operator and control package to ...
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[DOCX File]Section 23 73 00 - INDOOR CENTRAL-STATION AIR …
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D.Leakage and test requirements for air handling units shall be the same as specified for ductwork in Specification Section 23 31 00, HVAC DUCTS AND CASINGS except leakage shall not exceed Leakage Class (C L) 12 listed in SMACNA HVAC Air Duct Leakage Test Manual when tested at 1.5 times the design static pressure. Repair casing air leaks that ...
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[DOC File]storage.googleapis.com
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Bolting dampers in place - The dampers have 1-1/2 wide flange with bolthole spacing not exceeding 4-inch centers (distance varies depending on damper size). This is in accordance to recommended practices of ERDA 76-21, Nuclear Air Cleaning Handbook. When installing dampers, mating flanges are required to provide a proper seal.
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[DOC File]SECTION 233313-CONTROL DAMPERS
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Manual balancing dampers suitable for application in HVAC systems with velocities to 1,500 feet per minute (7.7 m/s). 1.2 SUMMARY Section 233100 – HVAC Ducts and Casings (Previously 15810).
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[DOC File]SECTION 237433 - DEDICATED OUTDOOR-AIR UNITS
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Damper Leakage: The dampers for outside air and exhaust air to be low leak galvanized steel dampers for the commercial heating and air conditioning industry that meet California’s Title 24, IECC 2015, and ASHRAE 90.1 requirements.
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Dampers - Ruskin Authority in Air Control, Fire / Smoke ...
For over 40 years, Ruskin's innovative and cost-effective commercial control dampers have set the standard for engineers and architects. Ruskin understands customer needs and provides them with effective solutions for even the toughest air control products.
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[DOCX File]Section 23 31 00 - HVAC DUCTS AND CASINGS
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A.Galvanized steel, interlocking blade type, UL listing and label, 11/2-hour rating, 70 degrees C (160 degrees F) fusible line, 100 percent free opening with no part of the blade stack or damper frame in the air stream. B.Fire dampers in wet air exhaust shall be of stainless-steel construction, all others may be galvanized steel.
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Manual air dampers