8 inch galvanized steel duct
[DOCX File]Section 23 31 00 - HVAC DUCTS AND CASINGS
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Blade Axles: 15 mm (1/2 inch) diameter; //galvanized steel// //stainless steel// //nonferrous metal//; blade-linkage hardware of zinc-plated steel and brass; ends sealed against blade bearings. Operating Temperature Range: From minus 40 to plus 93 degrees C (minus 40 to plus 200 degrees F).
[DOCX File]SECTION 23 33 00
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Multiple Blade Dampers: Fabricate with 16 gage galvanized steel frame and blades, oilimpregnated bronze or stainless steel sleeve bearings and plated steel axles, stainless steel jamb seals, 1/8 x 1/2 inch plated steel concealed linkage, stainless steel closure spring, blade stops, and lock, and 1/2 inch actuator shaft.
[DOC File]Ductwork
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Apr 13, 2007 · Galvanized steel shall be in accordance with ASTM 5261; black or galvanized as herein after specified. DUCTWORK. Ductwork shall be galvanized steel, except as noted, in accordance with SMACNA HVAC Duct Construction Standard, except as noted. Provide gauges, construction and reinforcement as follows: Pressure class 2 inch. w.g.
[DOCX File]SECTION 23 34 23.06 – CEILING MOUNTED VENTILATORS
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Select 8 inch duct for T200L - T300L fans. Configuration: Side inlet and outlet connections for [6 inch (152 mm)] [8 inch (203 mm)] diameter duct, as indicated on Drawings. Housing: 20 Ga, 0.0396 inch (1.0 mm) galvanized steel.
[DOC File]SECTION 260543 - UNDERGROUND DUCTS AND RACEWAYS …
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Rigid steel conduit is often used with underground ducts at bends and stub-ups. Coordinate with Part 3 "Underground Duct Application" Article. Rigid Steel Conduit: PVC-Coated Steel. Comply with NEMA RN 1. Coating for Fittings for PVC-Coated Conduit: Minimum thickness of 0.040 inch, with overlapping sleeves protecting threaded joints.
[DOCX File]Section 23 31 00 - HVAC DUCTS AND CASINGS
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2.Rectangular Duct: Galvanized steel, minimum 1.0 mm (20 gage), Pittsburgh lock seam, companion angle joints 32 mm by 3.2 mm (11/4 by 1/8 inch) minimum at not more than 2.4 m (8 feet) spacing. Approved pre-manufactured joints are acceptable in lieu of companion angles.
SECTION 260533 - ELECTRICAL CONDUIT
½ inch (13 mm) EMT/FMC or 3/8 inch (10 mm) FMC permitted under certain conditions addressed elsewhere in these Specifications or as detailed on the Drawings. ... Wrap direct-buried galvanized steel conduit with two layers of half-lapped 10-mil thick, black virgin vinyl polyethylene tape or factory-applied epoxy or PVC coating. ... Duct spacers ...
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