12 inch diameter duct
[DOCX File]Section 23 31 00 - HVAC DUCTS AND CASINGS
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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. 5.NCA Master Specifications do not include information for fibrous glass ductwork, flat oval ductwork, or double wall ductwork. If project is to include any of these types of ductwork, the ...
SECTION 233113 - METAL DUCTS
Support round steel ductwork from construction by 1 inch by 18 gauge (25 mm by 1.3 mm) galvanized strap hangers with inside radius of loop hanger equal to outside radius of duct. For ducts under 12" diameter, provide supports 10 feet (3 m) o.c.; 12 feet (3.6 m) and over, 6 feet (1.8 m) o.c. Provide not less than one hanger per branch and at ...
[DOCX File]SECTION 260543 - UNDERGROUND DUCTS AND RACEWAYS FOR ...
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The mandrel shall be at least 12 inches long, and shall have a diameter 1/2 inch less than the inside diameter of the duct. After mandreling, pull a brush with stiff bristles through each duct to remove the loosened particles. The diameter of the brush shall be equal to or slightly larger than the diameter of the duct.
[DOCX File]Price Industries - The Science of Comfort
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Furnish and install Price Model MSBG duct/barrier grilles of sizes and mounting types designated by the plans and air distribution schedule. Construction: The grilles shall be [coated steel] or [stainless steel] construction, consisting of a 3/16 inch thick sleeve with stitch welded seams. One frame shall be welded 1 inch from the end of the grille; the other frame shall be shipped loose for ...
[DOCX File]Section 23 31 00 - HVAC DUCTS AND CASINGS
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B.Openings shall be as large as feasible in small ducts, 300 mm by 300 mm (12 inch by 12 inch) minimum where possible. Access sections in insulated ducts shall be doublewall, insulated. Transparent shatterproof covers are preferred for uninsulated ducts. 1.For rectangular ducts: Refer to SMACNA HVAC Duct Construction Standards (Figure 212).
[DOC File]SECTION 260543 - UNDERGROUND DUCTS AND RACEWAYS FOR ...
https://info.5y1.org/12-inch-diameter-duct_1_c8055d.html
Warning Planks: Bury warning planks approximately 12 inches above direct-buried ducts and duct banks, placing them 24 inches o.c. Align planks along the width and along the centerline of duct bank. Provide an additional plank for each 12-inch increment of duct-bank width over a nominal 18 inches. Space additional planks 12 inches apart, horizontally.
[DOC File]Section 23 31 00 - HVAC DUCTS AND CASINGS
https://info.5y1.org/12-inch-diameter-duct_1_6a5c12.html
k. 23 31 00-11 Flexible Duct Connections. l. 23 31 00-12 Section Thru Fire Damper Installation . m. 23 31 00-13 Flat Oval Duct Hangers/Reinforcement. n. 23 31 00-14 Round Duct Hangers. o. 23 31 00-24 Flexible Air Duct Connector. p. 23 31 00-26 Linear Slot Diffuser. PART 1 GENERAL . 1.1 DESCRIPTION . A. Ductwork and accessories for HVAC including the following: 1. Supply air, return air ...
[DOCX File]CANOPY HOOD - Hamilton Lab
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Exhaust duct, furnished by others, shall be 12 inch, diameter. Exhaust duct, furnished by others, shall be connected to the canopy hood and shall provide the proper exhaust in cfm. as specified. The underside of hood shall have a removable two piece baffle, set up, 3 inch with a one inch slot around the entire perimeter. Baffle 3/4 inch, No. 11 gauge angles shall support the baffle. A water ...
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