2. PER LINEAR FT. 28 GA 26 GA 24 GA 22 GA 20 GA 18 GA 16 2.67 2.32 2.69 3.43 4.17 4.92 6.40 WEIGHT CHART DUCT SIZE SURFACE AREA WEIGHT – LBS PER LINEAR FOOT OF DUCT (1/2 OF GIRTH) NO. Academia.edu is a platform for academics to share research papers. Table A3.2-1; Maximum Recommended Round Duct Weights for Sizing Seismic Restraints [Maximum Values of Tables A3.2.2 & A3.2.6] Duct Diameter (in) Duct Area (ft2) Duct Weight (lb/ft) 30 4.9 20 33 5.9 22 36 7.1 24 48 12.6 33 60 19.6 41 84 38.5 69 Round ductwork is subject to duct suction collapse, and requires stiffeners to minimize this, but is more efficient in material than rectangular duct work. Square-Rectangular Weight Per Foot Other Sizes Available on Request - Theoretical Weights www.TUBULARSTEEL.com Square Rect. FT. Pipe Weight Formula - This formula can be used to determine the weight per foot for any size of pipe with any wall thickness. Table A3.1-7; SMACNA1 – Maximum Weight for Rectangular Duct Duct Width (in) Duct Height (in) Duct Area (ft2) Duct Weight (lb/ft) 30 30 6.3 17 42 42 12.3 29 54 54 20.3 46 60 60 25.0 54 84 84 49.0 103 96 96 64.0 129 54 28 10.5 34 60 30 12.5 39 84 42 24.5 74 96 48 32.0 97 108 54 40.5 110 120 60 50.0 121 Specifications Operating and proof pressure 15 and 22.5 psig immersed in 130ºF water Vacuum either formed as part of the lay-up -13 psig Temperature variation procedure or are mechanically Per RTCA/DO-160D, section 5- modified Temperature shock -40ºF followed by immersion into 60ºF water Foot per Minute: It is a speed conversion unit used commonly in both Imperial And U.S. System. Large process ductwork may fill with dust, depending on slope, to up to 30% of cross section, which can weigh 2 to 4 tons per linear foot. Before you get in to the estimation you have to consider two things in the drawing sheet. Actual costs will depend on job size, conditions, and options. Approximate Weight Spiral Duct In pounds per linear foot - Based on galvanized steel. Galvanized Round Duct Weight. 11 approximate weight spiral duct in pounds per linear foot based on galvanized steel''Square and Rectangle Weight Per Foot and Bundle Chart May 2nd, 2018 - Square and Rectangle Weight Per Foot and Bundle Chart 6226 West 74th Street Chicago IL 60638 1 800 376 6000 1 708 563 1950 FAX itctube com www independencetube com' To estimate costs for your project: 1. The formula is: Wt/Ft = 10.69*(OD - Wall Thickness)*Wall Thickness Outer Diameter (i.e.10.75 or 8.625 inches) Water is flowing through the channel at an average velocity of 16 feet per second. However, you can use this chart of typical FRP piping and contents to estimate the total per lineal foot. foot for horizontal runs exceeding 75’ – UL has approved 1/16” per foot slope for round, listed systems • Rounded bottom – less area for grease to pool • Since cylindrical - very small buildup will result in tendency to flow; unlike rectangular systems – Hydraulic flow calculation methods prove that round duct Aluminum Rectangle Tube Weight Calculation Material Alloy Steel Aluminum Beryllium Brass Bronze Cast Iron Columbium Copper Copper Alloys Gold Lead Magnesium Molybdenum Nickel Plastic Silver Stainless Steel Tantalum Titanium Tungsten Zinc Zirconium Expect to pay $35-$55 per linear foot (including labor and materials). 1) units of height and width of a duct. These excel sheets will enable you to calculate or estimate the duct weight or the duct surface area. Table gives weight of galvanized steel ducts in pounds per lineal foot. Online metal weight calculator which helps to calculate the weight of Aluminum Rectangle Tube metal. But, while calculating the SG of a substance only requires using the formula, finding the weight of FRP piping and contents is more difficult. Weight per Linear Foot of Gallons of Pipe and Water per Water (lb) Linear Foot Diameter (in.) Table includes 25% allowance for bracing, hangers, reinforcing, joints, and seams. 1 m/s equals 196.8503 ft/min. Design CFM 4" CFM 6" CFM 8" CFM 10" CFM 12" 60 6x4 60 4x6 90 4x8 120 4x10 150 4x12 90 8x4 110 6x6 160 6x8 215 6x10 270 6x12 120 10x4 160 8x6 230 8x8 310 8x10 400 8x12 150 12x4 215 10x6 310 10x8 430 10x10 550 10x12 180 14x4 270 12x6 400 12x8 550 12x10 680 12x12 210 16x4 320 14x6 490 14x8 670 14x10 800 14x12 240 18x4 375 16x6 580 16x8 800 16x10 950 16x12 270 20x4 430 18x6 … Notes: 1. The estimated total weights are provided for various values of specific gravity of contents. To help with that, we’ve got our handy weight calculator here. Then multiply F by the density of the insulation in pounds per cubic foot. Mostly it would be in millimeters. .049 .065 .083 .095 .109 .120 .134 3/16 1/4 5/16 3/8 1/2 5/8 Set Project Zip Code Enter the Zip Code for the location where labor is hired and materials purchased. That’s .250 manhours multiplied by $40.04 per man-hour and rounded to the nearest penny. Material Nominal Inner Outer Steel Schedule 80 3/8 0.423 0.675 0.798 0.007 Schedule 80 1/2 0.546 0.840 1.189 0.012 Schedule 80 3/4 0.742 1.050 1.686 0.026 Schedule 80 11/ 1/ 1/ / Single Wall Spiral Duct --- Weights & Area The RED highlighted blocks are SPOT's standard construcion for SMACNA 0-10" WG Construction. per hour. CFM: It is a unit to measure the velocity of the flow of air and can be expressed as ft 3 /min. In the duct area a platform for academics to share research papers is hired materials... Platform for academics to share research papers duct area Enter the Zip Code the. 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