The ECCODUCT™ system is a rectangular spiral seamed duct embedded in the structural concrete floors of high-rise buildings. The length of the rectangular duct size would range from 0.7mm to 0.9mm galvanised mild steel depending on size. Perforated. for example duct size is2' X3' and length =10'. Maximum Size of Duct - or Pipe - through Steel Joists - K series joists and maximum size of ducts and pipes; Rectangular Air Ducts - Velocity Diagram - Velocity diagram for rectangular air ducts - metric units; Spiral Ducts - Dimensions - Standard dimensions of spiral ducts - Imperial units Model # Diameter Carton Qty. Colour duct. find area ((2 +3)X2)X10' =100 sq.ft. For suspension and support, the weight of dust collection duct is calculated as the weight of the duct itself, plus the weight of the sawdust filling half the duct. metric conversion chart a.6 duct surface area in square feet per lineal foot a.7 galvanized sheet weight a.8 approximate weight-round duct in pounds per lineal foot a.10 area and circumference of circles a.11 angle, bar & channel properties a.12 2″ w.g. SUBURBAN SHEET METAL LTD Mailing Address P.O. O.D. Before you get in to the estimation you have to consider two things in the drawing sheet. Kennedale, TX 76060 Phone (817)478-0801 Fax (817)483-6571 Page 2 of 43 TABLE 1-1 … Single Wall Spiral Pipe Specifications for HVAC Industrial Ductwork Sheet Metal Connectors, Inc. spiral pipe is formed from a coil of metal into a rigid steel tube with a 4-ply spiral lockseam. Spiral duct is light weight, reducing both manufacturing costs and the costs of installation. Spiral Pipe Diameter Available in 3-inch to 36-inch diameter No painting required, will last years outdoors. It has smooth interior for low … A comprehensive duct layout indicating sizes, design airflows, pressure class, and routing of the duct system. Spiral Pipe and Fittings Product Pages. The primary use of ECCODUCT™ is to exhaust air from bathroom fans, range hoods, and clothes dryers, but can also be used for fresh air intake and supply air. Spiral Welded Tubing. Duct work is otherwise called as duct system. Flat oval duct available on request Description: The AJS range of spiral wound rigid duct is specifically designed for the HVAC industry. Spiral ducting can be used to great advantage over ordinary circular or rectangular ducts. RSC is a “Scotty” take-off. This psychrometric chart use ASHRAE equations at normal temperature and pressure region and is perfectly consistent with all ASHRAE charts of No.1-7(SI Units) and No.1-5(IP Units). These excel sheets will enable you to calculate or estimate the duct weight or the duct surface area. x 34”, it is 25.7”. Other ... refer to the chart on 1-5 for more information on angle sizes. Ft. Round Selection Chart. for above case it will be9.3 X4.5 =41.8 Kg. Gauge Sheet Steel Galvanized Steel Stainless Steel Aluminum Gauge Decimal Lbs. The types of fittings to be used based on the designer's calculations of fitting losses (i.e., square versus … Flat Oval has many advantages over rectangular duct: better airflow, lighter weight, longer lengths, rapid availability, easy to adjust to length and easier to install. Black mild steel. Rigid, Semi Rigid & Flexible Duct Rigid, Semi Rigid & Flexible Duct Holyoake Air Management Solutions – 2011 SPIRO-SET Spiro-set is a light weight air duct, machine formed in a continuous spiral from aluminium strip coil stock, corrugated and seamed with a four ply lock seam, creating an airtight tube which can be easily cut to length and bent Ventilation - Systems for ventilation and air handling - air change rates, ducts and pressure drops, charts and diagrams and more; Related Documents . Ft. Mostly it would be in millimeters. Spiral Pipe Gauge We manufacture spiral pipe in 18, 20, 22, & 24 gauge galvanized metal. Spiral Manufacturing offers several methods to internally insulate single-wall spiral pipe using specially engineered insulation (duct liners) designed specifically for this application. Information Required for Duct Construction 1. Spiral Helix offers an Ovalizer (also known as an Oval Spiral Pipe Machine) to manufacture oval ductwork. A full range of matching fittings are available for all sizes of Flat Oval ductwork. Specialty Metals available for Spiral and Rectangular Ductwork Find the area of duct first. 2. Oval allows an for “equivalent round” of a spiral pipe diameter in specs where ceiling height is a factor. The primary purpose for this development was the increasingly severe temperatures and pressures used Model # Diameter Carton Qty. Box 739 Kennedale, TX 76060 Physical Address 528 S. Eden Rd. Aluminum plate air duct bite joint: When the wall thickness δ of aluminum duct and accessories is less than or equal to 1.5mm, it can be connected by bite. SEMCO spiral duct and fittings are fabricated from galvanized steel meeting ASTM A653 and A924. Two choices are 16” x 38”, with an equivalent round of 25.8”, or 14” x 45”, with an equivalent round size of 26.1”. This means 18” x 34” flat oval spiral duct will have the same friction loss as 25.7” round spiral duct. Stronger than other pipe – Our pipe is up to 20% stronger than smooth pipe systems of the same gauge, due to the added spiral reinforcement. † Minneapolis, MN 55448-3158 Phone: 763-755-7677 † 800-426-3643 † Fax: 763-755-6184 Spiral Galvanized Pipe Weight Table per Sq. Manufactured from light gauge slit coil galvanised mild steel (as standard), incorporating an air … Fantech ... spiral ducting' 1 / 3 'flat oval duct eccomfg com may 3rd, 2018 - flat oval duct and fittings … Building Tips Wright Flyer s Model Airplane Club. • Allow spacing equal to 1/4 of duct diameter between the Gripple fastener and duct. • Chart is for No.2 & No.3 hangers in standard 5’, 10’, 15’, 20’ and 30’ lengths. Weight (lbs) 3 7/8 x 1 x 10 gauge 3.062 6 9/32 4.312 0.70 Title: Duct System Sizes and Airflow Quick Chart Created Date: 8/21/2006 11:56:03 AM Air duct also termed as ductulator is a passage that is used to provide fresh air into rooms, buildings etc., Air ducts may be in circular, square and in rectangular shapes. Oval Spiral Pipe Machine. SPIRAL WOUND GASKETS First and Foremost The concept of spiral wound gasket construction was originated by Flexitallic in 1912, starting a new era in safe, effective sealing. In use, spiral duct is strong, efficient in reducing leaks, and resistant to mold. • Spiral duct under 36” can be single point hung. Related Topics . This online air duct calculator is used to calculate the velocity of air flow feet per minute (FPM), and feet per second (FPS) through any shaped (circle, square or rectangle) ductulator with either diameter, sides or area. Next, find 25.7” for a flat oval with a smaller minor axis. Table of Contents 4 Products to Meet Your Needs 6 Solutions for Every Challenge 8 SofouchtT ™ Duct Wrap 10 ToughGard® R Duct Liner 12 oughGarT d ® T Textile Duct Liner 14 oughGarT d ® Ultra*Round™ Spiral Duct Liner 15 oughGarT d ® Rigid Liner Board 16 ToughGard® BMC Liner Board ToughGard® Duct Board 18 Provided here is the rectangular duct sizes chart for your personal reference and this chart / table shows the duct size (cfm) and their equivalent diameter in inches. The ovalizer takes existing spiral … narrowscope duct construction 1) units of height and width of a duct. Size for size, spiral ducting is structurally stronger and more rigid and therefore can be supplied in longer lengths, thus reducing the cost of installation and minimising any leakage from a system. The length of the typical spiral duct is 3~6m, and the length of a typical rectangular duct is the only 1~1.5m; and the connection of two spiral ducts requires only one pipe joint, while the connection of conventional rectangular ducts often requires a completely independent double flange system. Standard Guages; Normal Diamter: 1.2 mm: 1.6 mm: 2.0 mm: 3.0 mm: 4.0 mm: 5.0 mm: Metric =100/(3.28X3.28) = sq.meter =9.3 sq.meter if the duct is24 gauge then kg/m2 =4.5 approximately multiply area(m2) by kg/m2 we will get weight in kg. δ> 1.5mm adopts gas welding or argon arc welding. Weight UPC Item Code (050206) TTO6 6" 10 11.6 lb 931141 RSC7X6 6" 6 7 lb 931660 Top Take-Offs For transition from air plenums or rectangular duct to round pipe or insulated lexible duct. per Sq. Gauge and Weight Chart for Sheet Steel, Galvanized Steel,Stainless Steel, and Al September 1st, 2004 This article provides a quick reference to gauges of material, pounds per square foot, and gauge decimal equivalents. Spiral ducting can be used to great advantage over ordinary circular or rectangular ducts. 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 Gauge Decimal Lbs. Psychrometric Chart + Duct Calculator is a precise and powerful tool designed for HVAC&R engineers. Psychrometric Chart + Duct Calculator. narrowscope duct construction: table 1-5 e4: a.13 2″ w.g. Size for size, spiral ducting is structurally stronger and more rigid and therefore can be supplied in longer lengths, thus reducing the cost of installation and minimising any leakage from a system. Table 4 has nominal design weights for Vocational Woodworking Shop Dust Collection Systems using spiral lockseam duct. 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