316 0 obj <>/Filter/FlateDecode/ID[<222C440076951220038DCC8C1AD7484C><06A5AF3170D9A045B3B08C526240DF18>]/Index[287 45]/Info 286 0 R/Length 133/Prev 562212/Root 288 0 R/Size 332/Type/XRef/W[1 3 1]>>stream maximum weights of duct or combination ducts per linear foot. per Sq. Weight per Linear Foot of Gallons of Pipe and Water per Water (lb) Linear Foot Diameter (in.) VÕ®ÝtÏxÆÓ¸Çn,ìoj×eÕªu¯½Ï||t'Žÿpyuøåoêñw:HS©½t?9äV/mI@tǧ‡"]ŸJâ'ìM`ŽyBDž0 º s&ÄúÙO˜tVKiƒÚóƺAí@uX,Œ„M÷0 ×¾4pC>n}=H—^€A™4¡öz}× ”É”I™|#9²¦@Îd_Ã1G ÙúSáÆëÖf\ aªÀÆRÑÁs­Œžk cå`8CÁdJbBQî r.r|àŒO˜µªVzÐääą«Jžœ H–‡[?^ Custom Architectural Sheet Metal Fabrication Our Craftsmen are Copper and Zinc Specialists! Mid-States HQ: 1716 Guinotte Avenue, Kansas City, Missouri 64120, US :: 800.825.1410 932.58 Kg. 331 0 obj <>stream – 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 creates the same amount of flow volume as rectangular, but 20-Ft . h�bbd```b``� �� �q?�d�fo�,�`5�`�Lڂŷ���`��|6�D����j��A Rp�d��h"���v���&� �VX�D*>����. OF SQ.FT. @��f&F�u`[�F�g`�� � �o| This is the number of square inches in the duct area. MÄù»ò 1‰g¢8W/ U²1`¶*Ù+‚±*†E{l! %%EOF Every household needs proper maintenance and care. %PDF-1.5 %���� Then click on calculate. Choose the alloy type, shape, and number of pieces and enter the dimensions to calculate the total weight. 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 Weight in Lbs. 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. h�b```f``*f`g`��� Ȁ �,l@�a��ԣ� SIMPLE STEEL WEIGHT FORMULAS Simply enter data indicated (Decimal Inches), move from left to right making computations by factors as sho wn. 15 Single Wall Round To calculate the rectangular duct area, we need height, width and length. Rectangular duct is available in sizes from 6” x 8” to 27” x 48”. per Sq. ȃ���]L��S�K;��`q6�1�`:��S�e�&�:Ƒ��z>�]��Gc����Ӑ9����?γ58'�I�����e8��^��P��p(e���P��!W��r� ��E��=Z:X��!��� &�/�Gwc����F?�U�A�DO�����_ó��?�כ�?��Y;�U��$x���J�8�9,6_.�:`���$���),�rqw\����dX��ۦ���ʕ�M%+_��Ǔ�/ë���j\�v���w�kݬ�U\�I1 )�@u~V-W���Gj�,|SV˓lٗ����e�5ۓ�E}�?���f���P��nRÊ/.�`zۅ��6h��c�&�9̥���\ Front of calculator includes scales for friction, velocity, round duct size, weight per linear foot of round duct, surface area in square feet per lineal foot of round duct, rectangular equivalents of round duct sizes, weight per linear foot of rectangular duct and surface area in square feet per linear foot of Rectangular duct. Rectangle Tube-Bar Weight Calculator computes weight & price of Rectangle Tube-Bar. narrowscope duct construction: table 1-5 e5: a.14 x Always try to get closer to a 1 to 1 aspect ratio as it is more efficient and less costly. 0 This calculator is designed to give the approximate weight of sheet metal, based on length, width and thickness. They are welded from the inside to form their shape. =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. If anything damaged, it can cause real trouble. Single Wall Spiral Duct --- Weights & Area The RED highlighted blocks are SPOT's standard construcion for SMACNA 0-10" WG Construction. Gauge and weight chart for sheet steel, galvanized steel, stainless steel, aluminum and strip & tubing: 1 ft2 = 0.0929 m2 1 lb = 0.4536 kg narrowscope duct construction: table 1-5 e4: a.13 2″ w.g. when the quantity take off is completed, take 10% extra of duct this will resolve the quantity assumption . Sheet metal weight and gauge chart. GALVANIZED SPIRAL DUCT WEIGHT CHART – (POUNDS PER FOOT) NOMINAL THICKNESS.0187.0217.0276.0336.0396.0516 Dia. per Linear Foot of Duct. 6FʟBŠ}3Ê"„&È$v‘[. for above case it will be9.3 X4.5 =41.8 Kg. WEIGHT CHART DUCT SIZE SURFACE AREA WEIGHT – LBS PER LINEAR FOOT OF DUCT (1/2 OF GIRTH) NO. endstream endobj 288 0 obj <> endobj 289 0 obj <> endobj 290 0 obj <>stream The Duct Sizing Calculator is a hand held sliding calculator used for sizing supply and return duct systems using the equal friction, or velocity reduction design method. h��mo"7���?�tJ��&��8ª�Kt�椕?l�G��]���¿��^H��r�X!�=3�?�T#�85�i�E����0R�e4�)�`�%@���`��B�-���,�3‚ N��s�p�>}��zU7�M1�aҪA�@61�$� Per Foot Per Foot SQUARE Diameter x Diameter x 3.4032 = Lbs. Per Foot HEXAGON *Diameter x Diameter x 2.9437 = Lbs. Select the thickness. Gauge Decimal Lbs. Total Amount. ft per lineal foot A 18 x 8 duct has approximately 4.33 sq. A 12 x 12 duct has approximately 4 sq. 287 0 obj <> endobj 08/17 �`�[׼�1�wn矖kE%�y��Mۚ�r�g�`5X##��l������R�!�m�B�E}��f~+� �`��hD���>�g��G��4+�E�"X,�1mbd����œ��� ��%'�ZP�1�ᆔK� ��W�% ՚�rw[ �'��h~�,l�2p��š�{���d�� � 1�p; 20-Ft . ROUND Diameter x Diameter x 2.6729 = Lbs. duct. 28ga 26ga 24ga 22ga 20ga 18ga 3” 0.66 0.76 1.01 1.23 1.46 1.98 4” 0.88 1.02 1.35 1.64 1.94 2.64 5” 1.10 1.28 1.69 2.06 2.42 3.30 schedule of center bracing for rectangular ducts conn. to structural support’g member wt. in Per Per 12-Ft . inches inch Foot bar bar inches inch Foot bar bar 6 8.019 96.22 1155 1924 1/4 8.701 104.4 1253 2088 1/2 9.411 112.9 1355 2259 3/4 … edge distance for bolts the ducts maximum dimension shall govern what bracing is required example: a 36"x60" duct shall be braced as a 60" sq. HVAC Duct Quantity, Weight and Area Calculator Then, measure the length of the duct--in inches--and multiply by the circumference. Round ductwork is subject to duct suction collapse, and requires stiffeners to minimize this, but is more efficient in material than rectangular duct work. 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