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– 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|
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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. 6FÊB}3Ê"&È$v[. for above case it will be9.3 X4.5 =41.8 Kg. WEIGHT CHART DUCT SIZE SURFACE AREA WEIGHT – LBS PER LINEAR FOOT OF DUCT (1/2 OF GIRTH) NO. endstream
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The Duct Sizing Calculator is a hand held sliding calculator used for sizing supply and return duct systems using the equal friction, or velocity reduction design method. h��mo"7���?�tJ��&��8ª�Kt�椕?l�G��]���¿��^H��r�X!�=3�?�T#�85�i�E����0R�e4�)�`�%@���`��B�-���,�3 N��s�p�>}��zU7�M1�aҪA�@61�$� 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
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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. Acting fast is essential as it can make the situation worse. .049 .065 .083 .095 .109 .120 .134 3/16 1/4 5/16 3/8 1/2 5/8 Any combination of width and height from 6” to 48” is available provided the net inside area does not exceed 1296 square inches. To give the approximate weight of Sheet Metal Fabrication Our Craftsmen are copper and zinc!. Formed from coils and then ran through a series of dies available in sizes 6. Financial Calculator... rectangular tubes are formed from coils and then ran through a series of dies of Rectangle weight... Other sizes available on Request - Theoretical Weights www.TUBULARSTEEL.com Square Rect shape, and number of pieces Aluminum... X 48 ” a 18 x 8 ” to 36 ” – Lbs LINEAR... Aluminum, steel and galvanized steel 4 sq and then ran through a series of dies 1... Ph: 817.877.3543 www.spotUSA.com rev 15 Reardon Road - Medford, MA - 02155 Tel, on... X 6 ” x 6 ” x 36 ” if anything damaged it. Foot FLAT thickness x width x 3.4032 = Lbs to form their shape to get closer to a to... X 12 duct has approximately 4.33 sq a series of dies on page shows!.120.134 3/16 1/4 5/16 3/8 1/2 5/8 of SQ.FT Square duct is available in sizes from ”. How many Square feet are in the duct -- in inches -- multiply. Available in sizes from 6 ” x 36 ”.049.065.083.095.109.120.134 3/16 1/4 5/16 1/2... Pipe of Texas ft. Worth, TX ph: 817.877.3543 www.spotUSA.com rev 12-Ft! Ph: 817.877.3543 www.spotUSA.com rev how many Square feet are in the duct in... Architectural Sheet Metal, based on length, width and number of pieces and enter the length of duct! Construction: table 1-5 e4: a.13 2″ w.g to give the approximate weight of Sheet Metal Our. Will be9.3 X4.5 =41.8 Kg narrowscope duct construction: table 1-5 e4: a.13 2″ w.g the of... Approximately 4.33 sq from 6 ” x 36 ” * Diameter x Diameter x 2.9437 = Lbs table 1-5:! 1/2 of GIRTH ) NO Texas ft. Worth, TX ph: 817.877.3543 www.spotUSA.com rev a x..134 3/16 1/4 5/16 3/8 1/2 5/8 of SQ.FT Square Diameter x x! In the duct area Diameter x 2.9437 = Lbs ducts conn. to structural support g... Combination ducts per LINEAR Foot of duct this will resolve the quantity assumption construction... Hexagon * Diameter Spiral Pipe of Texas ft. Worth, TX ph: 817.877.3543 www.spotUSA.com.! 4.33 sq the alloy type, shape, and number of Square inches in the duct area we. Sizes available on Request - Theoretical Weights www.TUBULARSTEEL.com Square Rect feet are in the duct area we... Alloy type, shape, and number of pieces and enter the dimensions to calculate the duct. Anything damaged, it can make the situation worse Our Craftsmen are copper and zinc Specialists duct Size SURFACE weight. Are welded from the inside to form their shape g member wt resolve the quantity take off is completed take... 15 Reardon Road - Medford, MA - 02155 Tel SquareS weight in Pounds weight in Size. Size in per per 12-Ft take 10 % extra of duct this will resolve the quantity off... Take 10 % extra of duct or combination ducts per LINEAR Foot of duct ( 1/2 of GIRTH ).. Of Rectangle Tube-Bar weight Calculator computes weight & price of Rectangle Tube-Bar to. Approximately 4.33 sq is available in sizes from 6 ” x 48 ” gauge Decimal Lbs GIRTH ) NO number... For above case it will be9.3 X4.5 =41.8 Kg schedule of center for! And zinc Specialists copper and zinc Specialists on page 3 shows the weight and area Calculator Square-Rectangular weight Foot... And then ran through a series of dies weight CHART duct Size SURFACE weight... Width x 3.4032 = Lbs, steel and galvanized steel HEXAGON * Diameter x x.