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  • BACK TO BASICS: DUCT DESIGNExplore further

    2013-5-15u2002·u2002• Fire rated duct must be constructed to the same standard as the tested solution for that particular product. Detail must be obtained from the relevant supplier at the start of the project and may be different depending on the proposed fire rating method. • Any duct system over 3000 L/s must be tested at minimum 10% of

    Get Price
  • Duct Fabrication Specifications Duct Construction

    2019-2-22u2002·u20025. Designer selection of duct construction pressure class is acknowledgment of acceptable design velocity level and pressure level including any overpressure or underpressure conditions that may occur during normal and special modes of operation. 6. The designation of a pressure class pertains to straight duct and duct fittings except for equipment

    Get Price
  • Auto Duct Line Machine, HVAC Duct Fabrication

    Comifo is a leading company specializing in air duct machine manufacturing, contracting and selling HVAC air conditioning equipment for more than 20 years. With our own technology which granted patents for most of the machines, our accurate & efficient duct fabrication machines has exported to more than 120 countries and won good reputation.

    Get Price
  • HVAC - How to Size and Design Ducts

    2020-10-15u2002·u2002psi or less, often much less. 1 psi equals 27.7 inches of water gauge; a common duct pressure of 0.25 inches water column is equal to (0.25 divided by 27.7 in-wc/psi) = 0.009 psi. Duct Pressure: Duct system is pressurized by three pressures: • Static pressure: It is the air pressure in the duct, which is used for fan selection. • Velocity ...

    Get Price
  • www.snappyco

    2020-1-9u2002·u2002Note: The above calculation is used when installing 6' around pipe (standard) off the main trunk line. Example: A section of duct will serve 5 supply air outlets. Six inch pipe will be used for branch runs. The width of the duct should be: 5 (supply air outlets x 2 = 10 10 + 2 = 12 This section would require a 12' x 8' piece of duct.

    Get Price
  • Drawing Flexible Duct Segments

    2021-6-24u2002·u2002Open a view containing the duct system where you want to add flexible ducts. Click Systems tabHVAC panel Flex Duct. Note: You can also use the Draw Flex Duct option from the context menu when right-clicking a duct end connector. See Connecting Flexible Ducts to an Existing Duct System. Some components have multiple connectors that display stacked one above another.

    Get Price
  • HVAC Ducting Principles and Fundamentals

    2012-6-24u2002·u20023. High Velocity Duct Systems: High-velocity (HV) duct systems are characterized by air velocities in the range of 2500 to 3500 fpm. Low-velocity ductwork design is very important for energy efficiency in air distribution systems. Low-velocity design will lead to larger duct sizes, but it may be worth since, doubling of duct diameter

    Get Price
  • Why I Think Fabrication Parts in Revit is a BAD Idea.

    2016-8-25u2002·u2002Fabrication Parts revolve around ITM's which uses Design Line for routing. A Revit user is used to families and Revit's 'routing preferences'. Graphical representation and annotation of ...

    Get Price
  • SHEET METAL CATALOG - Excelsior

    2016-6-25u2002·u20027 Snap-Lock Technology Galvanized Pipe, Round and Oval 14' Pipe 16' Pipe 18' Pipe 20' Pipe 24' Pipe 12' Pipe 10' Pipe 9' Pipe Length Gauge Item# 2' 24 140209

    Get Price
  • BACK TO BASICS: DUCT DESIGN

    2013-5-15u2002·u2002• Fire rated duct must be constructed to the same standard as the tested solution for that particular product. Detail must be obtained from the relevant supplier at the start of the project and may be different depending on the proposed fire rating method. • Any duct system over 3000 L/s must be tested at minimum 10% of

    Get Price
  • Duct Fabrication Specifications Duct Construction

    2019-2-22u2002·u20025. Designer selection of duct construction pressure class is acknowledgment of acceptable design velocity level and pressure level including any overpressure or underpressure conditions that may occur during normal and special modes of operation. 6. The designation of a pressure class pertains to straight duct and duct fittings except for equipment

    Get Price
  • Auto Duct Line Machine, HVAC Duct Fabrication

    Comifo is a leading company specializing in air duct machine manufacturing, contracting and selling HVAC air conditioning equipment for more than 20 years. With our own technology which granted patents for most of the machines, our accurate & efficient duct fabrication machines has exported to more than 120 countries and won good reputation.

    Get Price
  • HVAC - How to Size and Design Ducts

    2020-10-15u2002·u2002psi or less, often much less. 1 psi equals 27.7 inches of water gauge; a common duct pressure of 0.25 inches water column is equal to (0.25 divided by 27.7 in-wc/psi) = 0.009 psi. Duct Pressure: Duct system is pressurized by three pressures: • Static pressure: It is the air pressure in the duct, which is used for fan selection. • Velocity ...

    Get Price
  • www.snappyco

    2020-1-9u2002·u2002Note: The above calculation is used when installing 6' around pipe (standard) off the main trunk line. Example: A section of duct will serve 5 supply air outlets. Six inch pipe will be used for branch runs. The width of the duct should be: 5 (supply air outlets x 2 = 10 10 + 2 = 12 This section would require a 12' x 8' piece of duct.

    Get Price
  • Drawing Flexible Duct Segments

    2021-6-24u2002·u2002Open a view containing the duct system where you want to add flexible ducts. Click Systems tabHVAC panel Flex Duct. Note: You can also use the Draw Flex Duct option from the context menu when right-clicking a duct end connector. See Connecting Flexible Ducts to an Existing Duct System. Some components have multiple connectors that display stacked one above another.

    Get Price
  • HVAC Ducting Principles and Fundamentals

    2012-6-24u2002·u20023. High Velocity Duct Systems: High-velocity (HV) duct systems are characterized by air velocities in the range of 2500 to 3500 fpm. Low-velocity ductwork design is very important for energy efficiency in air distribution systems. Low-velocity design will lead to larger duct sizes, but it may be worth since, doubling of duct diameter

    Get Price
  • Why I Think Fabrication Parts in Revit is a BAD Idea.

    2016-8-25u2002·u2002Fabrication Parts revolve around ITM's which uses Design Line for routing. A Revit user is used to families and Revit's 'routing preferences'. Graphical representation and annotation of ...

    Get Price
  • SHEET METAL CATALOG - Excelsior

    2016-6-25u2002·u20027 Snap-Lock Technology Galvanized Pipe, Round and Oval 14' Pipe 16' Pipe 18' Pipe 20' Pipe 24' Pipe 12' Pipe 10' Pipe 9' Pipe Length Gauge Item# 2' 24 140209

    Get Price
  • Jacob UK – No.1 in Pipework & Steel Ducting Systems

    Jacob UK Ltd is Europe's no. 1 steel ducting and pipework systems supplier. Modular pipework from Jacob is a quick and cost-effective solution.

    Get Price
  • BACK TO BASICS: DUCT DESIGN

    2013-5-15u2002·u2002• Fire rated duct must be constructed to the same standard as the tested solution for that particular product. Detail must be obtained from the relevant supplier at the start of the project and may be different depending on the proposed fire rating method. • Any duct system over 3000 L/s must be tested at minimum 10% of

    Get Price
  • Duct Fabrication Specifications Duct Construction

    2019-2-22u2002·u20025. Designer selection of duct construction pressure class is acknowledgment of acceptable design velocity level and pressure level including any overpressure or underpressure conditions that may occur during normal and special modes of operation. 6. The designation of a pressure class pertains to straight duct and duct fittings except for equipment

    Get Price
  • Auto Duct Line Machine, HVAC Duct Fabrication Equipment ...

    Comifo is a leading company specializing in air duct machine manufacturing, contracting and selling HVAC air conditioning equipment for more than 20 years. With our own technology which granted patents for most of the machines, our accurate & efficient duct fabrication machines has exported to more than 120 countries and won good reputation.

    Get Price
  • HVAC - How to Size and Design Ducts

    2020-10-15u2002·u2002psi or less, often much less. 1 psi equals 27.7 inches of water gauge; a common duct pressure of 0.25 inches water column is equal to (0.25 divided by 27.7 in-wc/psi) = 0.009 psi. Duct Pressure: Duct system is pressurized by three pressures: • Static pressure: It is the air pressure in the duct, which is used for fan selection. • Velocity ...

    Get Price
  • www.snappyco

    2020-1-9u2002·u2002Note: The above calculation is used when installing 6' around pipe (standard) off the main trunk line. Example: A section of duct will serve 5 supply air outlets. Six inch pipe will be used for branch runs. The width of the duct should be: 5 (supply air outlets x 2 = 10 10 + 2 = 12 This section would require a 12' x 8' piece of duct.

    Get Price
  • Drawing Flexible Duct Segments

    2021-6-24u2002·u2002Open a view containing the duct system where you want to add flexible ducts. Click Systems tabHVAC panel Flex Duct. Note: You can also use the Draw Flex Duct option from the context menu when right-clicking a duct end connector. See Connecting Flexible Ducts to an Existing Duct System. Some components have multiple connectors that display stacked one …

    Get Price
  • HVAC Ducting Principles and Fundamentals

    2012-6-24u2002·u20023. High Velocity Duct Systems: High-velocity (HV) duct systems are characterized by air velocities in the range of 2500 to 3500 fpm. Low-velocity ductwork design is very important for energy efficiency in air distribution systems. Low-velocity design will lead to larger duct sizes, but it may be worth since, doubling of duct diameter

    Get Price
  • Why I Think Fabrication Parts in Revit is a BAD Idea.

    2016-8-25u2002·u2002Fabrication Parts revolve around ITM's which uses Design Line for routing. A Revit user is used to families and Revit's 'routing preferences'. Graphical representation and annotation of ...

    Get Price
  • SHEET METAL CATALOG - Excelsior

    2016-6-25u2002·u20027 Snap-Lock Technology Galvanized Pipe, Round and Oval 14' Pipe 16' Pipe 18' Pipe 20' Pipe 24' Pipe 12' Pipe 10' Pipe 9' Pipe Length Gauge Item# 2' 24 140209

    Get Price
  • Jacob UK – No.1 in Pipework & Steel Ducting Systems

    Jacob UK Ltd is Europe's no. 1 steel ducting and pipework systems supplier. Modular pipework from Jacob is a quick and cost-effective solution.

    Get Price
  • Professional Practice Guidelines Shop Drawings

    2015-1-29u2002·u2002APEGBC l V2.0 January, 2015 Shop Drawings 5 • Fabrication or detail drawings: Because fabrication or detail drawings normally do not contain design information, the registered professional of record should not require that they be sealed.In the event, however, that fabrication or detail drawings do contain design information, they must be sealed by the fabricators', …

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  • Introduction to Piping Engineering - wermac.org

    2019-11-11u2002·u20025. Pipe must always be viewed as a system from equipment to equipment, including branch lines, and pipe supports. 6. As with all engineering design, understand the purpose and operation of the system before performing the detailed design. 7. Pipe is an industrial plant must be maintained. It is commonly thought that properly

    Get Price
  • EC Design to Fabrication Release Notes V8.0 2018

    2017-10-9u2002·u2002allows users to move from design to fabrication with one set of products. • MEP Design to Fabrication is the tool for converting MEP engineering designs (duct and pipe systems from Revit, or generic AutoCAD MEP duct systems) to Fabrication-ready drawings using automated routines, saving significant fabrication detailing resources and time.

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  • SPECIALITY PIPE AND TUBE

    2019-4-3u2002·u2002making plants, boasting the world's most complete product line of pipe and tubular products made at a single facility. Chita Works is constantly aware of their mission to contribute to society by developing and applying the world's most advanced technologies. With this in mind, they will continue to meet the diverse needs of their customers ...

    Get Price
  • ANSI/SMACNA 006-2006 HVAC Duct Construction Standards

    2016-4-7u2002·u2002Information Required for Duct Construction 1. A comprehensive duct layout indicating sizes, design airflows, pressure class, and routing of the duct system. 2. The types of fittings to be used based on the designer's calculations of fitting losses (i.e., square versus 45 ° entry taps, conical versus straight taps, etc.).

    Get Price
  • Galvanized Sheet Metal Duct - The Duct Shop

    Galvanized Sheet Metal Ducts from The Duct Shop's HVAC ductwork is manufactured from high quality galvanized steel in 3 foot lengths for easy handling. One end of each piece is crimped for easy fitting of consecutive joints or to sheet metal fittings and flexible duct. The seam on our galvanized sheet metal duct is formed on a snap-lock machine ...

    Get Price
  • Pipe Insulation (Hot & Cold) Material Selection & Application

    2014-8-25u2002·u2002Pipe Insulation (Hot & Cold) Material Selection & Application Revision 2.0, August 2014 Introduction There are many insulating products on the market today which cover all temperature ranges and all conceivable installation situations. Although there are too many products to mention, it is important that the apprentice has a

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  • AutoCAD Shop Drawing for Chilled Water HVAC Project

    2019-10-7u2002·u2002Download shop drawing HVAC project for a pharmaceutical factory. All air conditioning, ventilation works including ductwork, air outlets, duct accessories, chilled water pipes and chiller plant room. Download also: Villa HVAC shop drawings This HVAC project includes AutoCAD shop drawings dwg files for an air conditioning system for medical ...

    Get Price
  • Method Statement for Installation of Ductwork with Accessories

    2018-5-9u2002·u2002Ductwork is an MEP work, if you are a quality engineer working in MEP contracting, this method statement is for you. Ductwork is a huge part of the work in a construction of a high-rise building project even in a low-medium rise. So, here is a 'Method Statement for Installation of Ductworks with Accessories.' 1. Scope of Work The purpose of this method statement is to …

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  • Solved: Rise/drop symbols customization - Autodesk Community

    2019-4-2u2002·u2002Solved: Is it possible to customize pipe rise/drop symbols? OK, that's clear. I have plan to try, and any feedback about possibilities is appreciated, to use generic annotation family to try to create rise drop graphic symbols, than use symbol command to punch them on the position in …

    Get Price
  • HVAC - How to Size and Design Ducts

    2020-10-15u2002·u2002psi or less, often much less. 1 psi equals 27.7 inches of water gauge; a common duct pressure of 0.25 inches water column is equal to (0.25 divided by 27.7 in-wc/psi) = 0.009 psi. Duct Pressure: Duct system is pressurized by three pressures: • Static pressure: It is the air pressure in the duct, which is used for fan selection. • Velocity ...

    Get Price
  • ANSI/SMACNA 006-2006 HVAC Duct Construction

    2016-4-7u2002·u2002Information Required for Duct Construction 1. A comprehensive duct layout indicating sizes, design airflows, pressure class, and routing of the duct system. 2. The types of fittings to be used based on the designer's calculations of fitting losses (i.e., square versus 45 ° …

    Get Price
  • Sheet Metal Duct Transition, Manufacturing Ductwork

    Also referred to as Tee, T duct transition is appropriate for branching a main duct run or a branch ductwork line with a 90-degree angle. There is also T saddle duct transition which is essential in splicing into an existing line of round pipe of equivalent or larger …

    Get Price
  • Home - M&M Manufacturing

    HVAC and Sheet Metal Manufacturer. M&M Manufacturing ™ ('M&M') is one of the country's largest producers of sheet metal products, primarily servicing the air distribution and ventilation market. M&M provides a comprehensive range of round, rectangular, oval and spiral ductwork, fittings and accessories for residential and commercial construction.

    Get Price
  • HDPE FABRICATED STRUCTURES & MANHOLE GUIDE

    2020-3-25u2002·u2002The durable black pipe often used for the riser blends in visually, and can be adapted to accept inlet grates. MANHOLE TEES A relatively newer approach uses a tee or reducing tee configuration of an HDPE pipe system to create a riser to ground service. The riser can be small for service equipment, or larger to allow manway access and entry.

    Get Price
  • Introduction to Piping Engineering - wermac.org

    2019-11-11u2002·u20025. Pipe must always be viewed as a system from equipment to equipment, including branch lines, and pipe supports. 6. As with all engineering design, understand the purpose and operation of the system before performing the detailed design. 7. Pipe is an industrial plant must be maintained. It is commonly thought that properly

    Get Price
  • Blog Category: ASME/MISCELLANEOUS FABRICATION

    2020-3-30u2002·u2002Sweco Fab., a division of PT&P custom designed multiple duct work transition pieces for polyethylene dust at a chemical plant in Louisiana. The units are fabricated from carbon steel and include a 3- coat paint system on the outside, with a light grey finish. The dimensions are 15' length, 13-1/2' SQ flange end, and 10' NPS at the other end.

    Get Price
  • Stainless Steel Pipe, Fittings & Flanges - Atlas Steels

    2021-6-17u2002·u2002Atlas Steels – Product Reference Manual Section 3 – Stainless Steel Pipe, Fittings & Flanges October 2016 Page 6 – Section 3 www.atlassteels.com.au Stainless Steel Pipe – Welded & Seamless – ASTM A312M ASTM A790M Grades: 304/304L, 316/316L, 2205

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  • AutoCAD Shop Drawing for Chilled Water HVAC Project

    2019-10-7u2002·u2002Download shop drawing HVAC project for a pharmaceutical factory. All air conditioning, ventilation works including ductwork, air outlets, duct accessories, chilled water pipes and chiller plant room. Download also: Villa HVAC shop drawings This HVAC project includes AutoCAD shop drawings dwg files for an air conditioning system for medical ...

    Get Price
  • How To Make A Carbon Fiber Mitsubishi Evo Turbo Inlet

    2016-8-6u2002·u2002To do this you need a turbo duct, and what better material to use than carbon fiber! Lucky for us, our friends at Ozzy Motors needed one for their 1,000+ HP EVO! This walk through will show you how anyone can make a carbon fiber turbo duct from a $15 ABS pipe mold, in one layup, in just 2 days.

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  • Round Spiral Duct for HVAC Duct Systems

    2021-9-28u2002·u2002At Spiral Pipe of Texas, we make products that meet or exceed the SMACNA HVAC Duct Construction Standards – Metal and Flexible (2005). We make diameters ranging from 3' to 92' and metal thicknesses from 26 gauge to 16 gauge. The following is our construction standard for positive pressures to +10' WG.

    Get Price
  • HVAC - How to Size and Design Ducts

    2020-10-15u2002·u2002psi or less, often much less. 1 psi equals 27.7 inches of water gauge; a common duct pressure of 0.25 inches water column is equal to (0.25 divided by 27.7 in-wc/psi) = 0.009 psi. Duct Pressure: Duct system is pressurized by three pressures: • Static pressure: It is the air pressure in the duct, which is used for fan selection. • Velocity ...

    Get Price
  • What is a Duct Bank? Construction Type & Installation Methods

    Installation of duct banks is a multi-step process that involves construction labor that is knowledgeable and skilled in each step of the installation process: Trench and bedding preparation must ensure safe working conditions and provide stability and structural support for the duct bank. High-quality with heat dissipating properties.

    Get Price
  • Sheet Metal Duct Transition, Manufacturing Ductwork Supplier

    Also referred to as Tee, T duct transition is appropriate for branching a main duct run or a branch ductwork line with a 90-degree angle. There is also T saddle duct transition which is essential in splicing into an existing line of round pipe of equivalent or larger diameter. It is ideal for 90-degree angle branch. Y duct transition

    Get Price
  • Metal Ducts, Pipes and Fittings - Ventilation

    Product availability. Metal ducts come in different shapes and designs to meet various needs. They include wye, rectangular flat elbow, 90-degree angle long elbow, butterfly damper, half stack duct, end cap, and chimney cap with a steel wire spark arrestor. These durable ventilation pipes are made from galvanized steel and/or aluminum, and are ...

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  • Basic Cyclone Design - ASME Met Section

    2015-3-7u2002·u2002How Cyclones Fail: Design Fabrication Errors • No dust receiver • Short outlet pipes • Dished heads • Poor or non existent airlocks • Instruments or access ports installed into cyclonic flow streams • Related equipment not designed for cyclonic flow • …

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  • TDF Flange Forming & Making Machine, Flanging Machine ...

    The single flange making machine is a part of rectangular ventilation air duct manufacturing machines, operators can use the machine with other rectangular HVAC tube forming machines together to finish a whole duct production, such as lock former machine, pneumatic TDF sheet metal folding machine, sheet metal grooving machine, motor cutting ...

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  • Fabrication - SteelConstruction.info

    2021-7-21u2002·u2002Fabrication is the process used to manufacture steelwork components that will, when assembled and joined, form a complete frame. The frame generally uses readily available standard sections that are purchased from the steelmaker or steel stockholder, together with such items as protective coatings and bolts from other specialist suppliers.. Although a wide range of section …

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  • How steel pipe is made - material, manufacture, making ...

    The pipe was finished by passing it through a groove and rolling mill. Russell's method was not used long because in the next year, Comelius Whitehouse developed a better method for making metal tubes. This process, called the butt-weld process is the …

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  • equipment. - University of the District of Columbia

    2018-6-19u2002·u20026. Add Section 13 28 10 ‐ Hazardous Waste Management 7. Add Section 13 28 20 ‐ Removal and Disposal of ACM's 8. Replace Section 23 82 16.14 ‐ Coils. 9. Remove 23 82 16.14 from Division 26 and move to Division 23 10. Add Section 23 …

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