round duct hanger detail

They would be galvanised or painted after fabrication.Trusses: steel or wood must not be drilled for any reason; always use clamps for the hanger rods.Double-skin insulated round ducting requires engineered hangers. The mass of the duct per metre, including flanges and insulation, should be considered when selecting hangers.The wire hangers are based on the Gripple hang-fast system.Hanger number 1 is a simple sheet metal/steel band that could be made up on site from sheet metal straps for smaller duct sizes. This hanger would be fabricated in the workshop to fit the duct diameter, with bracing to suit. download order form; ductwork order form. Figure 6 can be costly and impractical if used on smaller round duct diameters. Another great way to suspend spiral ductwork using the Standard Hanger with a loop end fixing. Aluminum Round Duct & Fittings. Rectangular Duct Aluminum. This type of hanger uses flat steel 6mm or thicker and is rolled to suit the duct diameter.


It has a rubber element that prevents transmissions of vibrations. They are available in 3/8″ and 1/2″ sizes.Hardware supplied upon request.Malleable iron casting with a hardened cup point set screw and locknut. HVAC Duct support detail CAD drawing - CADblocksfree. Welded Duct & Fittings. (Information and drawings courtesy of Spoormaker & Partners.) Flat Oval Duct & Fittings. The fixing clamps must be close to the truss ‘node’ points (a node point is where the members of the truss join together).RV suspension profile with shock-absorbing rubber for suspension of ventilation ducts with the use of threaded rods and self-drilling screws or blind rivets. round duct & fittings - umc standards. These supports are fabricated from angle iron or a Unistrut type product. This allows fixing against trapeze-type ceilings.

jiffy damper. Round Spiral Duct & Fittings. The hanger rods would be sized to Table 1. As local codes differ, it is the responsibility of the user to determine that hangers listed will satisfy local regulations. Set screw must be tightened onto the sloped side of the I-Beam, channel or angle iron flange and torque to 60 inch pounds. For larger duct diameters, flat steel bands need to be rolled to the right size. It is also ideal for external insulated ducting.The number 3 hanger is usually reserved for large ducts in an industrial installation. This type of support is not recommended for external insulated ducting.For ducting that is to be installed on a roof or on the ground, a typical support would look something like rugby posts. May be mounted in either position.Reproduced from International Uniform Mechanical Code. Always submit clips specifications and the weight of ducting to a structural engineer for approval, before starting installation work.For round ducts larger than 1 600mm diameter, the support system must be engineered for the duct mass.If the ductwork is supported from roof trusses, the spacing of the trusses determines where the hangers will be fixed. A foot pad must be provided for each leg to prevent the support from cutting into the waterproofing membrane. Sammy screws are designed to quickly fasten threaded rod to wood beams and trusses. Various methods can be considered to support round ducting. Not recommended for externally insulated ducting.These goalpost-type duct supports used for ducting on a flat roof are fabricated from angle iron for small ducts and from channel iron for very large ducts. Trapeze hangers with cradles can be used.Hanger type number 2 is a concealed support fitted on the inside of a round duct. Double-Wall Insulated Round Duct. Rectangular Duct Double Wall Insulated. Welder Round Duct Detail Sheet. Maximum Diameter of Round Ducts: Straps Description : 10″ Same gauge as galvanized steel duct, 1’’ wide or (No. UL Listed. spiral pipe.
credit card authorization form. Hanger Strap & Rods. This type of hanger is favoured for exposed ducting in malls and supermarkets. Thickness: 2mm. 3.

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