Double-Wall Insulated Flat Oval Duct. A foot pad must be provided for each leg to prevent the support from cutting into the waterproofing membrane. Show More. As local codes differ, it is the responsibility of the user to determine that hangers listed will satisfy local regulations. It is also ideal for external insulated ducting.The number 3 hanger is usually reserved for large ducts in an industrial installation. Double-Wall Insulated Round Duct. Damper Sleeves .
Welder Round Duct Detail Sheet. People also love these ideas. This type of hanger uses flat steel 6mm or thicker and is rolled to suit the duct diameter.
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. The hanger rods would be sized to Table 1. Maximum Diameter of Round Ducts: Straps Description : 10″ Same gauge as galvanized steel duct, 1’’ wide or (No.
round damper with standoff. To find your local sales rep, click here.
The recommended detail for drawings is illustrated. HVAC Duct support detail CAD drawing - CADblocksfree.
Spiral Manufacturing Co., Inc. assumes no responsibility other than the sizes and material listed in the Spiral Standard Hangers table above. 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. For larger duct diameters, flat steel bands need to be rolled to the right size. Download this free AutoCAD drawing of a HVAC duct support detail for use in your mechanical design CAD drawings. Hanger Strap & Rods. 3. May be mounted in either position.Reproduced from International Uniform Mechanical Code. Figure 6: Concealed hanger support for round duct. spiral pipe.
Recommended detail for drawings. 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. Rectangular Duct Aluminum. Sammy screws are designed to quickly fasten threaded rod to wood beams and trusses. Another great way to suspend spiral ductwork using the Standard Hanger with a loop end fixing. Rectangular Duct.
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.
Trapeze hangers with cradles can be used.Hanger type number 2 is a concealed support fitted on the inside of a round duct. Burglar Bars.