Smacna Duct Hanger Details

Smacna hangers and supports october 2019 183.

Smacna duct hanger details.

4201 lafayette center drive. For all other ducts of any application. A quick overview of the changes is provided in the front of this manual. Download view smacna hangers and supports as pdf for free.

Wg negative pressure to 30 in wg positive pressure. Once the information is selected the app can generate several answers and the user can select which options to consider. New duct inside dimensions. Detail title ductwork symbols december 2008 sd230511 10.

For all ducts between the supply fan and variable volume control boxes and 1 250 pa w g. Smacna and the national energy management institute nemi are presenting a webinar on the nemi hvac fire life safety certifications exclusively for smacna members only on jan. This third edition of the smacna commercial metal and flexible duct construction standards is another in a long line dating from the 1950s. Users can select spiral or welded duct the duct material various live loads such as snow and wind loading various dead loads such as insulation and cladding hanger spacing air temperature and particulate properties.

Round ductwork sizes are expanded to include up to 96 in. Information required for duct construction 1. Mss sp89 pipe hangers and supports december 2019 145. Located in headquarters outside washington d c the sheet metal and air conditioning contractors national association smacna an international association of union contractors has 1 834 members in 103 chapters throughout the united states canada australia and brazil.

Webinars hvac duct construction standards 103 round and oval duct hangers and casing construction. Smacna expresses appreciation to the many who have offered suggestions for constructive improvement in the fab. A comprehensive duct layout indicating sizes design airflows pressure class and routing of the duct system. Width x depth existing duct to remain louver louver specified in architectural fire damper fd vd duct with sound lining flexible ductwork insulated manual volume damper existing duct to be removed vibration or seismic scale.

26 at 11 00 a m. If the designer does not designate pressure class for duct construction on the contract drawings the basis of compliance with the smacna hvac duct construction standards is as follows. 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. The american national standard ansi smacna 011 2017 contains language tables and details for the construction of hand lay up spray up and filament wound frp ductwork from 30 in.