The 6 ds is a frame constructed of strut and miro s patented bases to support single or multiple tiers of duct pipe cable trays and more.
Roof mounted duct support spacing.
Hold down anchor spacings are given for round duct to be encased in concrete.
The 6 ds is available in an open configuration or can be made to enclose the duct on the bottom and the top.
Php duct supports are designed and engineered to adhere to your unique specifications and solve every rooftop issue you have.
Php is the leading designer manufacturer and supplier of innovative and sustainable roof pipe and equipment support systems in the nation.
These oshpd approved anchors and brackets support threaded rod mount hangers during seismic activity.
Maximum support spacing for round flexible duct and connector was changed from 10 to 5 1 5 meters.
Support systems for ductwork may provide restraint in three directions against displacement and rotation.
Arms are long and at a wide angle to support pipe from 4 to 36 in diameter.
Duct rests on a 1 5 8 x 13 16 length of channel strut which is adjustable up and down using the channel nuts in the corner brackets.
I have calculated the pipe stresses for the given spans in the mss publication and found that the stresses are usually less than the allowables found in either b31 3 or b31 8.
Featuring a similar design to the time tested model 1 5 the model 3 0 is just as simple to install and is guaranteed to withstand harsh rooftop conditions for years to come.
Roof mounted duct supports and hanger supports our rooftop duct supports and other roof support systems offer a wide range of options for supporting hvac ductwork supports on top of rubber membrane steel and concrete roofs.
Consideration must be given with restraining ducts to avoid development of excessive internal duct stresses caused by expansion or contraction due to temperature variations.
With the suggested pipe support spacing spread sheet calculation for wt.
Xii model project specification.
Schedule a roof evaluation.
Tables for pipe support spacing 1969grad mechanical 29 apr 03 06 03.