In this paper, we investigate the pressure and airflow tolerances of flex ducting as it pertains to air duct cleaning. Flex ducting is a type of ductwork that consists of a flexible inner core covered ...

During a pandemic of an airborne infectious disease, the number of patients needing hospital-based healthcare services may exceed available negative-pressure isolation room capacity. To evaluate one ...

Negative pressure systems help keep dangerous pathogens contained in laboratories and hospital rooms. Given the potentially dire results should microbes escape one of these containment facilities, ...

Spiral Duct Manufacturers Association (SPIDA) members often fabricate an inventory of standard lengths of round spiral ducts. These are fabricated not only for their own use, but may also be inventory ...