Universal groove roof fan for removal of the gases that occur
during a fire UKRV are installed on the roof of buildings and
structures and are designed to remove gases occurring during a fire
of high-gas mixtures and simultaneous transfer of heat outside the
premises of buildings and structures on SNIP *********3.
These fans carry output air flows upward from the plane of the
combustible roof to a safe area at the maximum temperature gas
environment of **0 ° C for not less than **0 minutes.
After working in a fire fan should be replaced regardless of its
condition and the possibility of continuing work.
When using the fan UKRV not required to apply an additional check
valve. The functions of the check valve operates self-closing lid
nozzles designed to protect the fan and ductwork from blowing cold
air and the ingress of precipitation.
Centrifugal fans type UKRV represent some of the 6 dimensions of
fan air capacity of ***0 m3 / h up to *****0 m3 / h and developed a
static pressure of *0 Pa to ***0 Pa.
