Rain Cap
for horizontal blow-off
purpose
weather hood - protection against ingress of precipitation (rainfall & snow)
applicable to
vent silencers
design details
hood typically manufactured from same grade material as the silencer shell (carbon steel or stainless steel); the inner surface of the weather hood is equipped with a noise absorbing layer to minimise noise emission
Rain Cap
for vertical blow-off
purpose
weather hood - protection against ingress of precipitation (rainfall & snow) and air-borne particulate matter (sand & dust)
applicable to
vent silencers
design details
hood with integrated dust trap, typically manufactured from same grade materials as the silencer shell (carbon steel or stainless steel)
The hood comes equipped with a separate dewatering pipe for rinsing the dust trap, and is easily removable for maintenance.
Cover
purpose
temporary protection against any ingress of precipitation (rainfall & snow) and air-borne particulate matter (sand & dust)
applicable to
mobile vent silencers - cold gas
design details
customised rain cover on a galvanized grating
Bird Screen
purpose
preventing birds and other animals from nesting inside the silencer
bird screens can also be used for operator protection and to prevent tools, etc. from dropping into the silencer
applicable to
vent silencers
design details
strong stainless steel grating covering the silencer outlets