Pressure relief dampers can be used for over pressure situations or in the dynamic control of air pressure within a space or room.
Backdraft dampers are used to prevent recirculation of ventilation air.
Particularly useful as a low cost solution to prevent air recirculation through an idle standby fan of a duty and standby ventilation fan configuration.
MATERIALS AND STRUCTURE
The ENRD frame is manufactured from 1.6mm galvanized sheet metal and the blades are manufactured from 1.0mm sheet metal.
The 13mm shafts are hex bar.
The blades are fitted to the casing with brass bushes.
Blades are linked together with a common link for consistent and parallel blade movement.
OPTIONS
Casing depth can be extended if required.
STANDARD DIMENSIONS
Minimum size 100mm (w) x 150mm (h).
Maximum size in one section 1200mm (w) x 1950mm (h).
Sizes exceeding maximum will be supplied in sections.
Casing depth is 230mm as standard or to client specification.
Flange size is 30mm as standard or to client specification.
Leading Manufacturer of Airtight Doors, Fire, Smoke, Control and Non Return Dampers
Leading Manufacturer of Airtight Doors, Fire, Smoke, Control and Non Return Dampers
