Pressure-relief damper – BRD for offshore and marine ventilation systems
The BRD Pressure-relief damper is used in offshore and marine applications to regulate the pressure in the ductwork system and don’t need an actuator or motor.
The BRD dampers can be installed in rectangular or circular ducts horizontally or vertically. The damper is in closed position when the pressure in the duct is lower than the adjusted opening pressure. Opening pressure can easily be set by adjusting weight of each damper/installation.
Weights are included in the delivery.
Pressure relief dampers can be supplied with non-standard dimensions on request.
Fixed frame in painted, galvanized or stainless steel. Blades of galvanized or stainless steel.
Models for horizontal or vertical installation
Blades contain silicone seal to lower the leakage through blades
Available as ATEX certified
Leakage class (EN1751:2014) of closed damper up to class 2
Blades linked and open in parallel
Opening pressure adjusted by changing the position of counterweight(s)
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