Description

GRAVITY DAMPERS IN ALUMINIUM SGR SERIES

The shutter with excess pressure on the wall, are used for both air suction and extraction from external environment. They guarantee the closing for gravitational force the stop of the fan. The opening and the closing of the flaps turn on due to the pressure difference between external environment and the internal one. The flaps are connected to each other by metal level that is arranged posteriorly, outside the shutter. The flaps moving simultaneously for restore the correct pressure preventing the air return. They can only be installed in a vertical position. The working temperature is -30 +90°C. For installation on very high buildings, with possibility of blasts of wind is recommended a fixed shutter. It’s not recommended to put in place in proximity of fans with high flow rate and pressure.

CHARACTERISTICS

Material: Frame in aluminium extrusion, flaps in natural anodized aluminium metal sheet and cold galvanized steel connection.

MODELS AND ACCESSORIES

SGAV/E SERIES : outlet gravity dampers

SGAV/A SERIES : inlet gravity dampers

Accessories : subframe and anti bird protection grid