Application area
SOR1 and SOC1 are manually operated shut-off dampers designed to shut off the air flow in ventilation systems. SOR1 is a rectangular type and SOC1 is a circular type damper.
The solid construction withstands high air flows and pressure variations. Air leakage through the blades in the closed position is kept to a minimum on the damper and leakage through the unit is negligible.
The damper has opposed blade types, manually operated via link arms with a handle, and positioned with a solid locking device. A degree scale indicates blade positions for volume control dampers and an open/closed indication on the damper. Limit switches for remote open/closed damper indications are a possible alternative.
Materials and dimensions
The Shut Off Damper casing is manufactured in stainless steel AISI 316L. The plate thickness is 3 mm. The damper blades have a plate thickness of 1.5 mm with cell rubber sealant. Both axles and bearings are made in stainless steel.
Test data
Test data is based on the NS-EN 1751 standard for both air leakage through closed leaves and leakage through the enclosure.
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