Circular Leak-Tight Dosing Damper (EN1751-4C)

The leak-tight dosing damper (EN1751-4C) is used for the ventilation of sensitive areas with stringent external leak-tightness requirements. Its robust, maintenance-free design makes it an excellent component for your nuclear ventilation systems.

TECHNICAL SPECIFICATIONS
Diameter dimensions: from 200 to 800 mm
Max. temperature: 90°C
Max. permissible pressure differential: ±6,000 Pa
Maximum permissible external leakage: class 4 to DIN EN 1751

TECHNICAL DATA
Stainless steel damper.
Frame perforated on both sides for connection to the ductwork.