Multi-Blade Leak-Tight Dosing Damper (EN1751-4C)

The multi-blade leak-tight dosing damper (EN1751-4C) is used to control air flow rate and/or to isolate sections of the ductwork. Its leak-tightness complies with EN1751 class 4C.

TECHNICAL SPECIFICATIONS
Dimensions: from 400 x 150 to 2,000 x 1,950 mm
Max. temperature: 90°C
Maximum permissible external leakage: class C to DIN EN 1751
Maximum permissible internal leakage: class 4 acc. to DIN EN 1751

TECHNICAL DATA
Stainless steel or galvanised steel frame, 1.5 mm, of bolted construction.
Actuator: manual, electric or pneumatic.