Ahlsell Products Ventilation Damper Galvanized Circular DampersBalancing Damper

Balancing Damper

Make sure you have good ventilation products! Ahlsell's ventilation range spans duct systems, devices, valves, indoor grills, hoses with accessories, roof hoods, exterior wall grills, ventilation accessories, filters, mounting materials, fans, aggregates, cooker hoods, controls, regulations, fire gas dampers, and flat strip plates.

FläktGroup

Adjustment Damper BDEP-1, FläktGroup

Art. no.: 6642404

The adjustment damper BDEP-1 is intended for use in systems with circular ducts. The dampers consist of a cylindrical housing and damper blade. They are set manually and are equipped with a graduated scale for setting the damper angle. For damper sizes up to 031, the damper angle is set with a knob , on larger sizes with a control handle. The damper angle is locked with a screw. The seal is made of solid EPDM rubber has very good resistance to moisture, air pollution and solar radiation and can withstand temperatures between -30 ° C to 80 ° C with retained function. Sizes 040 - 063 are adapted to 50 mm external insulation Density class 0 according to SS-EN1751: 1998 and VVS AMA 98 respectively.

The length refers to the length of the damper, excluding connections.

ETS

Adjustment Damper KROS, manual, ETS

Art. no.: 66642402

Damper for regulating the air flow in round duct systems. Stepless adjustable setting. Density class D according to EN 1751. Made of galvanized sheet steel. Equipped with EPDM rubber gaskets on the connections. The length includes connections.

Balancing Damper HIS, Hallström

Art. no.: 9942401

The balancing damper HIS is intended for use in systems with circular ducts. VENT damper HISC for ventilation systems.
Dimensions and tolerances according to standard SS-EN 1506. The dampers are made of hot-dip galvanized steel sheet DX51 + Z275MAC according to SS-EN 10346.
Surface coating with Z275 meets corrosion class C3 according to SS-EN ISO 12944-2. The dampers meet tightness class 3 over the closed blade and tightness class C on the housing according to SS-EN 1751:2014.
The damper is equipped with a square axle dimension 8mm (100-315) and dimension 15mm from 400 and up.
The system's components have sealing rings made of EPDM rubber.
Type approval 1666/78

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