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Ahlsell Products Ventilation Damper Galvanized Circular DampersShut-off damper

Shut-off 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.

Products (5)

Shut-off Damper HISC, Hallström

Shut-off Damper HISC, Hallström

Art. no.: 9942422

The HISC damper is intended for use in systems with circular ducts for shutting off the airflow. 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 dim 8mm (100-315) and dim 15mm from 400 and up.
The system's components have sealing rings made of EPDM rubber.
Type approval 1666/78

Shut-off Damper with Motor Shelf KRTS-4, ETS

Shut-off Damper with Motor Shelf KRTS-4, ETS

Art. no.: 66642581

Damper with motor shelf for regulating the air flow in round duct systems. KRTS-4 has density class C on housing and density class 4 on shut-off according to EVS-EN 1751: 2001. Made of galvanized sheet steel and equipped with rubber seals on connections. For manual adjustment of air flows, handles are available as accessories. For automatic adjustment, Belimo motors are available in various designs. Damper shaft 6x6mm.

Shut-off damper ABC-TS3, ABC Vent

Shut-off damper ABC-TS3, ABC Vent

Art. no.: 66542416

Throttle damper, prepared for 50mm insulation and with motor bracket and hand-switch 0 to 90 degrees. Approved for density class 3. Galvanised design

Shut-off damper PTS/A, Halton

Shut-off damper PTS/A, Halton

Art. no.: 6642811

Halton PTS/A is a shut-off damper in tightness class 4 according to the standard EN 1751. It has rubber gaskets that guarantee low leakage flow when the damper is closed. PTS/A is available with manual control knob or with electric actuator for on / off or modulating control using a 0-10 VDC control signal. THIS IS THE MANUAL VARIANT. Normally, electric actuators are installed at the factory, but can also be mounted on site using a mounting kit. The mounting kit is an optional accessory that includes a motor shelf and a shaft extension for universal attachment of the actuator. The actuator and its bracket can be easily mounted using standard hand tools. The height refers to the slider and is added to the diameter of the damper. The density class applies to both casing and shut-off. The air flow is stated between qmin (1 m/s duct speed) and qmax (6 m/s duct speed).

Shut-off Damper HISC-L with Motor Shelf, Hallström

Shut-off Damper HISC-L with Motor Shelf, Hallström

Art. no.: 9942581

The HISC-L damper with motor shelf for regulating airflow in round duct systems. 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.
Two ball-bearing damper shafts for smooth and friction-free operation (Ø100 and Ø125 one shaft).
Round damper shaft Ø12 mm.
The system's components have sealing rings made of EPDM rubber.
Type approval 1666/78

Shut-off Damper HISC-L with Motor Shelf, Hallström

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