Catalog

200-600-50 round silencer NRF (50mm insulation), ETS NORD

€84.65

The NRF 200-600-50 ETS NORD round duct silencer with rubber seal, 600 mm in length with 50 mm sound insulation, is an essential component for ventilation systems, ensuring effective noise attenuation. Suitable for 200 mm air ducts, these innovative silencers provide excellent airflow performance and are used to reduce noise from various sources in ventilation systems, such as fans, heat recovery units, or terminal blocks.

200-900-50 round silencer NRF (50mm insulation), ETS NORD

€106.60

The NRF 200-900-50 ETS NORD round silencer with 50mm mineral wool insulation is a high-quality product that provides exceptional noise reduction in ventilation systems. Suitable for 200 mm air ducts, 900 mm long.

200mm/1m AKUDEC-2 semi flexible sound attenuator Ø200mm, DEC International

€59.65

Ø200mm/1m AKUDEC-2 semi-flexible sound attenuator – premium aluminum insulated duct with 25mm acoustic barrier. Designed for efficient HVAC noise reduction and vibration control. For round air ducts.

250 mm end cap with rubber seal NAL, ETS NORD

End caps

€9.64

NAL 250 end cap with rubber seal ensures airtight closure for round ducts, protecting the system from dust, dirt and moisture.

250 mm rain hood with rubber seal for ventilation systems NTH, ETS NORD

Rain hood

€56.18

NTH 250 rain hood for 250 mm ducts, made of galvanized steel sheet, with rubber seal. Protects ventilation systems from rain and debris.

Throttle valve and accessories

250 mm round mechanical regulating damper KROS, ETS NORD

€18.98

KROS 250 is a high-quality mechanical air flow control and shut-off valve for round ducts. KROS 250 round regulating damper are particularly useful for controlling airflow, adjusting ventilation systems, and closing air ducts during maintenance work. Constructed from corrosion-resistant galvanized steel, suitable for 250mm round ducts. Easy to install and adjust, allowing precise control of airflow volume.

Throttle valve and accessories

250 mm round shut-off and regulating damper with sealing gasket and motor / handle platform KRTS-4

€38.25

KRTS-4 250 airtight galvanized shut-off and regulating damper – manual or motorized airflow control for large round ducts.

250 mm straight saddle with rubber seal NSK-T, ETS NORD

Flange

€7.68

NSK-T 250 - quick‑install ventilation flange is a high‑quality solution for connecting round air ducts or ventilation pipes to flat. Made from galvanised steel with a double rubber gasket – excellent airtightness and durability.

250-600-50 round silencer NRF (50 mm insulation), ETS NORD

€101.05

The NRF 50 250/600 ETS NORD round duct silencer, 600 mm in length with 50 mm sound insulation, is an essential component for ventilation systems, ensuring effective noise attenuation. Suitable for 250 mm air ducts, these innovative silencers provide excellent airflow performance and are used to reduce noise from various sources in ventilation systems, such as fans, heat recovery units, or terminal blocks.

250-900-50 round silencer NRF (50mm insulation), ETS NORD

€131.95

The NRF 250-900-50 ETS NORD round duct silencer with rubber seal, 900 mm in length with 50 mm sound insulation, is an essential component for ventilation systems, ensuring effective noise attenuation. Suitable for 250 mm air ducts, these innovative silencers provide excellent airflow performance and are used to reduce noise from various sources in ventilation systems, such as fans, heat recovery units, or terminal blocks.

250mm/1m AKUDEC-2 semi flexible sound attenuator Ø250mm, DEC International

€50.22

DEC International Ø250mm/1m AKUDEC-2 semi-flexible round sound attenuator – aluminum insulated duct with 25mm acoustic lining. Reduces HVAC system noise and vibration for quiet, efficient airflow.