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Ventilation Attenuators - Circular Duct Silencers - 250 x 600mm

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(incl VAT) £143.00 £136.20
-10%
(excl VAT) £113.50
Estimated Delivery Date Jul 16, 2025 - Jul 17, 2025
No deliveries on weekends or holidays.
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Looking for a solution to reduce noise and control airflow in your ventilation system? Look no further than STÖRNCH ventilation attenuators.

Ventilation attenuators are expertly designed to provide exceptional noise reduction and airflow control in a range of HVAC applications. Whether you're looking to reduce noise in an industrial setting or control airflow in a commercial building, these circular attenuators are the perfect solution.

STÖRNCH SpiraSafe is a well-established system of ventilation fittings, with factory installed EPDM rubber gaskets. The system offers a host of advantages to both the installer and the end user.

Construction:

The STÖRNCH SpiraSafe circular attenuators are made of galvanised steel pressed bend, seam welded and calibrated, c/w EPDM rubber gaskets. The double gasket ensures tight, safe and permanent connections between system components, which are air-tight and do not require the use of mastic or sealant.

The outer cover of the ventilation attenuator is made from a circular duct with a 50mm glass mineral wool
attenuating layer

Key Features: 

  • Easy to install, saves up to 40% of the time when compared to regular ventilation attenuators
  • Can be installed anywhere in the duct.
  • Male connections which fit directly inside the spiral ducting
  • Superior Class D Air Tightness
  • Cost Effective circular attenuators. As they are easy to install they help cut labour costs
  • Perfect for exposed installations. Clean and tidy installation

Applications:

  • Suitable for high, medium and low pressure ventilation applications
  • Circular attenuators are used to attenuate or silence the noise in ventilation and air conditioning ducts
Delivery Terms
Area Order value Delivery Charge (Ex VAT)
On select Postcodes (Around London, Manchester, Leeds, Bristol, York etc)  Orders  Below £110 £10
On select Postcodes (Around London, Manchester, Leeds, Bristol etc)  Orders Above £110  Free Delivery
On select Postcodes (Scotland, Swansea, Cornwall etc) Any value £25

 

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Delivery Charges

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Delivery Terms
Area Order value Delivery Charge (Ex VAT)
On select Postcodes (Around London, Manchester, Leeds, Bristol, York etc)  Orders  Below £110 £10
On select Postcodes (Around London, Manchester, Leeds, Bristol etc)  Orders Above £110  Free Delivery
On select Postcodes (Scotland, Swansea, Cornwall etc) Any value £25

 

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