Aug 26, 2020 · When Will I Need To Use A Cowl? A cowl is a hood-shaped covering of a chimney stack or ventilation discharge. These are used at the end of ducting systems when air is …

Ducting jet cowls or 'Swedish Cowls'. Jet cowls offer an advantage over standard round cowls in that expelled air is directed upwards rather than out the sides, thereby decreasing the …

The conical cowl for ducting is a basic roof outlet cowl for all ventilation systems. It prevents ingress from the outside (e.g, birds) and protects a vertical outlet against rain. Main features

Nordfab's Quick-Fit (QF) Jet Cowl is used as an external outlet, like a chimney, to allow air out and prevent rain from entering ductwork. It can sometimes be referred to as a Swedish Cowl …

High Velocity Cowls are primarily designed to expel fumes and gases vertically and at speed away from the building. The ducting cowls also prevent rain from entering the ducting system …

This Jet Cowl is designed as a vertical outlet that ejects air upwards. A Jet Cowl from iDuct is the optimal solution for controlling where the air is outputted within your ventilation, air conditioning …

Nordfab flanged ductwork is typically used for larger diameters and used in high-pressure industrial ventilation systems where airtight connections are essential. Can't find what you're …

Using a jet cowl often means a vertical duct can be shorter than it would otherwise need to be with a standard cowl. Rainwater is caught in a dish within the cowl and is fed out through a …

A Swedish cowl is a vertical discharge designed to terminate a duct that is blowing air from a building's extraction system, specifically designed to improve airflow and prevent downdrafts …

We offer a range of spiral ducting products such as ducting cowls. Contact Alco Engineering for your ventilation solutions.