Mcgill Airflow Flexible Duct

Step 4b typical negative pressure testing.

Mcgill airflow flexible duct.

Use in ventilation equipment for air and gas that is free of corrosive fumes or particles. Westaflex noninsulated ducts are expandable flexible and made of strong lightweight 0 005 aluminum alloy. They can be installed within walls wall chases or ceilings where inaccessibility requires a durable duct. To prevent problems use saddles or straps to support at regular intervals 4c 4d follow the manufacturer s instructions but in case they get lost here is a list of best practices for.

Insertion loss value comparison 1 inch thick insulation used as a liner in 26 inch by 26 inch duct insertion loss db ft 63 125 250 500 1k 2k 4k 8k fiberglass 2 2 4 13 32 17 13 14 closed cell foam 2235 13 797 double wall duct construction protects the fiberglass insulation during cleaning. Mcgill airflow llc we pioneered the manufacture and use of spiral duct and fittings for heating ventilating and air conditioning hvac in the usa. Sometimes the best route for a flexible duct run is up and over an obstruction. For all standard components except the 4 inch two options exist for performing negative pressure testing.

Our extensive lines of duct system products are engineered for performance and economy and continue to set the standard for the industry. But without proper support ducts can develops sags or kinks that reduce airflow 4a 4b. Family owned and operated since 1951. The arrow on the calibration sticker shows direction of flow.

2020 united mcgill corporation. Glued to the inside of duct and fittings.