Sheet Metal Turning Vanes

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Sheet metal turning vanes.

Vane rail can be used to make quality turning vanes for any size elbow including change of size elbows. When airflow changes direction in a duct that lacks turning vanes the walls of the duct must absorb the sudden impact of the air and redirect it to the correct direction. Turning vane is used to turn the air flow in 90 degree square elbows on rectangular duct jobs. 4 push type rails smc 522 made from 22 ga.

Position the vanes in the vane rail slot. Steel 4 hollow turning vanes smc 424 dimpled made from 24 ga. An extra deep depression in vane rail allows for superior gripping action. The slots force the vanes to take the correct curve.

Turning vanes in hvac ductwork are perhaps one of the greatest sources of conflict between sheet metal contractors and hvac engineers. Hvac turning vanes are c urved sheet metal fins placed in air conditioning duct work at a point where the duct changes direction typically a 90 degree turn. Shear and form the vanes as indicated. Vr2 vane rail submittal fabricating air turning vanes.

Comments off on all about turning vanes. Secure the protruding vane with a ball peen hammer. The vane assembly is then fastened in the elbow. Duct fab supplies menu toggle.

They are used to promote a more uniform airflow and reduce pressure drop. Steel this ez rail eliminates any need for dowels screws or nails. These vanes are usually cut on a chopsaw from 10 ft lengths then mounted on rail that is itself screwed onto each of the elbow s interior cheeks. The efficiency of turning vanes in square elbows is understanding that the width of a duct is greater in the turn than the duct size itself.