What's the best way to modify a square-to-round transition if the VAV is off-center?

If the layout has shifted, you can field-modify the transition by trimming back the length of the flat rectangular sheet metal wrapper sides on one axis. This skews the round collar center point over toward the path of the new VAV alignment line. If the shift is massive, stop and have the shop burn a new asymmetric fitting on the plasma table to avoid choking down the air stream.

['If the layout has shifted, you can field-modify the transition by trimming back the length of the flat rectangular sheet metal wrapper sides on one axis. This skews the round collar center point over toward the path of the new VAV alignment line. If the shift is massive, stop and have the shop burn a new asymmetric fitting on the plasma table to avoid choking down the air stream.']

Stop if

• Use this as training guidance. The foreman, approved drawings, project specs, manufacturer installation instructions, employer safety policy, and AHJ/code requirements always control the final answer.

Check

• If the layout has shifted, you can field-modify the transition by trimming back the length of the flat rectangular sheet metal wrapper sides on one axis. This skews the round collar center point over toward the path of the new VAV alignment line. If the shif

Steps

• If the layout has shifted, you can field-modify the transition by trimming back the length of the flat rectangular sheet metal wrapper sides on one axis. This skews the round collar...

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