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Spiral, Round Duct & Couplings

Gored Vs Pleated Elbows

Wrong gore count/radius increases pressure drop or won't fit

Green / Field Check2ndBatch 5

What This Helps With

Wrong gore count/radius increases pressure drop or won't fit

Apprentice words: gored elbow

Trade terms: gored elbow, pleated elbow, number of gores, throat radius

Check First

Gore count and centerline radius called for

What Not To Do

Assume any 90 works in a tight coordination spot

What can go wrong: Swapping a tight elbow for a different radius

Better Foreman Question

What gore count/radius does this elbow need here?

Open In Ask Foreman

Verify With

Reference type: project drawings

Source to verify: Supplier fitting data; drawings

Safe wording: Explain gores plainly; radius per design.

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