• 3” through 5” Angle Rings are pressed formed 10 ga. gauge black iron.
• Available with or without holes.
• 6” through 120” Angle Rings made from mild steel.
• Angle Rings are used for round HVAC duct connections, on duct collection and fume control.
• Industrial round duct end treatment and stiffeners (see SMACNA Industrial Duct Construction Standards).
• Most mild steel rings available for immediate shipment (please consult factory).
• Other sizes and materials are available via special order (please consult factory).
To learn more about our companion angle rings — available in mild steel, or custom ordered in galvanized, aluminum or stainless steel — contact us and one of our expert team members will be happy to speak with you.