Due to ongoing increases in material and supply costs, we will be implementing a 10% surcharge on ALL Cast Aluminum Blast Gates, effective June 4th, 2026. These adjustments are necessary to continue providing high-quality products while complying with regulations.

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Pipe & FittingsHeavy Duty
12-18 Ga. Welded

HD Square to Round

Adapts our HD angle flange pipe to your specified square or rectangular opening. Our HD Heavy Duty duct system is designed for removal of large or heavy materials or abraisive media.

HD SQUARE TO ROUND

HD Square to Round

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  • Galvanized 18 ga, 16 ga, 14 ga & 12 ga
  • Standard style is one end raw, other end with angle flange
  • Vanstone ends with rotational angle flange is standard
HD Square to Round

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HD Square to Round .pdf Spec Sheet
HD HOSE ADAPTERS
DIA.GAPart No.Price
Made to your specification.
Please download our
SQUARE TO ROUND ORDER FORM.pdf

TO ORDER CALL 877-904-4022
PLEASE CALL OR EMAIL US FOR HEAVY DUTY PRICING
RELATED PRODUCTS
HEAVY DUTY SYSTEM:
HD Angle Ring Pipe
45° and 90° HD Elbows
45° HD Wye Branches
HD True Wye Branches
HD Double Branches
HD In Cut Taps
HD ACCESSORIES:
HD Angle Rings
HD Reducers
HD End Plates
HD Machine Adapters
HD Hose Adapters
HD Square to Round
BLAST GATES:
HD Manual
HD Automatic
FLEX HOSE:
Selection Guide
Drop-Box
Return to the Heavy Duty Index
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