Round Duct Connectors

Mercer Rubber

External Flowing Arch

Round duct connectors with an external flowing arch are designed to accommodate movements and provide flexibility. The MI-9 series includes three styles based on the number of arches: MI-9-1 has a single arch, MI-9-2 has two arches, and MI-9-3 features three arches. These connectors are constructed with a minimum 2-ply rubber-impregnated fabric or tire cord. They are flanged to match various drilling specifications.. With sizes available up to 154″ in diameter, they are designed to accommodate compression, extension, and lateral movements.

Mercer Rubber

No Arch

The MC-3 style of round duct connector is characterized by its absence of arches. This design is straightforward and is flanged to match various drilling specifications. The MC-3 type provides connection in duct systems without the added flexibility of arches.

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