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Round Ducting Expansion Joints

  • Lightweight Construction

  • Maximum Flexibility

  • Eliminates Gaskets

  • Absorbs Fan Vibrations

  • Abrasion Resistant

kanwal also offer a wide variety of round expansion joints designed for use on law pressure round ducting system with a maximum pressure 
to 10 psi.

Round Ducting Joints are often utilizes in lightweight air handling system such as precipitators, scrubbers, fans and big hoses to absorb vibration, thermal movements and misalignments.

This type of expansion joint is available in a variety of material configurations such as Neoprene, EPDM, Chlorobutyl, Hypalon or Viton flow elastomers with fiberglass, fiberglass/Kevlar, or polyester reinforcement.

Flanged style of ducting expansion joints are drilled to customer specifications, Round Duct Expansion Joints can also be manufactured with a slip-on connection where no mating flange exists.  The Joint is manufactured to the exact outside diameter of the duct, and simply slipped onto the pipe.  Stainless steel bands hold the joint securely in place.

MATERIALS OF CONSTRUCTION

  • ELASTOMERS
    Pure Gum Rubber, Neoprene, Hypalon
    Chlorobutyl, Buna-N, EPDM, and Viton

 

Maximum Movement Capabilities In inches

Movement 
At Shown Face-to-Face
6 " Face-to-Face 9 " Face-to-Face 12 " Face-to-Face 16 " Face-to-Face
Axial Compress Axial Extension Lateral Defect Axial Compress Axial Extension Lateral Defect Axial Compress Axial Extension Lateral Defect Axial Compress Axial Extension Lateral Defect
1.5" 0.5" 1" 3" 1" 2" 4" 1" 2.5" 6" 1" 3.5"

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