Carlson Products Wichta Kansas

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springbutthinge.jpg (7374 bytes)

Type 1
Spring Butt Hinge
offsettoppivot.jpg (7366 bytes) Type 2
Offset Top Pivot
bottomhinge.jpg (7567 bytes) Type 2
Bottom hinge & adjustable cam plate

 

Kickplates and pushplates as shown are optional

Click here for Traffic Door Diagrams

Lightweight, double acting aluminum sheet traffic doors available with spring butt hinges or gravity hinges, ideal for high volume foot traffic areas in retail, grocery, warehouse, or food service applications.

Construction:  Aluminum traffic doors are constructed of satin anodized aluminum sheet available in thicknesses of 0.063" standard duty or 0.090" heavy duty. Hinge edge is constructed of either aluminum angle or aluminum extrusion riveted to door skin.  Door edge clearances are:  top 1/2", bottom 1/2", vertical 3/16".  Doors can be mounted in wood or metal jambs (1/4" steel reinforcement is recommended in hollow metal frames).

Type 1 - Spring butt hinges are mounted to 1-1/4" x 1-1/4" x 3/16" aluminum angle which is riveted to the door skin on the hinge edge and runs the full height of the door. Spring butt hinges provide adjustable positive closing force ideal for applications requiring rapid closure.  The positive spring pressure will also maintain doors in the closed position under drafty conditions.

Type 2 - Gravity hinges are mounted to an aluminum extrusion which is riveted to the door skin on the hinge edge and runs the full height of the door.  Gravity hinges provide gentle closing action activated by an offset pivot at the top of the door and an adjustable cam plate at the bottom of the door.

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