HDD

Heavy-Duty Dock Door

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HDD

Heavy-Duty Dock Door

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Ideal for no-nonsense dock areas in distribution, commercial, and manufacturing applications, the HDD provides fast and reliable 4.5:1 manual chain hoist operation and impact release performance.

Suitable for applications up to 10 feet wide and 12 feet high, the inboard spring assembly has a 25,000 cycle rating, which easily accommodates low cycle door openings.

A sleek profile requires just 4-1/2” for the guide tracks allowing for easy installation, and with no guide gap maintenance required, overall required maintenance is minimal. 

Product Highlights

Feature Details Rating
High Speed (manually operated) Not applicable
Low Maintenance Manual chain drive, 25K cycle counterbalance spring


Impactability Break-away


Max/Min dimensions 8'-0" up to 10'-0" wide
8'-0" up to 12'-0" high
Not Applicable
Warranty 2 year - Limited lifetime on rubber curtain




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