HDD
Heavy-Duty Dock Door
Brochure Product Data Sheet Arch Specs Warranty
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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Supporting Documents
- HDD - Brochure
- Rubber Models Overview - Brochure
- HDD - Product Data Sheet
- HDD - Arch Specs
- HD Series Chain Drive Doors - Owner's Manual
- HD Series Chain Drive Doors - Installation Instructions
- HD Series - Mechanical Installation Instructions for Door Options
- HDD - Shop Drawing
- HDD, HDLH, HDXL Warranty