GDI’s JHMG is ideal for cold storage, high-speed rollups, heavy rolling steel doors, and applications that punish conventional operators.
| Feature | Description |
|---|---|
| Door Types Supported | Rolling steel, sliding, sectional, spring-balanced, counterweighted, unbalanced, high-speed fabric |
| Operator Weight | 18 lbs (compact, lightweight) |
| Environment | Corrosive, cold (food-grade, cold storage) |
| Control Panel | NEMA 4/4X standard, NEMA 1, 12, 13 optional |




