Model HD-SD 3020
HD SERIES SPRUNG DRIVE ECONOMY RUBBER DOOR
![Model HD-SD 3020](https://www.tnrdoors.com/media/zoo/images/HD-SD_3020_Bell_Canada_truck_service_Lite_Advance_1663c600cdfdf7c9065e73c6d66463d0.jpg)
OVERVIEW
The typically harsh environments of heavy industrial applications are where these extremely reliable doors are most valuable.
FEATURES AND BENEFITS
- HD-SD 3020 Economy model gets the job done with a basic right-angle gearhead operator, opening the door at up to 18 inches per second.
- The HD-SD 3020 uses relay logic and contactors in a NEMA 1 operator mounted control box (OMC). Upgraded controller options are available for a wide range of applications covered by these versatile doors.
MORE FEATURES RUBBER MODELS OVERVIEW