The typically harsh environments of heavy industrial applications are where these extremely reliable doors are most valuable.
![TNR HDL - Door Doctor image TNR HD-SD 3020](/images/2021/09/Tnr-industrial-sprung-drive-rubber-door-hd-sd-3020-logo.jpg)
TNR HD-SD 3020 - Sprung Drive Rubber Door
HD-SD 3020 Model Specifications
- 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.
HD-SD 3020 Model Colours
Specifications
HD-SD 3020 Model Specifications
- 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.
HD-SD 3020 Model Colours