- Clear opening width = Distance between the building’s jambs or columns
- Clear opening height = Top of finished floor to where the door stops when open
- Bi- Fold Door (220v) 220 Volts single phase
- Hydraulic (220v) 220 Volts single phase
Example: When you go to open your bi-fold door, you will need to go to the center of the door and manually lift one 3’ long swinging handle. This will then release the locks on both sides of the door at the jambs that hold the bi-fold door shut. Next you can go hit the open push button on the wall station. The door will go up and stop on its own. When you’re ready to close the door, simply press the down button. It will stop on its own at the correct stopping point. You will still need to swing the same 3’ long swinging handle the opposite direction to lock the door in place.
The manual pull handle has a safety switch so when the handle is in a locked position it is completely dead until handle is released. This saves from any accidental damage to the door.
With this option, customers tend to add a receiver to the door, along with remote transmitters. This lets the user operate the door from a vehicle like a combine, tractor or airplane, without getting out.
Midland will install the door at any phase. Midland installers can sheet, insulate and line the door to be sure it’s done correctly.
New insulated door takes about 2 days (18 hours)
Retrofits (slider replacement) door takes about 1 day (9 hours)
- Best for areas that have open flames or grinding and torching
- Typically travel about 10’ per minute
- Cost more, because there are more components
- Straps start out slower, but gain speed as they roll up onto themselves
- Travel about 15’ per minute
- More user-friendly because the tensioning component makes it easier to adjust
Hydraulic = 4”