Door Motion Technologies MK IV
DMT’s MK-IV Door Operator automates all exterior or interior swing doors up to 4 feet wide, including plate-glass frame-less doors. This jamb-mounted system works with existing closers and adds no resistance to normal door operation.



Door Motion Technologies MK-IV Door Operators are supplied with a 2 year limited warranty.



  • Choice of on-demand or automatic (full-time) operation
  • Rugged construction – system does not require a clutch system to protect the gear train
  • Works with any existing closer
  • Non-handed – system converts from right- to left-hand configuration in 15 minutes or less
  • Push- or pull-open operations
  • No maintenance required
  • No external safety devices required
  • Quiet, smooth and efficient operation
  • Hold-open and operator shut-off switches are standard
  • Push and go operation
  • Available in standard and custom powder coated finishes


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DMT MK-IV Automatic Door Opener