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Commercial Door Operators Residential Door Operators Elevator and Lift Door Operators	Accessories Product News & Announcements
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DuraSwing™ MK 5+ Full-Time Door Operator
The MK5+ is ideal for retrofit or new construction and automates all swing doors up to 4.0 feet wide. It is a header-mounted system, intended for high-traffic, full-time applications. However, the system can be configured for on-demand operation as well.

The MK 5 includes a hydraulic closing mechanism which allows it to work as an automatic door closer when the power is turned OFF. This operator is tested to exceed one million full-load open/close cycles. It includes three modular components and can be installed by a single person in an hour or less.

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DuraSwing™ MK 4 On-Demand Door Operator
This swing door operator is also ideal for retrofit or new construction. It automates all exterior or interior swing doors up to 4.0 feet wide, including plate-glass frameless doors. The MK IV is a jamb-mounted system that works with existing closers. The actuator arm does not connect to the door. It is subject to wear-and-tear only when activated.

This is truly an on-demand system that adds no resistance to normal door operation. Like the MK 5, this model is tested to one million cycles and is quite easy to install.

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DuraSwing™ MK 4R On-Demand Door Operator
This model is ideal for interior and exterior doors up to 4 feet wide that latch when closed. It can operate in either an in-swing or out-swing configuration.

The MK 4R unlocks, power opens, holds open, power closes and re-locks the door. This header-mounted system consists of three modular components for easy installation and service.

The MK 4R comes standard with a wireless receiver, providing the capability to operate the door with a variety of hand-held remote transmitters. Up to four separate openers can be controlled by the remote. For example, the remote for a typical residential installation might operate the garage door, front door, plus two other doors.

Typical MK 4R kit components are shown in blue (right).

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DuraSwing™ 4 Series Door Operators
for BFLD, SED, WED, Residential & LULA Elevators

Door Motion Technologies offers three applications for the DuraSwing™ DS 4 series product:

The electronics and hardware vary slightly for each application. All three systems feature true microprocessor control, minimizing the need for manual adjustments and ensuring smooth and quiet operation.

While opening, the gate will reverse and shut down if obstructed. While closing, the gate will re-open, hold and attempt to close if obstructed. Obstruction sensitivity is programmable and force and opening width are adjustable.

The DS 4C is the most cost-effective, full automation application – particularly for LULA elevator types. For this application, both the safety gate and hatch door operators are mounted on the cab. This allows all in-line gates and doors to be operated by the cab-mounted equipment.

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Door Motion offers a full line of accessories – including switches, remote controls and receivers – to fit a wide range of commercial and residential applications. Popular accessories include:

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