Better door control starts at the top with an effective low energy operator like the PRECISION D-4990 Series.
The D-4990 Series is a robust door operator that ensures a safe and simple door opening solution. Its low resistance—combined with a user-friendly power-open feature—gives users the flexibility to fit a variety of door opening applications. With electro-hydraulic technology, it meets ADA requirements and the provisions of ANSI 159.19.
Compatible with BEST electric strikes or PRECISION motorized latch retraction (MLR) exit devices, and also works with other manufacturer's products
Power-close option assures the door overcomes interior stack pressure/wind, reducing heating and cooling loss
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