Maximum Door Size(W x H): 37 x 82 inches, Capable Door Weight: 88 - 143 pounds, ANSI/BHMA A156.4, Grade1 certified, UL listed, ADA compliant (BF-4) Aluminum Alloy Body: Closer bodies are constructed of special aluminum alloy, carefully selected to accommodate interactive steel component and operation conditions Sweep and Latch Speed Control Valve: Allows adjustment of door speed from the door’s full open position down to approximately 10º from the closed position and from approximately 10˚ down to the door's fully closed position Rack & Pinion Operation: Provides a smooth constant control of the door through its full opening and closing cycle. 180˚.door swing can be achieved when door, frame, hardware and arm function do not interfere Non-handed: With few exceptions all NSK600 Series door closers are non-handed and can be installed on either right or left hand swing doors. Pinion shaft extends vertically through the closer body in both directions
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