Norton 1601H-690 Hold Open Arm Aluminum Storefront Multi-Size Door Closer

Multi-Sized Adjustable Size 3-6 Utility / Storefront Door Closer with Hold Open Function Norton Door Controls offers traditional surface, industrial economy, overhead concealed, security, commercial, architectural, electromechanical and electrified closers. To complement the closers, Norton also offers a unique range of arms to help provide maximum door and frame protection. Since 1957, Norton Door Controls have been manufactured in Monroe, North Carolina. Features Adjustable Spring Sizes 3 through 6. Hold-Open Function allows you to keep the door open when necessary Closer bodies are constructed of a special aluminum alloy, carefully selected to accommodate interaction with steel components and operating conditions. 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 limit door swing. Door closer is 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. 1600BC/1601(BF) closers come with screws, brackets & soffit plate to allow for regular, top jamb, & parallel arm installations. Sweep Speed Control Valve Allows adjustment of door speed from the door's full open position down to approximately 10° from the closed position. Latch Speed Control Valve Allows adjustment of door speed from approximately 10° down to the door's fully closed position. Adjustable Back check Cushion Valve Provides control of the door in the opening cycle, beginning at approximately 75° of door opening. It slows/cushions the door opening, when the door is forcibly opened beyond its pre-adjusted opening speed limits. These closers carry a limited ten-year warranty against defects and a limited lifetime warranty on the aluminum housing

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