Norton 8501M Door Closer with Metal Cover

Norton 8501M Door Closer with Metal Cover

• Aluminum Alloy Housing: 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-Degree door swing can be achieved when door, frame, hardware and arm function do not limit door swing.
• Non-handed: 8501 closers are non-handed and can be installed on either right- or left-hand swing doors. Pinion shafts extend vertically through the closer body in both directions.
• Sweep Speed Control Valve: Allows adjustments of door speed from the door's full position down to approximately 10-degrees from the closed position.
• Latch Speed Control Valve: Allows adjustments of door speed from approximately 10-degrees down to the door's fully closed position.
• Tri-Style: All 8501 Series Closers come with screws, brackets & soffit plate to allow for regular, top jamb & parallel arm installations.
• Adjustable Backcheck Cushion Valve: Provides control of the door in the opening cycle, beginning at approximately 75-degrees of door opening. It slows/cushions the door opening, when the door is forcibly opened beyond its pre-adjusted opening speed limits.
• Optional Metal Cover: This steel cover is non-handed for regular and parallel arm applications, but is handed for top jamb applications.