Norton 1601

• ANSI A156.4, Grade 1
• 10-year warranty
• Non-handed
• Rack-and-pinion design
• Cast aluminum body
• 1-3/8" (35mm) diameter piston
• 5/8" (16mm) diameter pinion journals
• Standard, separate and independent, latch, sweep and backcheck intensity valves
• 2-7/8" (73mm) projection
• Tri-Packed- packed for regular arm, top jamb and parallel arm installations
• All standard arm applications allow doors to swing 180°, conditions permitting
• Molded Plastic cover (optional)
• Available with PR, CLP, UNI arm options
• UL10C

Finishes
All door closers are painted in water-borne acrylics. All steel parts, arms, brackets and mounting plates are powder coated. The closers will withstand 100 hours of salt spray.

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° door swing can be achieved when door, frame, hardware and arm function do not limit door swing.

Non-Handed
With few exceptions all series 1600BC and series 1601 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. This permits the closer to be positioned on either right or left hand doors for most applications. Some options (such as Parallel Rigid hold open arms) will require that the hand of the closer be specified.

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 Value
Allows adjustment of door speed from approximately 10° down to the door’s fully closed position.

Adjustable Backcheck 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.

Warranty
These closers carry a limited ten-year warranty against defects and a limited lifetime warranty on the aluminum housing.

Closer Fluid
NorGlide® door closer fluid is a specially formulated hydraulic fluid that contains lubricity and anti oxidation agents that provide optimum performance and efficiency. This fluid complements the interaction of the door closer's aluminum housing with its steel and zinc components, while maintaining stable viscosity to allow the door closer to perform in temperatures ranging from extremely high to as low as -40° F.