Ideal for high use openings, the Norton 9500 Series Cast Iron door closer offers the durability, flexibility and strength required to meet the needs of your facility. For interior or exterior doors, this ANSI/BHMA Grade 1 closer features a clean, modern cover aesthetic and durable cast iron body that can be used in a variety of institutional and educational environments requiring ADA compliance.
Exceeds 20 million cycles (witnessed and verified by U.L.)
Cast iron closer body
Unique cover design featuring Norton branding
Standard, separate and independent, latch, sweep and backcheck intensity valves
1-1/2" diameter piston
Closer mounting plate for easy installation
Tri-style packaging: packed for reqular, top jamb or parallel arm mounting
Adjustable spring size 1-6
Molded plastic cover
All standard arm applications allow doors to swing 180°, conditions permitting
Heavy-duty arms: Regular Rigid, Parallel Rigid, CloserPlus, Parallel Rigid Offset and Unitrol
Door closers shall be of rack and pinion construction with a cold headed heat-treated steel spindle and a forged steel piston precision machined and heat treated. The case shall be of cast iron. Closers shall have a heavy-duty, forged steel main arm.
Optional arms shall include parallel rigid, parallel rigid friction hold open, regular rigid, CloserPlus, CloserPlus hold open, Unitrol, Unitrol hold open and track assemblies.
The following size options shall be available: Fully adjustable spring power to accommodate sizes 1 through 6.
All sizes shall be accommodated in one closer body. Closing shall be controlled by two valves — one to control closing speed and one to control latching speed. Valves shall be concealed against unauthorized adjustment and be non-critical with “O” ring seals.
Delayed action shall be available and shall be accomplished with a separate valve.
Closers shall be available with an adjustable backcheck intensity valve with a safety feature that automatically relieves internal pressure when backcheck has reached the desired adjustment level. Valves shall be accessible without removing the closer from the door.
Closers shall be available with a backcheck intensity valve. Backcheck begins at approximately 70 degrees of door opening for all applications. This valve shall be operative on regular, top jamb, parallel arm, and track type mountings. Closers shall be surface applied with rectangular cover. Closers shall not project over 2-1/4", and shall be capable of mounting on 1-3/4" top rail or inverted mounting on 1-3/4" top jamb. Full cover with security fasteners shall be available. Closers without hold open shall be regularly furnished with power adjustment arm bracket capable of providing a 15% power adjustment. A mounting bracket to attach the closer shall be regularly furnished. Hydraulic fluid shall be of a type requiring no seasonal valve readjustment due to extreme temperature variations.
Closers mounted regular arm, top jamb and parallel arm shall allow for full 180° door opening.
Closers with non-hold open arms shall be listed by Underwriters Laboratories.
All closers with metal covers shall be available in architectural finishes to match corresponding door hardware.