Norton UNI7500-SN-36-689 ADA Adjustable Surface Door Closer, Sizes 1-6, Full Cover, Grade 1, UL

Norton UNI7500-SN-36-689 ADA Surface Door Closer offers a robust solution for high-traffic environments, combining durability with efficient functionality. Designed with an adjustable spring size range of 1-6, this door closer accommodates various door weights, supporting up to 250 lbs. Its cast aluminum body ensures long-lasting performance, while the full cover and low-profile design provide a clean aesthetic. This surface-mounted closer features a non-hold open function and is equipped with a Unitrol arm that includes a compression spring buffer, allowing for controlled stops. The closer is suitable for both interior and exterior doors, making it versatile for various applications. With a traffic rating suitable for heavy usage, it exceeds 25 million cycles, ensuring reliability over time. Additionally, the Norton UNI7500-SN-36-689 is UL certified and meets ANSI/BHMA A156.4 Grade 1 standards, offering peace of mind in security applications. Its parallel mounting capability allows for easy installation in tight spaces, while the adjustable valves for latch, sweep, and backcheck intensity ensure precise control over door movement. Backed by a 30-year limited warranty, this closer is an excellent choice for institutional and commercial settings seeking dependable door control solutions.

ADA Surface Door Closer, Adjustable Spring Sizes 1-6, Full Cover, Unitrol Arm with Compression Spring Buffer for Controlled Stops, Non-Hold Open, Parallel Mounting, Grade 1, UL, 689/SP28 Aluminum Powder Coat

The 7500 series is a robust, multi-sized surface closer designed to deliver superior performance and long-term reliability. Ideal for interior or exterior doors in high security and institutional facilities that demand reliability.

Features:

• Cast aluminum body
• Adjustable, heavy-duty spring sizes 1-6
• Tri-packed
• Exceeds 25 million cycles
• Constructed with robust materials and internal components
• Larger 1-1/2" (38mm) diameter piston
• One package covers regular, top jamb, and parallel arm mounting
• Non-handed
• Stringent testing supports a long-life of reliability
• Projection: 2-1/8"
• Low profile projection provides clean aesthetic
• Interior or exterior doors
• Arm configurations meet broad range of applications
• Staked valves
• Staking limits ability to accidentally back out the valve while adjusting closer
• All standard arm applications allow doors to swing 180, conditions permitting
• Extensive offering of accessories to assist with the most difficult applications
• Hold open, heavy-duty, and low profile arms available
• Proprietary lubricate delivers optimal performance and efficiency
• Slide track - push or pull side mounting
• Standard, separate and independent latch, sweep, and backcheck intensity valves
• Retrofit plates, drop plates, back plates, mounting plates, brackets available
• Available fasteners: sex nuts, thru-bolt grommet nuts, Torx

Specifications:

• Closer Type: Surface
• Maximum Door Weight: 250 lbs
• Traffic Rating: High traffic
• Warranty: 30-year limited warranty
• Certifications: ANSI/BHMA A156.4, grade 1

Models:

• 7500: Regular Arm
• Only pull side application where double lever arm is used
• Most common mounting, providing the greatest closing efficiency
• 7500: Parallel Arm
• Provides the most appealing appearance for a surface-mounted door closer with a double lever arm
• Very little or no hardware projecting beyond the frame face, when in closed position, in most situations
• 7500: Top Jamb
• For efficiency purposes, this application provides the best alternative to the regular arm
• Requires a top rail on the door of just 2-1/8" (54mm)
• Provides the best control for doors in exterior walls that swing out of a building
• 7500ST: Pull side slide track
• Provides the smoothest lines available in a surface mounted door closer
• Adjustable 85° to 110°
• 7540ST: Low profile pull side slide track
• Provides the smoothest lines available in a surface mounted door closer
• Features narrow, slim track
• Adjustable 85° to 110°
• 7580: Low Profile, Regular Arm
• Reduced height elbow joint and straight main arm
• Allows closer to be installed where there is as little as 1" of frame face or ceiling clearance
• CLP7500: CloserPlus arm
• Arm incorporates a stop at the arm's soffit plate to dead stop the door at a predetermined degree of door swing between 85° and 110°, in 5° increments
• Prior to dead stop the door closer's backcheck feature slows the door speed to reduce the impact of the stop action
• Intended for use where an auxiliary door stop cannot be used and no more than moderate abuse is anticipated
• UNIJ7500: Unitrol top jamb arm
• Combines the features of a double lever arm overhead door stop/holder with the backcheck feature of the door closer to reduce door stopping shock loads
• A compression spring buffer at the soffit plate/arm shoe will absorb 30 lbs. of force, 5° prior to the door's dead stop
• Most controlled stop available with a surface closer
• Reveal must be specified when ordering
• PR7500: Parallel Rigid Arm
• Enhanced variation of standard parallel arm assembly
• Intended for use in heavy traffic areas where auxiliary door stops are installed
• UNI7500: Unitrol parallel arm
• Combines the features of a double lever arm overhead door stop/holder with the backcheck feature of the door closer to reduce door stopping shock loads
• A compression spring buffer at the soffit plate/arm shoe will absorb 30 lbs. of force, 5° prior to the door's dead stop
• Most controlled stop available with a surface closer
• Reveal must be specified when ordering

Finishes:

• 689/SP28 - Aluminum painted
• 690/US20 - Dark bronze painted
• BSP - Black suede powder coat
• WSP - White suede powder coat

Resources

• Sell Sheet