9540 Series Closer

The Norton 9540 Cast Iron door closers provide an ideal retrofit solution for retail, office,government and other commercial facilities. Certified to ANSI/BHMA Grade 1 requirementsfor long life and reliability, the 9540 is a direct replacement for LCN 4040 closers.Featuring a 25-year warranty, adjustable spring sizes 1-6, and Tri-Style® packaging, thisheavy duty closer provides durability and strength for high traffic applications.


Door closers shall be of full rack and pinion construction with a heat-treated steel spindle and a forged steel piston precision machined and heat treated. The case shall be of cast iron. All closers for both interior and exterior doors shall be the product of one manufacturer.

Surface closers shall be adjustable to provide sizes 1 through 6 and comply with ADA. 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.

All arms shall be finely finished with heavy duty forged steel main arm. All closers shall be suitable for regular arm, top jamb, and parallel arm mounting.

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° of door opening for all applications. This valve shall be operative on regular, top jamb and parallel arm mountings. Closer covers shall be non-handed to meet a variety of door conditions and design requirements. Closer covers shall be of high impact plastic material of flame retardant grade, secured by machine screws.

Projection of the closer body from the door shall not exceed 2-1/4". Closers shall be capable of mounting on 2-1/8” top rail or inverted mounting on 1-3/4" top jamb.

Metal covers shall be available. All closers with metal covers shall be available in architectural finishes to match corresponding door hardware.  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.

Closer shall have a 25-year limited warranty. Closers with non-hold open arms shall be listed by Underwriters Laboratories.


Bright Brass

Satin Brass

Bright Bronze

Satin Bronze

Satin Nickel 

Dark Oxidized
Satin Bronze,

Bright Chrome

Satin Chrome  


Statuary Bronze

Dull Bronze


Medium Amber

Black Suede
Powder Coat

White Suede 
Powder Coat



  • Cast iron closer body
  • Retrofits LCN 4040
  • Non-hold open
  • Non-handed
  • Rack-and-pinion design
  • Staked valves
  • 2-1/4" (57mm) projection
  • 1-1/2" (38mm) diameter piston
  • 5/8" (16mm) diameter pinion journals
  • Mounting bracket
  • Tri-style® packaging: packed for regular, top jamb or parallel arm mounting
  • Adjustable spring sizes 1-6
  • Molded ABS plastic cover
  • Metal covers (optional)
  • 30 year limited warranty

Typical Applications

For new and retrofit applications in:
  • Retail 
  • Offices 
  • Commercial Facilities


  • ANSI/BHMA A156.4, Grade 1 certifed
  • UL / cUL listed for use on fire rated doors
  • UL10C listed for positive pressure fire test
  • Complies with requirements for the Americans with Disabilities Act (A.D.A) and ANSI standard A117.1
  • Manufactured in an ISO 9001 facility

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