LCN 4040XP-3071 SRI Cast Iron Cylinder Assembly with Special Rust Inhibitor (Closer Body)


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  • For LCN 4040XP Series
  • Non-handed, cast iron cylinder assembly
  • Adjustable size 1-6

LCN 4040XP-3071 AL SRI Cast Iron Cylinder Assembly, Heavy Duty, Special Rust Inhibitor, Aluminum Painted Finish, Non-Handed

For installations where a higher level of protection against weather conditions, or the effects of a potentially corrosive atmosphere is required, LCN offers a special rust-inhibiting (SRI) process. Ferrous metal components receive an SRI pretreatment and a standard powder coat finish. Closers treated with the SRI process exceed the 100 hour protection level available with standard LCN powder-coated finishes.

  • Standard, non-handed, cast iron cylinder assembly for 4040XP Series
  • Adjustable from size 1 through size 6
  • Includes LCN Green Dial
  • Includes special rust inhibitor



689 Aluminum (Powder Coated)

Part Type

Closer Body

Special Rust Inhibitor


Body Construction

Cast Iron Body


All Weather Fluid



Spring Size

Adjustable Spring Size 1-6

Buy American Act Compliance

Meets Buy Amercian Act – Made in USA

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LCN 4040XP-3071 SRI Cast Iron Cylinder Assembly with Special Rust Inhibitor (Closer Body)