The 4040XP is LCN's most durable and flexible heavy duty closer designed for institutional and other demanding high traffic applications. Featuring a cast iron body, forged steel arm, double heat treated steel pinion, and all weather fluid. The non-sized cylinder is adjustable for interior doors to 5'0" and exterior doors to 4'0". Closers meet ADA requirements, are UL and cUL listed for self-closing doors without hold open and are tested and certified under ANSI Standard A156.4, Grade 1.
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