Concealed Overhead Door Closers with Fixed and Adjustable Power Spring

• ANSI A156.4 Grade 1: UL Listed
• Cal-Royal’s finest concealed overhead door closer series meeting the highest industry standards Grade 1.
• UL Listed for fixed size door closers. ( Grade 1 )
• UL Listed 10c for adjustable door closers. ( Grade 1 )
• Center Hung Door Application: Double or Single Acting applied door stop renders unit Single Acting ( Adjustable “S” type side loading or “A” type, “K” type, and “PT” type end loading arms are available for center pivoted door applications. )
• Offset Hung Door Application: Single Acting Offset “JO” and “VO” type top arms are available for butt hung or offset pivoted applications.
• Available with ½”, ¾” long, and ⅞” extended spindles.