The DC-851/831 closer has a cast aluminum alloy body and is recommended for use on heavy duty commercial, architectural, and institutional applications. It is tri-packed with regular, parallel, and top- jamb mounting. Closers with non-hold open arms are UL listed for “A” label fire doors. Fully compliant with opening force requirements for ADA and ANSI/BHMA standards. Closers have full spring adjustment from sizes 1-6 and are pre-adjusted to size 3.
Specifications DC-851/831 • Grade 1 certified, ANSI/BHMA A156.4 • UL listed compliant UL10C for positive pressure • Multi-size springs 1-6 adjustable power ADA compliant • Three independent regulating valves- adjustable control sweep, latch and backcheck cushion • DC-851 standard series • DC-831 slimline series • Non handed • Full plastic cover • Warranty: 25 years • Finish: AL, DU