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. Compact closer body and cement case 2-3/8" deep suited for thin slab concrete construction. . Accommodates doors weighing up to 660 lb and 4'-6" wide interior and 4'-0" exterior. . Closer adjustment in cement case provides lateral and longitudinal adjustment of 1/4" and height adjustment of 5/32". . A pressure relief valve protects closer from damage caused by forced closing. . Optional sealing compound SC2 prevents water or cleaning solvent from entering the cement case. . If door hardware or adjacent structures interfere with maximum opening, an auxiliary stop should be installed. . Closer body is non-handed. . Mechanical backcheck at approximately 70? (excluding size 3, where backcheck is removed to meet barrier-free through 90? of opening for easier passage). . Selectable delayed action between 175? and 75?. Extends the closing cycle to allow unobstructed passage. . Delayed action is functional when hold open is not engaged. . Dual thermostatic control valves combined with special hydraulic fluid provide controlled closing from 175?. . Selectable multipoint hold open between approximately 75? and 175?. . Adjustment for start of hold open range or when delayed action releases. Adjustable between 75? and 105?.

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