Corbin Russwin Corbin Russwin DC6210-A1-M71 Tri-Packed Hold Open Arm w/ Delayed Action Door Closer - KAL DOOR HARDWARE

Spring Power closers: multi-sized; fully adjustable sizes 1 through 6. Body: Cast-iron case with seamless cold headed steel spring tube. Arm Standard heavy-duty forged steel. Spindle: Heat-treated steel with a crowned gear set for increased efficiency Piston: 1-3/8" diameter; Precision machined, heat-treated steel. Springs: Chrome silicon wire. Valves: Latching speed valve standard. Closing speed valve standard. Multiple backcheck location valve and backcheck intensity valve standard Delayed action valve optional. Delayed action preset for 20 seconds. Between 90 and 70 for all mountings. Seals: O rings. Fluid: Standard high lubricity extreme temperature hydraulic fluid. Hold open arm with delayed action Degree of Opening Up to full 180 opening standard for regular, top jamb and parallel arm mountings, conditions permitting. Power Adjustment Arm Bracket 15% adjustment standard Cover Standard: non-metallic full cover. Self drilling and machine screws standard. Finishes: 689 Silver Aluminum, 690 Dark Bronze Painted, 691 Light Bronze Painted and 696 Satin Brass Painted