Dorma RTS88-105-HO-3 Barrier-Free Overhead Concealed Door Closer Body for Interior Doors - Meets ADA Requirements and Designed to Fit into Headers 1-3/4 Inches x 4 Inches

Compact closer body is designed to fit into headers as small as 1-3/4" 4". Closer body is non-handed. One closer for both single-acting or double-acting doors. Accommodates maximum door weight of 250 lb (interior) or 200 lb (exterior), including all hardware. A pressure relief valve protects closer from damage caused by forced closing. An integral cushion limits door swing to 105. An auxiliary stop must always be installed in conjunction with RTS88. A mechanical backcheck slows down the door prior to contact with the cushion. Closing speeds are controlled by two non-critical adjustment valves. Sweep area is from 105 to 20. Latch area is from 20 to 0. Thermostatic valves insure constant closing speeds under varying temperatures. Single point mechanical hold open at 105. The RTS88 offers a cast-iron body along with heavy-duty ball bearings at the spindle. Steel cam and roller assembly is coupled to dual steel pistons.

• Dorma RTS88-105-HO-3 Overhead concealed door closer body - barrier-free. Meets ADA requirements of 5 lbs.of force for opening interior doors
• Fits headers as small as 1-3/4 inches by 4 inches for frames that are aluminum - but is also adaptable to hollow metal frames and wood. Closer body is non-handed
• One closer for both double-acting or single-acting interior or exterior doors with 105 degree swing and hold open. Pressure relief valve protects closer from abuse due to forced closing
• Accommodates maximum door weight of 200 lbs (exterior) or 250 lbs (interior) including all hardware. Maximum interior door width up to 3 feet - Sweep area from 105 degrees to 20 degrees - latch area is from 20 degrees to 0 degrees
• Adjust two non-critical valves to control closing speed - Thermostatic valves insure constant closing speeds due to temperature variations - mechanical backcheck slows door prior to cushion contact