von duprin operational force

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The 5 pound force requirement is in reference to the maximum force to swing the door, not the maximum force allowed to unlatch the exit device.  Maximum allowed force to retract the Von D...
Any LCN Closer that ends in the number 1, will meet ADA 5 lbs opening forces.
The holding force on an SE/ME Series door closer is approximately 35 lbs. and they can be manually pulled out of hold open with approximately 35 lbs of force.