The 800 S doors automatically lock in the closed position. Q-Fold 800 S doors provide a truly formidable physical barrier to unauthorized entry or exit. Grille doors have large diameter steel bars. The 800 S doors have opening and closing times of 5.5 to 15.5 seconds depending on door width. The fast cycle time also reduces heat loss.
Safe operation is always important.
The Q-Fold 800 S pneumatic safety edges will instantly reverse the door to the open position when the leading edge contacts an obstruction. Dependability is the watchword for any public safety installation. The Q-Fold 800 S will deliver years of dependable service. The heart of the 800 S is the opener. Built to withstand the rigors of high cycle operation.