We use cookies to customize your experience on our site. Read more about cookies here.

I accept cookies

STEP 21

STEP 21 - an automatic flush bolt

Automatic flush bolt STEP 21 has a unique construction to facilitate opening and closing of pairdoors

STEP 21 Automatic flush bolt is developed to unlock the passive door even if the flush bolt is pressed against the doorframe from an underpressure in the building or from the door header gasket. At the same way the flush bolt is designed to unlock the passive door even into the door is pressed by high force during a panic situation.

Secure locking

STEP 21 Automatic flush bolt is of heavy duty construction to withstand any burglary attempt and also withstand forces which occur by overpressure during a fire.

Automatic flush bolt for pairdoors

STEP 21 Automatic flush bolt is used for pairdoors and is made to automatically lock the passive door each time the active door closes. On the contrarily the flush bolt is also made to automatically unlock the passive door each time the active door opens.

Article no. Description
STEP 21STEP 21 adapted for wooden doors/steel doors
STEP 21DHSTEP 21 adapted for Daloc doors, right hung
STEP 21DVSTEP 21 adapted for Daloc doors, left hung
STEP 21R-HSTEP 21 adapted for Robust doors, right hung
STEP 21R-VSTEP 21 adapted for Robust doors, left hung
STEP 22STEP 22 adapted for aluminium doors
ST953-1Striker for STEP 21 and STEP 22
ST953-2Sliding plate for STEP 21 and STEP 22