Guard locking mechanisms


The guard locking devices comprises a lock portion and a lateral locking bolt. It is used as guard locking device on hinged, sliding or removable doors and flaps. Inserting and trapping the coded key in the releases the locking bolt allowing the door to open. If the guard locking device is used to protect access to a hazard, measures are required that secure that prior to access the hazardous movements are stopped, for instance by HST-S or HST-M devices. In conjunction with other components, the guard locking device HST-TS1 is used for locking guards in precipitators, quarry machines, or power plants etc.

Warning: For applications involving a full body access area you need a version with an additional personal safety key; type HST-TS2. For more information, please contact one of our technical consultants.
Partial-body access

Partial-body access

Guard locking mechanism HST® TS1 consists of a lock and a locking bolt part and can be used on swing and sliding doors or flaps. Versions with different locking bolt positions are available. Insert the key to open the guard door or flap.
Full-body access

Full-body access

Guard locking mechanism HST® TS2 features 2 locks and is used in applications with full-body accessible area. The operator takes the second, personal key into the danger zone.
Partial-body slam-type locking

Partial-body slam-type locking

Guard locking mechanism HST® TZ1 features a flexible slam-type locking actuator mechanism and can be used without any problems on misaligned or sagging doors and flaps.
Full-body slam-type locking

Full-body slam-type locking

Guard locking mechanism HST® TZ2 features 2 locks and is used in applications with accessible area. The operator takes the second, personal key into the danger zone.