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The Switching element with locking mechanism HST-S1 is used to switch off the power supply to the load circuits of machines or plants without shutoff delays, with rated currents up to 20A.
The key exchange station HST-W5 is normally used to safely trap keys of a machine or system. No secondary keys can be removed from the exchange station until all primary keys have been inserted and trapped.
HSV-R valve interlocks are utilised for valves actuated by hand wheels such as slide valves, gate valves or gear box operated valves.
The purpose of the HSV-KC key cabinet is to facilitate the local supervision and monitoring of valve interlock keys. Different cabinet sizes are available. Every key slot on the cabinet is individually coded and assigned one matching key only.
The guard locking device HST-TZ1 comprises a lock and slam-type locking actuator mechanism suitable for hinged doors and flaps with full-body access. Actuator position of HST-TZ2-RH on bottom side right.
HSV-Q valve interlocks are utilised for lever-actuated valves such as ball valves, shut-off valves and plug valves. All types of valves that operate with a 90° or 180° rotation can be fitted with HSV-Q valve interlocks.
HSV-AT anti-tamper locks protect against unauthorised actuation of valves, vandalism or theft. This type of technology is currently used in petrochemical, gas and water treatment plants around the world.
The purpose of the HSV-X key exchange unit is to release or trap keys according to a pre-determined sequence and in accordance to the valve interlock system requirements. The HSV-X is based on a modular installation system and can easily be expanded.
The key exchange station HST-W10 is normally used to safely trap keys of a machine or system. No secondary keys can be removed from the exchange station until all primary keys have been inserted and trapped.