The BS Bolt Interlock works on the principle that when the key is “free” the bolt is extended and the bolt is locked in position.
The “free” key is then placed in the Isolator Switch or Key Exchange System if part of a multi key system.
Once the key is in the Isolator Switch or Key Exchange System power can then be re-applied to the guarded area.
Only when the key is inserted into the BS Bolt Interlock can the bolt be retracted – at this point the bolt is unlocked. Whilst the bolt is retracted the key is trapped. Only when the bolt is extended can the key be released for placing back into the Isolator Switch or Key Exchange System.
Manufactured in Stainless Steel the BS Bolt Interlock is suitable for SIP and CIP cleaning processes with high pressure hosing with detergents at high temperatures.
Please note that the BS Bolt Interlock is not suitable for guard access.
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