Lock out tag out- Isolation method (key)

Isolation method: disassemble/disassemble
Open the switch
Add boards
Shut off the valve

Isolation method (key)
Electrical isolation shall be in the main power supply;
Pipeline isolation is best used plug plate, double valve plus valve emptying can also, generally can not be isolated with a single valve;
All incoming and outgoing lines must be isolated by blocking or disconnecting in the nearest place to the operation point when starting fire on the line or entering a confined space.

Key points of energy isolation 3
Release the residual energy in the device:
The electrical energy stored in a capacitor;
Energy stored in the hydraulic system;
Residual chemicals;
Potential energy stored by mechanical components in equipment;

Key points of energy isolation 4
The energy isolation implemented during the operation will not be turned on by mistake:
The quarantine that may be opened by mistake should be Lockout tagout. The label should indicate the name of the quarantine practitioner, the time of quarantine implementation and the reason for quarantine implementation;
The personnel performing the operation must attach their own locks to the isolation to prevent the isolation from being lifted by others during the operation.

Point 5 of energy isolation
Ensure that all personnel involved in the operation are in a safe position, equipment is in a safe state, and tools and materials have been cleaned:
The isolation can only be lifted after the isolation executor has inspected the site and closed the isolation certificate;