is there lead lined cylindrical lever sets?

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Lead lining is not needed, since the channel or through bolt is solid and the x-rays will not penetrate the solid metal.
Ives does not offer any lead lined pivots.  An appropriate model of pivot would be determined by the weight of the door and where the lead lining is in the door.  Because ...
Ives does not offer a continuous hinge designed specifically for lead lined doors.  Standard hinges may work if the hinge and mounting hardware do not penetrate the lead lining in the door.&nb...
The door template L1 states: "Lead Lining: When L9000-Series or L400-Series locks are ordered with lead lining, add 1/8" to the width of the mortise cut-out on the lock case cover side of installa...