While the locking bolt is retained, the key cannot turn the lock; thus, the key is always held in the lock whenever the two parts are separated. When the door is properly closed, the socket latch pins release the concealed latch pins. This releases the locking bolt. The operating key can now be turned to extend the locking bolt into the latching block. After the locking bolt is extended, the operating key may be removed.

OPTIONS
• Multi-Cylinder - up to 5 cylinders available.
• Stamp Key Interchange - specify an alphanumeric code to be stamped on the cylinder face and the key (e.g. A1, A2, B1, etc). See Data Sheets 3.4 and 4.1 for details.
• Key Removable -The key in the first cylinder (i.e. closest to the latch block) is normally removable when the locking bolt is in the extended position. For multi-cylinder type D interlocks, please specify the key removable position of the other cylinder(s).
• Housing - Machined brass bar stock. Also available in stainless steel by special order - please contact Kirk Key for pricing and availability.
• Auxiliary Switches - Type K Switch | Type S Switches
• Dust Covers
• Mounting Bolts
• "Opposite Hand"

NOTE: You do not need to specify a locking bolt length when ordering Type D - standard length applies for all Type D interlocks.

For Type D Interlock Specification Data Sheet Click Here
For Type D Interlock Drawings Click Here

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