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Surface Vertical Rod Exit Devices

Surface Vertical Rod (SVR) Device: This is mostly used on pairs of doors but can be used on single doors for extra security. There are top and bottom rods that go from the device to the top of the frame and to the floor. When you push the device, the rods retract releasing the rod ends from their locked position. The rods are surface mounted to the face of the door so they are exposed and can be seen from the inside of the door.

This shows a standard rim panic device on one of the doors of a pair with a surface vertical rod device on the other door. There is no frame or mullion to mount the strike plate to so a double door strike is mounted on the door with the vertical rod assembly. This door is held in place by these rods allowing the other door to lock into it the same as if it were a single door latching into the frame. You can also use a vertical rod device on both doors of the pair.

rim and surface vertical rod 

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