Product Description
99ALK 4FT US28 Von Duprin 99 Series ALK Surface Vertical Rod Exit Device Satin Aluminum
The 99ALK 4FT US28 is a Von Duprin 99 Series Rim exit device in Satin Aluminum (US28/628), sized for 4' doors. Alarm Kit — audible alarm sounds when the exit device is activated. Deters unauthorized egress. No cylinder required.
ANSI/BHMA A156.3 Grade 1 certified. Hex key dogging standard. Field reversible handing.
Pro-Tip from Our Locksmiths: The 99 series rim exit device is your fastest retrofit option. It mounts entirely on the inside surface of the door with no door prep required. On apartment buildings and rental properties where you can't modify the door, specify a rim device.
| Specifications | |
|---|---|
| Part Number | 99ALK 4FT US28 |
| Brand | Von Duprin (Allegion) |
| Series | Von Duprin 99 |
| Function | Alarm Kit |
| Grade | ANSI/BHMA A156.3 Grade 1 |
| Mount Type | Rim (horizontal latch bolt — strikes into frame on lock side) |
| Finish | Satin Aluminum (US28/628) |
| Door Size | 4 Foot |
| Cylinder | No cylinder required |
| Fire Rating | Non Fire Rated |
- Von Duprin 99 Series touch bar mechanism — Grade 1 architectural-grade panic hardware
- Rim (horizontal latch bolt — strikes into frame on lock side)
- Satin Aluminum finish
- Hex key dogging standard — hold latch retracted during business hours
Ships Same Day — Order before 2PM EST and your Von Duprin product ships the same business day. Lock Depot is an authorized Von Duprin distributor — every product includes the full manufacturer warranty. Need help? Call (877) 365-5625.
Image shown is representative of the product line. Actual finish, trim, and configuration may vary by SKU.
