- BHMA Grade 1
- Rim, surface vertical rod, mortise
- Heavy and maximum duty
- Fits 28 – 48 in doors, field-sizable
- 3 h fire-rated versions
- Non-handed, lever / pull / key trims
Single door or pair
| Type | Doors | Duty | Notes |
|---|---|---|---|
| Rim | Single doors; pairs with mullion | Heavy / maximum | Latch on the door edge, surface strike |
| Surface vertical rod | Pairs without mullion | Heavy / maximum | Top and bottom rods latch into head and floor |
| Mortise lock | Single doors | Maximum | Mortise lock body – strongest, most functions |
Stainless steel latch bolts with ⅝ in throw, adjustable strikes and non-handed design simplify installation on new and retrofit doors. Exit trims – lever, pull, key-retract or dummy – provide entry from the outside.
Code first
Exit devices are life-safety hardware. Doors on escape routes must open with one push, without a key or special knowledge; on fire doors the device must be fire-rated (fire exit hardware, no dogging). We select devices from the egress and fire schedule of your drawings.
Normes et exigences par marché
Les codes selon lesquels World Steel conçoit, fabrique et documente ce produit – et les principales exigences géométriques et de charge sur chaque marché.
États-Unis
- ANSI/BHMA A156.3Exit devices
- NFPA 80 · UL 10CHardware on fire doors
- ICC A117.1 / ADAAccessible operating hardware
- NFPA 101Life safety code – egress hardware
Australie / NZ
- AS 1905.1Hardware on fire-resistant doorsets
- NCC D3Egress – door hardware on exits
Europe
- EN 1125Panic exit devices with push bar
- EN 179Emergency exit devices
- CE marking
- EN 1125 for public escape routes
Synthèse fournie à titre indicatif – le cahier des charges du projet, l'édition du code adoptée et l'autorité compétente prévalent.
Finitions
| Finition | Normes / remarques |
|---|---|
| Finishes | US32D satin stainless, AL aluminium, US26D by series |
| Keying | Keyed different, keyed alike, master and grand master, construction master; 6-pin C-keyway, popular keyways and small-format interchangeable core (SFIC) |
Questions fréquentes
Rim or vertical rod for a pair of doors?
With a removable mullion use two rim devices; without a mullion use surface vertical rod devices that latch top and bottom.








