| Product |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| Model | DDAL01 | DDAL04 | DDAL05 | DDAL06 | DDAL07 | DDAL09 | DDAL12 | DDAL13 | DDAL14 | DDAL15 | DDAL16 | DDAL17 | DDAL18 | DDAL02 / DDAL19 | DDAL20 | DDAL21 | DDAL22 | DDAL29 | DDAL30 | DDAL32 | DDAL33 | DDAL34 | DDAL35 |
| Type | Passage / Closet Latch | Entry Lock | Classroom Lock | Holdback Lock | Storeroom / Closet | Apartment / Exit / Public Toilet | Dormitory / Exit Lock | Dormitory / Exit Lock | Door Lock | Hotel Guest Lock | Dead Lock | Dead Lock | Dead Lock | Privacy / Bedroom / Bath | Apartment Corridor Door | Room Door Lock | Privacy / Bedroom / Bath | Classroom Dead Lock | Asylum / Institutional | Intruder Latch Bolt Lock | Intruder Dead Bolt Lock | Intruder Dead Bolt Lock | Store Door Lock |
| Functional Description | Latch is always free — lever retracts it from both sides at any time. No locking mechanism. Designed for corridors, closets, and areas requiring unimpeded two-way traffic. | Lever operates from both sides unless the exterior lever is disabled via a stop button or mechanical hold. When locked out, the exterior key or interior lever retracts the latch. Equipped with auxiliary dead latch for anti-shim protection. | Both levers function freely until the exterior side is secured by key from outside. Once engaged, only a key (exterior) or the interior lever releases the latch. Auxiliary dead latch included for tamper resistance. | Similar to classroom function with an added holdback feature — the latch can be locked in the retracted position by key, allowing hands-free passage. Interior lever always overrides. Auxiliary dead latch standard. | Exterior lever is permanently inoperative — entry is by key only from outside. Interior lever always retracts the latch freely. Ideal for storage areas, utility rooms, and restricted-access closets. Auxiliary dead latch fitted. | Lever works from both sides unless the exterior is locked via interior key. When exterior is secured, a key from outside or the interior lever releases the latch. Auxiliary dead latch prevents manipulation. | Lever operates freely from both sides unless exterior is disabled by stop mechanism. Deadbolt is thrown by exterior key or interior thumbturn, and retracted the same way. Interior lever retracts both bolts simultaneously while exterior remains locked. | Lever functions from both sides. Deadbolt is projected by exterior key or interior thumbturn. Activating the interior lever retracts both latch and deadbolt together and unlocks the exterior side — enabling quick egress. | Latch is lever-operated from either side at all times. Deadbolt is independently controlled by key from both exterior and interior — providing dual-layer security with unrestricted passage when deadbolt is retracted. | Exterior lever is always inoperative — guests enter by key only. Interior thumbturn projects the deadbolt for privacy. Interior lever retracts both bolts for immediate egress. Auxiliary dead latch included. | Deadbolt only — no latch bolt. Operated by key from both sides. Provides supplemental security for doors already equipped with a separate latch set, or for gates and utility access points. | Deadbolt only — key-operated from exterior, thumbturn-operated from interior. Offers convenient interior control without requiring a key, while maintaining keyed security on the outside. | Deadbolt only — key-operated from exterior side exclusively. No interior control mechanism. Suited for areas requiring one-directional keyed security such as equipment enclosures or utility panels. | Lever retracts latch from both sides. Deadbolt is engaged by interior turn and released by exterior emergency coin-turn. Interior lever retracts both bolts — ensuring occupants can always exit freely. | Lever works from both sides unless exterior is mechanically stopped. Deadbolt is controlled by exterior key or interior thumbturn. Exterior key operates both bolts. Interior lever retracts both bolts while exterior remains locked. Latch deadlocks when exterior lever is disabled or deadbolt is thrown. | Lever retracts latch from either side freely. Deadbolt is independently operated — key from exterior, thumbturn from interior. A versatile configuration for interior room doors requiring optional deadbolt security. | Lever functions from both sides unless exterior lever is locked by interior thumbturn. Unlocking occurs by operating the interior lever, closing the door, or using the exterior emergency release. No key required. | Deadbolt only — projected by exterior key. Interior turn retracts the deadbolt but cannot project it. Designed for classroom lockdown scenarios where teachers retract from inside but only authorized personnel lock from outside. | Both levers are permanently inoperative — latch is operated exclusively by key from either side. Designed for psychiatric facilities, detention areas, or any environment where lever access must be restricted to authorized key-holders only. Auxiliary dead latch fitted. | Lever works from both sides unless exterior is locked by key from either inside or outside. When secured, latch is released by key from either side or by interior lever. Provides lockdown capability from both directions. Auxiliary dead latch standard. | Lever operates from both sides unless exterior is key-locked from inside or outside. Deadbolt retracts by key from either side. Interior lever retracts both bolts and unlocks the exterior — combining intruder lockdown with emergency egress. | Lever functions from both sides unless exterior is key-secured from either direction. Deadbolt retracts by key from both sides. Interior lever retracts both bolts and frees the exterior. Auxiliary dead latch engages automatically when deadbolt is thrown. | Lever operates from both sides unless exterior is disabled by stop or mechanical means (non-key). Deadbolt is key-operated from both sides independently. Combines store-hour flexibility with after-hours deadbolt security. |
