UL Listed ANSI Fireproof Apartment Corridor Door Lock

UL Listed ANSI Fireproof Apartment Corridor Door Lock - DDAL20 Product Overview D&D HARDWARE’s UL Listed ANSI Fireproof Apartment Corridor Door Lock (Model: DDAL20) is a premium door lockset engineered for entrance, apartment, and dormitory applications. Meeting ANSI/BHMA A156.13-2005 Grade 1 and UL fire safety standards (UL10C, 3-hour fire resistance), this lock features a latchbolt operable by knob/lever from either side (unless the outside lever is locked via push button rocker). The deadbolt is projected by key from outside and locked by thumbturn, with simultaneous retraction of deadbolt and latchbolt via internal key/knob/lever operation. An auxiliary latch deadlocks the latchbolt when closed, and the inside lever remains free for immediate egress—ensuring security and safety. Constructed from durable stainless steel, it integrates seamlessly with D&D’s stainless steel door handles, door closers, and panic exit devices, delivering reliability for B2B buyers like multi-fa…

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