Falcon MA531L SG Apartment Corridor Mortise Lock, Less conventional cylinder

Falcon MA531L SG Apartment Corridor Mortise Lock, w/ Sutro Lever and Gala Rose, Less conventional cylinder

Functions: MA531 ANSI No: F12/F20 - Apartment corridor lock
Latch bolt operated by knob/lever from either side, except when outside knob/lever is made inoperative by buttons in face.
Dead bolt operated by key outside or turn inside. Key outside operates both bolts.
Operating inside knob/lever retracts both bolts and outside remains locked. Latch bolt is deadlocked when outside
knob/lever is made inoperative or when the dead bolt is projected. When dead bolt is retracted, knob/lever is unlocked
by buttons in face. Inside knob/lever always free for immediate egress.

Product specifications

ANSI/BHMA: Certified ANSI/BHMA 156.13, Series 1000, Grade 1. UL: Listed 3-hour fire door, A label.

UL: Listed 3-hour fire door, A label.

Door thickness: Standard offering only accepts door thicknesses of 1 3⁄4" - 1 7⁄8".

Backset: 2 3⁄4" only.

Case: Cold formed steel, zinc dichromate plated, .090” thick. Optional lead wrapping available.

Hubs: Hardened steel.

Handing: Right hand is standard; left hand optional. Reversible in the field.

Cylinders: Less conventional cylinder

Bind resistant trim: Heavy-duty through-bolted inserts clamp the trim on the door assuring proper alignment.
Provided with 8-32 screws for strength and thread sealant to prevent loosening.

Latch bolt: Two-piece stainless steel, mechanical anti-friction bolt. 3⁄4" projection.

Dead bolt: 1" throw, stainless steel with two 3⁄16" diameter hardened steel, free-turning, saw-resistant roller.

Faceplates: (armored front) 11⁄4" x 8" brass or stainless steel adjustable for door bevel. Reinforced by heavy gauge
steel with stabilizing ribs.

Strike: Brass or stainless steel. Meets ANSI AII5.1 for frame preparation. Strike is non-handed.