General
Information & Features
The 25 Series
knob lockset is designed for use in heavy duty commercial and industrial
applications.
CERTIFICATIONS
ANSI
A156.2, 1996 Series 4000, Grade 1. UL-Listed for use on fire doors
having a
rating up
to and including three hours.
KNOBS
Heavy,
cold-forged steel provides superior strength and durability. Features 2
1/4"
(57 mm)
diameter with .062" steel reinforcement to resist crushing and withstand
more
abuse.
ROSES
Adjustable
both sides, cold-forged steel reinforced 2 3/4" (70 mm) diameter easily
adjusts
for door thickness.
LATCHES
& STRIKES
Latch: Backset 2 3/4" (70 mm), Front 1
1/8" x 2 1/4" (29 mm x 57 mm),
Throw
9/16" (14 mm)
Strike: 4 7/8" (124 mm) ANSI curved lip
DOOR
THICKNESS
1 5/8"
to 2" (41 mm to 51 mm), Standard
LOCK
MECHANISM
Cast
stainless steel retractor with bronze roller bearings provides high strength,
smooth
operation, and long life durability.