The 428 is a single-acting, center-hung floor closer designed for standard glass door installation for full-glass interior or exterior doors weighing up to 325lbs.
Features
Single acting, handed
Exterior or interior doors
Full glass doors
Available non-hold open (N) or selective hold open (S) at same degree as dead stop
Built-in positive dead stop prevents doors from swinging beyond the desired opening degree; specify 85°, 90°, 95° or 105°
Top and bottom patch fittings for tempered glass doors (3/8" - 1/2" thick)
Separate and independent valves for closing speed, latch speed, and backcheck
Cycolac, rust-proof cement case
Floor plate standard (for threshold application an extended spindle is required)
Frame stop required at header on lock side
605, 629 and 630 finishes only
Door sizes up to 3'2" × 8'0"
Door weight up to 325lbs.
Benefits
Heavy duty closer constructed with robust materials and internal components for long life and consistent operation
Aesthetically appealing way to support and control the door
Heavy-duty hardened one-piece steel spindle designed to provide positive dead stop
Built-in positive dead stop prevents door from swinging beyond the desired opening degree
Concealment in-floor provides vandal resistance
Multiple valves provide precision adjustment and enhanced control