Concealed Door Closers
Note : Hydraulic backcheck function is standard function for CO-55 & 56.
CO-50/COU-50 INSTALLATION OPTIONS
In order to ensure total adaptability to the widest range of applications,
the concealed series is available with a choice of either standard or top jamb
installations. To further enhance the ranges flexibility, options such as hold
open and nonhanding for the CO-50 are also available.
EXCEPTIONAL PERFORMANCE-EXCEPTIONAL VALUE
Ryobi's technology in high quality die-casting and advanced production methods have been combined to produce a highly competitive range of performance closers. In-house tested to 500,000 cycles and incorporating precision rack and pinion mechanisms, the concealed closer range offers outstanding quality and performance at a very realistic price.
FULLY HYDRAULIC CONTROLS
Maximum control over the doors closing speed is provided by the
easy to operate hydraulic adjustment, whilst the versatile hydraulic mechanism
also allows for 1st and 2nd closing (as illustrated), ensuring a smooth and independent
control over the doors movement. The added benefit of a latching speed control
is available with the COU-50 series and CO-55,56,whilst for the heavy duty CO-55
and 56 a new,adjustable,hydraulic backcheck function is a significant feature.
NEW MECHANICAL BACKCHECK FUNCTION
Available for all models in the series, the new mechanical backcheck
(cushion check) function, features setting and adjustment in the guide rail. The
cushioned rubber absorbs the power of the door in the event of it violently swinging
open, as in the case of high winds or public misuse.
ADJUSTABLE DOOR STOP/HOLD OPEN/BACKCHECK ANGLE & HOLD OPEN FORCE
By the positioning of stopper, stop metal fitting (hold open device), and mechanical backcheck device, the door stop angle, hold open angle and backcheck angle are adjustable as required. Hold open force is also adjustable by the hold open force adjustment nut as shown in the chart.
Adjustment of door stop/hold open/backcheck
Adjustment of hold open force