SCR /SCP4400 SERIES FEATURES
Multi-Size Power: The closer spring
assembly can be adjusted through a wide power range. A high shouldered adjustment nut
accepts a standard 11-16'' socket or wrench
Two Power Ranges; Each series can be
adjusted through a range of sizes: 4400 Series Normal Power Range Closers, sizes 2 thru 6;
Series 4400BF Series Accessibility Code Closers, sizes 1 thru 4.
Rack & Pinion Operation: Provides a
smooth transmission of power for control of the door though its full opening and closing
cycle,.
Adjustable Sweep Speed: An independent
regulating valve, hex-key-operated, permits adjustment of the general closing speed.
Adjustable Latch Speed: An independent
regulating valve, hex-key-operated, permits adjustment of the door's speed for
approximately the last 5 ° of the closing cycle.
Adjustable Backcheck Cushioning: An
independent regulating valve, hex-key-operated provides an adjustable hydraulic cushion to
the door opening speed toward the end of the opening cycle.
Adjustable Backcheck Positioning: An
independent regulating valve, hex-key-operated allows adjustment of the point, in the
door's opening cycle, at which backcheck cushioning takes effect. It provides a range of
20° within which backcheck can be set. The exact range is dependent upon the arm
application and templated position of the closer.
Non-Critical Valves: All control valves
for sweep speed/latch speed and backcheck control are non-critical and are adjusted by a
standard 1/8'' hex-key.
Security Arms: Main arm is 3/8'' thick
heavy steel stamping with a rectangular cross section. Material is 1-1/8'' wide with each
end flared to 1-3/8''. 11'' center to center length.
Secondary arm is 5/16'' thick heavy steel stamping a
rectangular cross section. Material is 1'' wide with each end flared to 1-3/8''.
Joints feature permanent, orbital riveted elbow and arm
shoe/soffit plate joints which prevent disassembly. All joints pivot on large 5/8''
diameter stud shafts. The round, low profile, orbital rivet head deters removal with
ordinary hand tool. Oilite bronze bushings are pressed into the bearing surface are as at
the arm shoe or soffit plate joint and at the elbow joint to reduce frictional load and
prevent wear.
Holder-Stop arm also available.
Door Stop: Steel arm detent riveted to the soffit plate,
permits a door swing to within 2 ° of nominal template opening.
Thumbturn Operated Hold-Open: Thumbturn actuated mechanism
to engage/disengage optional hold-open. Hex-key control provides a deterrent to
unauthorized actuation of the hold-open mechanism Suffix ''K'' to the catalog number.
Security Cover: Extruded heavy duty metal
cover fastens with 4 security mounting screws Cover is handed.
Security Attachments: All fasteners are
lobular drive TORX screws with center security pin.
Closer Body and Arm Assembly are Non-Handed
Closer Adjustment Decal: A decal is
permanently affixed to the inside of the closer cover. The decal fully details all closer
adjustments.
Warranty
The SCR/SCP4400 Series Door Closer is backed by a 10- year
limited warranty. The aluminum shell is warranted for the lifetime of the building in
which it is originally installed.
Special Feature Closers
Adjustable Delayed Action Closing: An
optional hydraulic feature that adds a third speed range to the closing control cycle.
This feature becomes effective when the door is opened and released at any point beyond
70°. This delayed closing enables traffic to clear the opening before the normal closing
cycle starts. This feature is advantageous to the handicapped and elderly. It is also
valuable for wheeled or other traffic where delayed closing is desirable. Backcheck
cushioning and backcheck positioning are standard with all closers including closers with
Adjustable Delayed Action Closing.
Order SCR4400/SCP4400DL.
Enhanced Backcheck (EBC):Initiates
backcheck at 15° instead of the normal 72°. This
optional feature is especially useful in prison installations where the door presents a
potential threat for bodily injury. The intensity of enhanced backcheck is fully
adjustable. It is available in place of the standard adjustable backcheck and backcheck
position features. Order SCR4400EBC/SCP4400EBC.
Mounting Plate No 478: Available for a
narrow top rail. Attachments are TORX head screws. |
