 FEATURES / OPTIONS /
SPECIFICATIONS
Features (Continued)
Adjusta-Power-Shoe: supplied as standard
for a 15% (±7-1/2%) power adjustment by relocating the forearm at the shoe, for all
regular arm and top jamb non-hold-open closers, only.
Hold-Open Arm: Closer has adjustable hold-
open feature (90° to 180°). This arm is non-handed. Order by suffixing
"H" to the Catalog Number.
Fusible-Link Hold-Open Arm: Adjustable
hold-open arm (90° to 180°) available for fire door applications. The heat of a fire
causes the fusible-link to melt, and releases the door from Hold-Open. The fusible-link
has a melting point of 125°F (52°C). These arms are handed, specify hand of door on the
order. Order by suffixing "HFL" to the Catalog Number.
Parallel Rigid Arm: Closer supplied with a
heavy-duty rigid forearm for applications where heavy traffic, and heavy use are
anticipated. Order by prefixing "PR" to the Catalog Number. The
Non-Hold-Open Parallel Rigid arm is non-handed. Also available in Hold-Open and
Fusible-Link Hold-Open, which are handed. Order by suffixing "H" or
"HFL" to the Catalog Number.
Slide Track Closers: Where a subtle, less
obtrusive appearance is desired, Series 8300/8500 door closers are available with a single
slider arm and track. They are available with either non-hold-open or selectable hold-open
function. For details, see pages 12 & 13.
Special Feature Closer
Adjustable Delayed Action Closing: An
optional hydraulic feature that adds a third speed range to the closing control cycie is
available in addition to backcheck cushioning 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.
For more specific data concerning function and use of the
Adjustable Delayed Closing feature, refer to page 14.
Control Options
The Series 8000 door closer is the basic door control
component for the following Norton controls:
Unitrol® Door Controls
- Series UNI-8000 Parallel Arm
- Series UNI-J8000 Top Jamb Refer to Catalog Section
Unitrol for details.
CloserPlus
- Series CLP-8000 Non-Hold-Open
- Series CLP-8000-T/K Hold-Open Refer to
Catalog Section CloserPlus for details.
Power Track Electromechanical Closer-Holder with
Single-Point Hold Open
- Series 8300PT/PTD
- Series 8400PT/PTD
- Series 8500PT/PTD Refer to the Catalog
Section Power Track for details.
ANSI/BHMA/ Federal Specs
Norton Series 8000 door closers are listed in the National
Builders Hardware Manufacturers Association's "Directory of Certified Door
Closers" as complying with the Grade 1 specifications of ANSI standard A156.4
"for door controls-closers." For a cross reference of Norton Series 8000 Door
Closers to ANSI/BHMA/Federal FF-H-121D or FF-H-121C Specifications see the Specification
Comparison Chart in the General information Section of this Catalog.
U.L. Listing
All Norton Series 8000 Door Closers listed in this Catalog
Section with non-hold-open arms or hold-open arms with fusible-link release feature are
listed by Underwriters' Laboratories, Inc. for use on self closing labeled fire doors.
Suggested Specification
Closer for _______________ interior (and) exterior doors
shall be full rack-and-pinion type with cast aluminum alloy shell. Closer shall be
surface-mounted and shall project no more than 2-1/8" from the surface of the door.
Closer shall be non-handed to permit installation on doors of either hand. Hydraulic fluid
shall be non-gumming, and non-freezing. Closer shall have two non-critical valves,
hex-key-adjusted to independently regulate sweep and latch speed. (Closer shall have
backcheck cushioning controlled by a hex-key-adjusted valve.) (Closer shall have delayed
action closing controlled by a hex-key-adjusted valve and shall have a pressure relief
valve in the hydraulic circuit to prevent damage to door or hardware when the door is
forced through the closing cycle.) (Closer shall have power adjustment to permit a 50%
increase in power over the minimum closing force for any size.) Regular Arm and Top Jamb
closers shall have a non-hold-open shoe permitting a 15% (±7-1/2%) power adjustment.
(Closer to have a telescoping arm, slide and track.) (Closer shall be enclosed in a molded
Slim Style cover.) (Closer shall be enclosed in a molded Full cover.) (Closer shall be
enclosed in a metal Full cover plated with a ______________ finish.) (Closer shall be
enclosed in a metal full cover laminated with an unfinished ______________ wood grain.)
Closers to be Norton Series 8000, 8200, 8400, 8400M or 8400W Basic Feature closer: 8100,
8300, 8500, 8500M or 8500W Full Feature closer: 8300ST/8500ST or PS8300ST/PS8500ST Slide
Track Closers.
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