Norton Series 7700 Door Closures - Page 3

GENERAL INFORMATION

Available Finishes

Sprayed Finishes- All Norton Series 7700 Door Closers and Accessories are available in the following sprayed finishes. Order sprayed finishes by the Norton Symbol.

*Available at extra cost. Closers can be ordered prime coated only, i.e. (SRI), or prime coated with finish coat, i.e. (SRI) x (DB).

Plated Finishes-Series 7700M closers with steel covers are available, at extra cost, in the following plated finishes:

Plated finishes must be ordered by the Norton finish symbols listed. Where a matching of other door hardware finish is required, a sample finish chip must be submitted and approved, prior to order processing.

Wood Finishes-Series 7700W closers are available with steel covers with an unfinished wood lamination. The cover may be used unfinished, or it may be finished at the job site, along with the door and frame.

These covers are available in the following fine-grained woods:

Flat Cut Oak             White Birch

Teak                          Flat Cut Walnut

Cherry                       Honduras Mahogany

Control Options

The Series 7700 door closer is the basic door control component for the following Norton Controls:

Unitrol^® Door Controls: The Series 7700 door closer is the basic control component for the Norton UNI7700 Series Unitrol Door Controls. For catalog information on these specialized shock-absorbing controls, refer to the Unitrol Door Controls Section.

Holder-Stops: The series 7700 door closer is the basic control component for the Norton Series CLP7700 Holder-Stop. Catalog information on these controls which offer selectable hold-open and/or a positive stop can be found in the Closer Plus Section.

Power Track: The 7705 door closer is the basic control component for the 7700PT/PTD Norton Power Track electromechanical closer-holder with single-point hold-open. For information on these fire/smoke barrier door controls, see the Power Track Series Catalog Section.

U.L. Listing

All Norton Series 7700 Door Closers with non-hold-open arms or hold-open arms with fusible-link release feature are listed by Underwriters' Laboratories, Inc. for use on labeled fire doors.

ANSI/BHMA/Federal Specs

For a cross reference of Norton Series 7700 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.

Suggested Specifications

Closers 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 backcheck positioning controlled by a hex-key-adjusted valve.) (Closer shall have delayed action closing controlled by a hex-key-adjusted valve.) 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 shall be enclosed in a (molded cover) (metal cover plated with a ________ Norton finish) (metal cover laminated with an unfinished _________ wood grain). Closers to be Norton Series 7700, 7700M or 7700W.