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  Model RRSG - Extra Heavy Duty Grille with Steel Perforated Face Plate(s)  
       
 
Standard Features
  • RRSG-1...Face Plate: 12 GA C.R.S. perforated face with 5/32" diameter holes on 7/32" staggered centers
  • RRSG-2 with Secondary Face Plate: 14 GA C.R.S. mated and spot welded to 12 GA face plate (see above) for overall 3/16" thickness steel face plate
  • Sleeve: 12 GA steel sleeve with continuous welds to face plate (specify length)
  • Locking Angles: Two pieces 1" x 1" x 3/16" (shipped loose for field installation)

Finish

  • Standard: White Powder Coat Finish
  • Optional: Rust Inhibiting Prime Coat. Consult factory for other finishes
Optional Features
  • Material Gauges: sleeve - 3/16", 10 GA
    locking angle - 1/8", 1/4"
  • Material: Stainless Steel, Aluminum, or Galvanized (consult factory for availability)
  • Security Bars: 1/2" x 1" flat steel (max 6" ctrs.)
    (other sizes available)
  • Opposed Blade Damper: front or rear operated
  • Anchoring Studs: Nelson-Type for poured concrete/brick wall applications
  • Locking Angle Frame: 1" x 1" x 3/16" welded one piece steel angle (shipped loose for field installation). Other sizes available - consult factory.
  • Adapter: square to round (shipped loose)
Construction

The steel face plate(s) are continuously welded to the sleeve. The locking angles (or optional locking frame) are shipped loose for field installation. Optional steel security bars are welded behind the face plate on maximum 6" centers. The optional damper is welded inside the sleeve and operated from the front or rear of the unit.

Installation

The RRSG-1 and RRSG-2 are installed in risk resistant ceiling and sidewall applications to be built into a wall (either poured concrete or concrete block) during construction, in order for the unit to become an integral part of the wall. The locking angles (or optional locking frame) are field welded to the sleeve on the opposite side of the wall preventing removal of the RRSG grille.
 
Installation Overview
and
Tamperproof Screws

     
     
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
       
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