CURTAIN: Is constructed of extruded aluminum. "Alloy 6063" flat faced Midget Stats. Width of slats 1-15/16". Depth of crown
3/8". The tubular bottom bar is provided with double vinyl astragal.
BARREL: The curtain is coiled around a steel tubing at least 4" in diameter. The counter
balancing unit is fully enclosed and rotates on grease sealed bal bearings.
COUNTER BALANCE: Consists of oil tempered torsion springs.
Doors up to 12'0" wide are push-up operated with finger lifts mounted on the bottom bar. Doors over 12'0" wide are operated by a hand crank with a removable operating arm. This eliminates the need for a crank box at counter elevation or (Motor operated.)
GUIDES: Are fabricated from aluminum extruded shapes. "Alloy 6063" and fitted with wool pile stripping.
The curtain's bottom bar includes a concealed sliding bolt deadlock operated by a thumb knob. Or (cylinder lock) - operable from either or both sides of opening - is also available. Call for details or specify requirements.
HOOD: An aluminum hood of .040" minimum thickness is furnished to encase curtain roll when necessary.
FINISH: The curtain, bottom bar, guides
and hood are all given a 204-R1 anodized finish.
All other parts are given a shop coat of aluminum paint. (Color anodized finish also available.)
GENERAL: All doors are constructed in accordance with Underwriter's Laboratories
specifications and shall bear a Class________label. (Note: Select U.I. Class Label required.)
CURTAINS: Is formed of 20 gauge Galvanized Steel or 22 gauge Stainless Steel flat-faced Midget Slats. Slat width: 1-1/4". Depth of crown 1/2". Tubular
bottom bar includes a double vinyl astragal.
COUNTER BALANCE ASSEMBLY: Is a custom engineered permanently lubricated torsion spring assembly enclosed in a
structural steel pipe of sufficient diameter and wall thickness so deflection will not exceed .03" per foot of door width. The self closing mechanism is activated by fusible links or solenoid release.
OPERATION: Choose from Manual, Hand Chain Hoist or Electric Motor Operator.
GUIDES: Are fabricated from Stainless
Steel, or Aluminum Extruded shapes fitted with wool pile strippings.
LOCKING DEVICE: The bottom bar includes a concealed sliding bolt deadlock operated by a thumb knob or (cylinder
lock,) operable from either or both sides
Optional features include 1-1/2î flat slat in
Galvanized Steel. Aluminum and Stainess Steel
of opening, can be furnished. (Specify requirements
Counter Fire Shutters hoods are formed of hot dip galvanized steel (stainless steel) or pre-coated finish to fit bracket plates.