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Moduflex® Model 640 Technical Data
OPERATING FEATURES
Operation Electrically Operated
Panel Configuration & Stacking Continuously-hinged, center stack, straight line runs

Sound Transmission Class (STC) & Appx Panel Weights
  • STC 52 Steel Faced Panels, 8.1 Lbs/Ft2 (39.5 Kg/m2)
  • STC 52 Gypsum or MDF Faced Panels, 7.5 Lbs/Ft2 (36.6 Kg/m2)
  • STC 49 Steel Faced Panels, 7.3 Lb/Ft2 (35.6 Kg/m2)
  • STC 49 Gypsum or MDF Faced Panels, 6.6 Lb/Ft2 (32.2 Kg/m2)
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    Top Seals Continuous contact extruded vinyl sweepseals standard
    Bottom Seals 2 1/2" (64mm) floating self compensating seals standard; clearance-type automatically actuated seals and continuous contact extruded vinyl sweepseals optional
    Final Closure Available with hinged half panel, offset jamb and seal through pocket door closures
    Panel Thickness 4 1/4" (108mm)

    Framing & Substrate

    		 Standard MDF faces machine bonded to heavy duty steel-gusseted inner frames and reinforced with full height protective formed steel framing astragals on both vertical edges of all panels

    Support

    		 Gusseted, welded and reinforced top frame carrier bolt support
    Track & Carriers
  • Type 8 Pre-Programmed™ heavy-duty white aluminum track with quiet, smooth rolling steel ball bearing carriers with steel wheels
  • Type 5 Pre-Programmed™ 7 gauge high-yield steel track with smooth rolling radial-type steel ball-bearing wheels
  • Click here for track assembly details
    		•
    Maximum Ceiling Height 24' 3" (7391mm)
    Maximum Opening Width 135' (41148mm) Single opening; 270' (82296mm) Joining opening
    Panel Edges Protective edge of face trim and bronze finish deep nesting universally interlocking panel edges made of steel for extra impact strength and fire resistance
    Surfacing Materials Wide selection of standard vinyls, fabrics, carpets, wood veneers and laminates, or a material of your own
    OTHER FEATURES
    Fire Ratings Non-combustible panel construction with Class "A" flame spread rating. Click here for Flame Spread Test Data
    Eco-Friendly Product Helps projects achieve LEED certification points. Click here for Panelfold's Environmental Sustainability Report
    Pass Doors Single pass doors are of the same thickness and acoustical construction as the panels in which they reside, and may be specified with self-illuminated exit signs, Autoclosers™, key locks, push plates, panic hardware and windows
    Pocket Doors 3-Section and Double w/ Slot Closure pocket doors available. Click here for Pocket Doors Technical Brief
    Other Options
  • Full and partial height chalkboard, markerboard, projection and tackable cork work-surfaces
  • Full and partial height windows glazed with Lexan, Plexiglass, or unglazed
  • Joining and intersecting walls
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    Other Information
  • Click here for everything you wanted to hear about sound but were afraid to ask
  • Click here for Track Deflection Allowance data
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