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Фрагмент инструкции
It is qualified to be mounted vertically and horizontally. This model carries a 1 1/2 hour UL fire damper label. UL555 classifies static rated fire dampers for use in HVAC systems that are automatically shut down in the event of fire. Ratings Temperature: 165° F (74°C) Standard Construction Frame/Sleeve: 20 ga. (1mm) galvanized steel Blade: 20 ga. (1mm) galvanized steel Closure Device: 165°F (82°C) Fusible Link Axle: 1/2 in. (6mm) dia. plated steel. Bearing: Stainless Steel sleeve type Size Limitations Minimum size: 4 in. (102mm) diameter Maximum size: 24 in. (610mm) diameter Features: • Stainless steel closure springs • Fusible links - 165°F (74°C) standard; 212°F (100°C) and 286°F (141°C) available • Can be mounted horizontally or vertically • Only one retainer plate required (one retainer plate supplied with damper) • Additional retainer plate available • 14 ga. (2mm) or 16 ga. (1.5mm) frame/sleeve Static Rated Round Fire Dampers 11/2 Hour Fire Resistance Rating Model FDR-510 meets the requirements for fire dampers established by: National Fire Protection Association (NFPA Standards 80, 90A & 101) Underwriters Laboratories Standard 555 (Listing #R-13317) IBC International Building Codes US = Nominal size Installation instructions available at Copyright ©2008 Greenheck Fan Corporation FDR-510 Rev. 6 Aug 2008 P.O. Box 410 • Schofield, Wl 54476-0410 • 715.359.6171 • grmnheck.com...