COMBINATION FIRE SMOKE DAMPE​

UL 555 & UL 555S Classified combination fire smoke damper used in dynamic smoke management system and can be used in a 2 or 4 hours walls or floors . It meets NFPA 90A , UL 555 & UL 555S​

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Operation & Dynamic closure for Vertical & Horizontal mount with airflow on both sides rated:​

-Max static pressure : up to 4” W.G(1000 Pa) ​

-Max Velocity : up to 4000 FPM (20.3 m/S0​

-Operating Temp : up to 350ºF (177 ºC)​

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STANDARD CONSTRUCTION​

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FRAME​

16 gauge (1.6 mm) galvanized steel interlocking hat section channel frame construction.​

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BLADES​

16 gauge (1.6 mm) galvanized 3 “V” formed .​

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CLOSURE DEVICE.​

Electronic fusible link with closure temperature of 165 ºF(74ºC) (others available)​

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BEARINGS​

Sintered bronze, oil impregnated.​

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LINKAGE​

Plated steel in opposed blade configuration, concealed inside the jamb, Operator shaft ½ “ steel rod. ​

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FINISH​

Mill Galvanized​

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BLADE SEALS​

Extruded silicone blade seals and stainless steel jamb seals. ​

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JAMB SEALS​

300 series stainless Steel , flexible metal compression type.​

​SLEEVES​

Rectangular 18GA x 16” galvanized steel ​

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MINIMUM SIZE SINGLE SECTION ​

8” width x 6” Height​

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MAXIMUM SIZE SINGLE SECTION​

36” Width X 48 “ Height Vertical ​

36” x 36 “ Vertical /Horizontal ​

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OPTIONAL CONSTRUCTION ​

Heat sensor -212 ºF ,250ºF​

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JACK SHAFT ​

½ “ ( 12.7 MM) diameter zinc plated steel with jack shaft connector coupling​

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ACUATOR :​

Electric spring return 230 V ,120 V or 24 V and pneumatic.​

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CAULKING​

UL approved silicone sealants​

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OPTIONS​

Closure device –Fusible Link​

Bearings : Stainless Steel​

Actuator Mounting : External & internal ​

Optional Material : Stainless steel construction​

Sleeves : Round, Oval and specials. ​

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