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Bilco DSH-4848 Type DSH - Double Leaf Automatic Smoke Vent - 48" x 48" - Galvanized Steel Covers and Curb
 

Bilco DSH-4848

Bilco DSH-4848 Type DSH - Double Leaf Automatic Smoke Vent - 48" x 48" - Galvanized Steel Covers and Curb

 
Manufacturer: Bilco
Price: $4,033.08
 
 
 
 
 
 
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Standard - ships in 10-15 business days.
 
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Type DSH-4848 - Double Leaf Automatic Smoke Vent - 48"W x 48"L - Galvanized Steel Covers and Curb

    Standard Features and Benefits:
    • Aid Firefighters in bringing a fire under control by removing smoke, heat and gasses from a burning building
    • Type DSH double leaf smoke vents are the most economical way to add fire venting protect in large areas such as warehouses or manufacturing facilities
    • Thermolatch® II positive hold/release mechanism ensures reliable vent operation when a fire occurs. Automatically releases vent covers upon the melting of a UL-listed 165°F (74°C) fusible link. The curb-mounted fusible link housing allows the latch to be quickly and easily reset from the roof level.
    • Engineered with powerful gas spring operators to open covers in snow and wind conditions
    • Gas springs have integral dampers to assure the covers open at a controlled rate
    • Fully insulated and gasketed for weather-tightness
    • Constructed with corrosion resistant materials to provide many years of trouble free, dependable service
    • Available in a number of standard UL listed sizes

    Specifications:
    • Frame opening: 48"W x 48"L.
    • Material: Steel - Cover and frame are 14 gauge (2 mm) G-90 paint bond galvanized steel.
    • Covers: Brakeformed, hollow-metal design with 1" (25 mm) concealed fiberglass insulation, 3" (76mm) beaded, overlapping flange, fully welded at corners, and internally reinforced for 40 psf (195 kg/m2) live load.
    • Curb: 12" (305mm) in height with integral capflashing, 1" (25 mm) fiberboard insulation, fully welded at corners, and 3-1/2" (89mm) mounting flange with 7/16" holes (11mm) provided for securing frame to the roof deck.
    • Gasket: Extruded EPDM rubber gasket permanently adhered to the curb.
    • Hinges: Heavy-duty pintle hinges with 3/8" (9 mm) type 316 stainless steel hinge pins.
    • Latch: Positive hold/release mechanism controlled by a single UL-listed 165°F (74°C) fusible link with a separate latching point for each cover. Designed to hold the covers closed against a 90 psf (438kg/m2) wind uplift force. Provided with interior and exterior pull release cables to manually open vent covers.
    • Operation: When released, high performance gas springs open covers against a 10 psf (49kg/m2) snow/wind load and lock covers in the open position. Gas springs have integral dampers to assure a controlled rate of cover opening and have a cyclic durability of 50,000 cycles.
    • Performance Ratings: UL-listed. Comply with UL 793 and UL 790 Class A (burning brand test).
    • Finish: Steel - Alkyd base red oxide primer.
    • Hardware: Gas springs have a powder coated outer tube and chromate plated inner rod. All other hardware is zinc plated/chromate sealed or galvanized





Questions and Answers
Q: What other fusible link ratings are available for this unit
A: thanks you for the question and all available fusible links for this unit can be reviewed here:

Click Here

Is there a follow up question that we can perhaps attempt to answer? We take pride in our technical expertise so don't hesitate to ask.

Please reply to this email or contact our sales department here:

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if we can assist you by answering further questions or with entering this order and please let us know if there is anything else we can help with.

Q: Does this product have a UL or Warnock-Hersey listing?
A: This item is indeed UL Listed:

Performance Ratings:

UL-listed. Comply with UL 793 and UL 790 Class A (burning brand test).

Q: Please tell me which lifting mechanism is necessary for the Serial 50069997?
A: Sure thing - you want the Bilco RPRS180 Replacement 180lb Lifting Mechanisms for Roof Scuttle as seen here:

Click Here

And your original unit featured a total of six of these lifting mechanisms.

(Required, used to email you once question is answered.)
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