Single Door SmokEscape™ Smoke Vent
The Nystrom Single Door SmokEscape Smoke Vent provides UL793 listed performance and is engineered with metal covers providing an emphasis on reliability and affordability. The single door configuration is ideal for factory and storage/warehouse occupancies along with hoist way and elevator shafts.
Design considerations include: total vent area required by code and application, effective vent area, and the roof structural support system.
- Greater Effective Vent Area
- Optional Louvered Curb
- UL Listed
- FM Approved
|Material||Aluminum: 11 gauge
Steel: 14 gauge galvanneal
Steel: Powder Coat, Gray
|Cover||Formed metal cover with liner internally stiffened to withstand a live load of 40psf|
|Curb||Single wall curb with EZ tab counterflash and mounting flange|
|Insulation||1 inch polyiso R-6 in cover and around curb|
|Gasket||Extruded EPDM adhesive backed gasket seal, continuous around cover|
|Hinge||Heavy-duty pintle hinge with stainless steel hinge pins|
|Springs||Gas spring with damper opens cover against 10psf snow load in not less than 2 seconds|
|Hold Open Arm||Zinc plated steel automatic hold open arm locks cover in open position|
|Latch||Zinc plated steel rotary latch designed to hold covers closed against 30psf for single doors. Opens manually by external and internal pull cables. Opens automatically with a fusible link at standard temperature 165°F.|
|Certification||UL 793 listed, optional FM 4330 approved|
|Minimum Size||18 inches by 18 inches|
|Maximum Size||48 inches by 96 inches|
Use the table below to guide specification of available options. The part number components are indicated in BOLD ORANGE text.
|A - Aluminum Curb & Cover
B - Steel Curb & Aluminum Cover
|30" x 30"
36" x 30"
36" x 36"
48" x 48"
48" x 72"
48" x 96"
|S - Single Door||1 - Single Wall
2 - Double Wall
3 - Curb Mount
|N - No Electrical
L - 24VDC/24VAC
H - 110VAC / 240VAC
|R - Rooftop Close||OP1 - Door Position Sensor
B__ - Burglar Bars/Fall Protection Screen
SFM - FM Labeled
Additional sizes and options available, call for more information.
NYSTROM warrants all Smoke Vents to be free from manufacturing defects in materials, factory finishes, and workmanship for a period of five (5) years from the date of shipment.
Should a product fail to function in normal use within this period, Nystrom shall furnish a replacement or new part at Nystrom's discretion. Failure to use product in methods consistent with Nystrom product manuals shall relieve Nystrom of any liability. Our liability under this warranty excludes installation or removal costs involved in the product replacement and excludes any responsibility for incidental or consequential damage of any nature.
For information on a warranty claim, please visit our Warranty Support section or call 800 547-2635.
Download the retrofit kit drawing below for replacement partsRetro Kit
|Description||Model||Shop Drawing||CAD||Revit/BIM||Data Sheet||3-Part Specs||LEED||Installation||Warranty|
|Aluminum, Rooftop Close||SVSA_S1N_R||DWG||LINK||WORD|
|Aluminum, Rooftop Close & Electrical||SVSA_S1_R||DWG||LINK||WORD|
|Aluminum Cover & Steel Curb, Rooftop Close||SVSB_S1N_R||DWG||LINK||WORD|
|Aluminum Cover & Steel Curb, Rooftop Close & Electrical||SVSB_S1_R||DWG||LINK||WORD|
|Steel, Rooftop Close||SVSG_S1N_R||DWG||LINK||WORD|
|Steel, Rooftop Close & Electrical||SVSG_S1_R||LINK||WORD|