Babcock-Davis' Single Door SafeMAX 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
Optional Winch or Linear Actuator
Aluminum: 11 gage Steel: 14 gage galvanneal
Aluminum: Mill Steel: Powder Coat, Red Oxide
Formed metal cover with liner internally stiffened to withstand a live load of 40psf
Single wall curb with EZ tab counterflash and mounting flange
1 inch polyiso R-6 in cover and around curb
Extruded EPDM adhesive backed gasket seal, continuous around cover
Heavy-duty pintle hinge with stainless steel hinge pins
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
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.