48" x 48" Quad Door SafeMAX Smoke Vent - Steel & Aluminum

48” x 48” - Quad Door SafeMAX Smoke Vent – Steel & Aluminum  

BA-BSVSB-Q 48" x 48" Quad Door SafeMAX Smoke Vent – Steel & Aluminum by Best Access Doors is an excellent resource for reliable automatic smoke ventilation. Engineered with precision and cutting-edge technology, this quad-door smoke vent provides unparalleled performance in smoke management, ensuring a safer environment in the event of a fire.  

With a highly innovative fusible link that automatically activates a spring-powered cover for immediate ventilation, you can count on this model's compression springs to automatically open against wind or loads as high as 10 psf. BA-BSVSB-Q boasts a quad-door design for exceptional ventilation properties and increased safety standards.   

Take a Closer Look at BA-BSVSB-Q 

Automated Ventilation: BA-BSVSB-Q features a positive releasing latch, activated by a rigorously tested UL-listed fusible link, which melts at temperatures over 165°F. Once the fuse melts, you can count on BA-BSVSB-Q's covers to release, expelling flames, fumes, and toxic gases.    

Note: Alternate fusible link temperatures are available; see below.   

Weatherproofed Construction: BA-BSVSB-Q has EPDM rubber gaskets permanently adhered to its cover, providing a tight seal while leaving the elements out of your spaces. BA-BSVSB-Q's built-in drainage channels leave it highly corrosion-resistant from elemental exposure.     

Structural Reinforcement: BA-BSVSB-Q provides live-load support of up to 40 pounds per square foot of load-bearing support to your rooftops.    

Optimized Energy Efficiency: BA-BSVSB-Q has 1" thick PIR insulation within its cover for enhanced thermal resistance (R-6) and reduced energy consumption.    

Note: 2" Polyisocyanurate (PIR) insulation (R-12) is available as an alternative; please contact our staff to request.    

EZ Tab for Easy Mounting: BA-BSVSB-Q is a single-wall curb hatch with a mounting flange with EZ tabs that make installations quicker and hassle-free.    

Note: Double wall, curb mount, and double wall with no counterflashing alternatives are available; please contact our staff to request.     

Structural Reinforcement: BA-BSVSB-Q provides live-load support of up to 40 pounds per square foot of load-bearing support to your rooftops.    

BA-BSVSB-Q is on the cutting edge of innovation with a melting fusible link. Best Access Doors is proud to offer a range of melting points to suit your needs. The alternatives to the standard 165°F link melt at:  

• 212°F  
• 280°F  
• 350°F  
• 360°F  
• 450°F  

BA-BSVSB-Q is either manually or electronically opened for regular venting. This model opens for manual venting with zinc-plated rotary latches, standard on all models. For electronically opening venting, you will have the options of:  

• 24VDC/24VAC system  
• 110VAC/240VAC system  
• Linear Actuator system (note: this option voids BA-BSVSB-Q's UL listing)  

Please contact our team to identify your preference.   

For closing, alternatives include a:  

• Manual wench  
• Linear Actuator system (note: this option voids BA-BSVSW-Q's UL listing)  

This model's standard zinc-plated steel hold-open arms provide dependable and reliable assistance; however, you can replace them for;  

• Factory Mutual (FM) labeled arms  
• Door position sensors    
• Burglar bars  

Please contact our team to identify your preference. 

Specifications:     

• Dimensions: 48” x 48”     
• Material: 14-gauge galvannealed steel with high reflecting white powder coat and 11-gauge aluminum with mill finish    
• Cover: Formed aluminum cover internally reinforced for 40 psf live load     
• Curb: Single wall curb with EZ tab counterflashing and mounting flange    
• Gasket: Extruded EPDM adhesive-backed gasket seal, continuous around cover    
• Hinges: Zinc-plated steel tamper-proof    
• Latch: Zinc-plated steel rotary latch holds covers closed against 135psf wind uplift; opens manually with external and internal pull cables; opens automatically with a variable fusible link  
• Lift-Assistance: Gas spring with damper for lift-assistance, opens cover against 10psf; automatic hold-open arms lock cover in place   
• Finish: Reflective white powder coat finish  

Step up your building’s ventilation and safety system with the addition of BA-BSVSB-Q 48" x 48" Quad Door SafeMAX Smoke Vent – Steel & Aluminum by Best Access Doors. 

Build with the Best!  

At Best Access Doors, we are committed to our customer's satisfaction! Simply choose your size, and if you have general product questions, custom requests, or would like to make a large order, count on our world-class product specialists to guide you through every step!     

Connect with us at your convenience at (800)-483-0823; we would love to help!