Sargent 12-NB-MD8410 | 80 Series Grade 1 Fire Rated Narrow Stile Concealed Vertical Rod Less Bottom Rod Exit Device For Hollow Metal Doors

Sargent 12-NB-MD8410 | 80 Series Grade 1 Fire Rated Narrow Stile Concealed Vertical Rod Less Bottom Rod Exit Device For Hollow Metal Doors

Features

• Designed for narrow stile applications (e.g., full glass doors)

• Concealed rods for security and aesthetics

• UL10C (Fire) and UL305 (Panic) listed

• Specify NB- for less bottom rod

• NB- Devices allows free access for wheelchairs and carts. No bottom strike eliminates tripping potential

• All functions determined by outside trim

• Devices are ANSI/BHMA A156.3 - Grade 1

Specifications

Door Type

Hollow Metal Doors

Door Thickness

1-3/4" (44mm) minimum thickness. For doors over 1-3/4" to 2-1/4" thick, specify thickness and order as 31-

Cladding

Available for 1/4" on 1/2" panels. Specify 31- and panel thickness on order. Only available on 1-3/4" door thickness. Must be noted separately from door thickness on order string.

Rail sizes as determined by door width

Rails are available in 4 sizes, use door width to determine size needed.

Rails will be factory cut to size, if door width is supplied 

• E Rail for 24" to 32" door widths, No cutting required for 32" door

• F Rail for 33" to 36" door widths, No cutting required for 36" door

• J Rail for 37" to 42" door widths, No cutting required for 42" door

• G Rail for 43" to 48" door widths, No cutting required for 48" door

Strike

650 Top Strike & 606 Bottom Strike (Panic and Fire Rated) 

Dogging Feature

Hex key dogging standard on non fired rated devices; specify 16- for cylinder dogging (#41 cylinder supplied)

Mounting Fasteners

Supplied standard with machine screws

Top Bolt

Stainless steel

Device Centerline from Finished Floor

41" (1041mm) for Standard Applications 

38" (965mm) for elementary schools

Door/Opening Height

Must be specified - 120" (3048mm) Max Door Opening

Center Case Dimensions

8-3/8" (213mm) x 2-5/8" (67mm)

Projection

Pushbar Neutral – 3" (76mm)

Pushbar Depressed – 2-1/8" (54mm)