Sargent 12-NB-MD8610 | 80 Series Grade 1 Fire Rated Concealed Vertical Rod Less Bottom Rod Exit Device For Metal Doors

Sargent 12-NB-MD8610 | 80 Series Grade 1 Fire Rated Concealed Vertical Rod Less Bottom Rod Exit Device For Metal Doors

Features

• Designed for standard width stile applications on hollow metal doors

• Concealed rods for security and aesthetics

• Single and double door applications

• Specify NB- for less bottom rod – NB not available with HC and WS options

• Devices are ANSI A156.3 - Grade 1

• UL Fire listed

Specifications

Door Type

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.

Stile

4-1/2" (114mm) minimum stile width

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 (Panic and Fire Rated)

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

96" max door height for HC and WS options

Center Case Dimensions

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

Projection

Pushbar Neutral – 3" (76mm)

Pushbar Depressed – 2-1/8" (54mm)