4900 - Heavy Duty Deadlatches

Application

Flexibility of traffic control and installation is offered by 4900 Heavy Duty Deadlatches.

 A reverse turn of the key while bolt is held retracted retains the bolt, to allow two-way traffic for applications which require free entrance at certain times and exit-only at other times.

Specification

While bolt is held fully retracted, a reverse turn of the key retains the bolt, allowing the door to be free swinging. Measures 1" x 6-7/8". Both flat and radius faceplates are supplied. Flat faceplates can also be adjusted in the field for right or left beveled edge doors

Stainless steel. Deadlocks Latchbolt to prevent "loiding" or case-knife entry. Standard strike furnished is 4902 for flat jamb where door closes flush or nearly flush. Specify 4901 for retrofit installations. Also available: radius strike for opposite stile in paired doors and long lip strikes for centerhung doors.

 

Finish

Standards

CYLINDER CAM
• 4900 Heavy Duty Deadlatches are operable by any standard 1-5/32" diameter mortise cylinder with MS® cam dimensioned as shown. Cylinders with MS® cams can be readily obtained from most cylinder manufacturers. CYLINDERS section for cylinder make, thumbturn and trim ring information
 

OPTIONS
• Backset, strike, and finish must be specified when ordering. See 4920AN Heavy Duty Deadlatch (ANSI Size) for wood and hollow metal door applications.

CYLINDER BACKSET
• 31/32", 1-1/8", or 1-1/2".
 

CASE
• Measures 7/8" x 5-13/16" x depth. Depth varies by backset (see table on back of page). Steel with corrosion-resistant plating. Screw-fastened tube spacer brackets allow for cleaner removal when tab mounting.
 

LATCHBOLT
• 5/8" x 1" x 5/8" throw. Solid brass. Handing is easily reversible using only a screwdriver.