what is ra mounting

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Optional closer reinforcements are located at 3" from hinge jamb to the beginning of the reinforcement plate. This applies to Regular Arm, Parallel Arm, Top Jamb. Regular Arm (RA) closer reinfor...
Part numbers are: 4270903177 for 1 each CAM.102 for a package of 10
Maximum reveal for a 4041 regular arm is 2-9/16". The reveal for a 4041 long arm is from 2-9/16" to 4-13/16". The reveal for a 4041 extra long arm (ELR) is from 4-13/16" to 8". ST-2523 is a sp...
Consider the Soss hinge like a butt hinge to determine the size of overhead that is needed.  For templating use the same mounting group as a 4" wide butt hinge and the appropriate door thickness.
The Von Duprin CD kit comes with the cover plate machined to accept the cylinder dogging mortise cylinder.1 1/4" mortise cylinder with an inverted straight cam is required for CD option on Von Dupr...
ST-1630 is required when mounting a 4041 or 4040XP door closer regular (pull/hinge) side with a concealed GJ100 or GJ410 series over head stop.
Bottom mounting fitting on 9954 is taller than 4954. The taller bottom fitting is required for a fire rated application.
According to ANSI specifications for cylindrical or mortise locks: The lock strike centerline should be 40 5/16" from the bottom of the frame with the lock in relation to the strike.&...
Always check the most current revision of the ANSI A156.19 standard for recommendation or requirement of the location of a Knowing Act switch. 2019 ANSI A156.19 states the requirement of the ...