closer size definition

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All the 2030 series closer have a fixed spring sizes. Example -- a 2031 has a size 1 spring,  a 2302 has a size 2 spring, 2033/2034/2035 etc. All the 2030 series closer are shipped at the weakest s...
The Date Code and Closer Size are stamped in the backside of the closer body. Closer Size: If the number is "1", the closer is a 2031 or 5031. If the number is "3", the closer is a 2...
If an Size 1 (ADA) closer is set to 5 lbs. opening force, it will only have about 3 lbs. (60/70%) closing force. If the closer will not close against air pressure, but the ADA requirements have to ...
LCN does not supply Allen wrenches, the size that LCN uses, are standard sizes that every installer will have in their tool kit. 3/32" Allen wrench for adjusting regulation valves: main speed, lat...
A 4010 is the series of door closer, a 4011 is the adjustable spring inside the closer.
To correctly answer this question, we need to know how much more force is required to get the door closed. They could try turning the Rod & Shoe over (short side of shoe towards the hinge), or they...
A 4040 closer mounted with thru bolts on a 2-3/4" thick door would require 1/4-20 X 3-1/2" machine screws.
Hold Open Closers & Magnets (Fire/Life safety products) provide a wide range of solutions.  Single or multi-point hold open closers Utilize an electromechanical closer. Hold the door o...
The measurements from center line to centerline of the mounting holes are 2-3/8"  x  6-3/4".