spring power chart

RELATED FAQS

Question
Answer
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...
Mechanical pre-loading of spring to adjust closing force
Closing force exerted by the spring inside the cylinder to close the door
Key-in-lever tailpieces differ in length depending on the lock series, function, and design.  Click here to identify the tailpiece and length.  NOTE: Modular cylinders use...
Conversion chart listed here. 
Factory finished painted doors are available from Steelcraft. Frames "are not available" factory finished from the factory. Doors are offered in variety of standard colors or can be fini...
Steelcraft locates all butt hinges from the top of the door to the centerline of each hinge as standard practice: Locating hinges to the center line of the hinge keeps all hinge locations the sa...
To determine the SC series, measure center to center on the closer body bolt hole mounting pattern and an overall description of the closer and arm. SC91 -- 6-3/8" x 3/4" -- unique arm SC93 -- 9-1...