Product Details:

Physically Handicapped 8.5 Lb. Opening Force for Compliance With ADA Accessibility Requirements
Selective On or Off Hold-Open
Built-in Positive Dead Stop  

This CRL Rixson® Model PH27 Offset Floor Mounted Door Closer provides the best mechanical means of controlling a door. The weight of the door is supported by the bottom arm, which is directly connected to the floor closer spindle. The direct connection between the bottom arm and the floor closer spindle creates a tremendous increase in closing efficiency compared to surface or overhead concealed closers.
This closer complies with guidelines established in the American With Disabilities Act (ADA), 8.5 pounds* opening forces for handicap accessibility when used with 36" (914 mm) wide doors. This closer is capable of supporting exterior or interior doors weighing up to 350 pounds. 

Standard features include selective on or off hold-open, build-in positive dead stop, and separate independent valves for closing, latch and back check adjustments.   

Optional accessories that may be needed are:
253000 Floor Closer Cement Case
284720RH Closer Cover
282026 Bottom Center-Hung Arm
340 Top Center-Hung Pivot

* NOTE: Although the PH Model Closer complies with barrier-free opening force restrictions, it can not be guaranteed that adequate closing force will be obtained.