The 4031 is a cast iron, universal closer designed specifically for doors in moderate traffic conditions. This versatile closer compliments the rest of the heavy duty 4000 Series and offers the choice of three mountings and multiple arm options.

Features and Benefits
Cast Iron
Forged Steel Main Arm
Heat Treated Steel Pinion
All Weather Fluid
UL & cUL Listed
Specifications
Standard new 4030 series closer is shipped with forged regular arm, metal cover and wood/self-tapping machine screw pack. See the Options tab for more information.
Non-sized (1-4) 4031 cylinder for exterior doors to 36” (914 mm) and interior doors to 48” (1219 mm)
Closer mounts hinge side, top jamb, and parallel arm, on either right or left swinging doors
Closer meets ADA requirements
Standard or optional custom powder coat finish
Optional plated finish on metal cover, arm and fasteners
Optional SRI primer for installations in corrosive conditions is available with powder coat only
The 4030 Series is UL and cUL listed for Self-closing doors without hold-open
Tested and certified under ANSI Standard A156.4, grade one