The LCN 4031REGAL is a heavy-duty surface mount door closer that installs on the pull side top jamb or push side top jamb of commercial doors. This cast iron closer handles moderate traffic conditions while meeting NFPA 80 self-closing requirements for fire-rated openings and ADA opening force compliance.
The 4031REGAL features a cast iron cylinder with solid forged steel main arm and forearm construction. The arm includes a stop in the soffit shoe for controlled operation. Works on exterior doors up to 36 inches wide and interior doors up to 48 inches wide. Includes metal cover and TBSRT thru bolts for secure mounting.
Understanding Grade 1 door closer requirements helps specify the right closer for your application. For sizing guidance based on door width and traffic patterns, reference the door closer selection guide to match spring size and adjustment features to your specific needs.
| Series | 4030 Series |
|---|---|
| ANSI Grade | Grade 1 |
| Mounting | Surface Mount Universal |
| Material | Cast Iron |
| Finish | 689 Aluminum |
| Door Capacity | Up to 36" Exterior, 48" Interior |
This closer meets ANSI/BHMA A156.4 Grade 1 performance standards for commercial applications requiring reliable operation and durability.