Description
4021-REG LH BRASS DEL LCN Door Closers
The 4020 is a heavy duty closer with adjustable spring power using the LCN Green Dial. This creates a custom fit to meet the specific demands of high traffic use and brings reliable performance.
- Standard 4020 series closer is shipped with regular arm, standard plastic cover, and self reaming and tapping screws. See the Options tab for options.
- Sized cylinders for interior doors to 5’0” and exterior doors to 4’0”.
- Non-sized cylinder (4021) adjustable for interior doors to 4’6” and exterior doors to 3’6”.
- Closer mounts top jamb (push side), specify right or left swinging door.
- 4021 cylinder 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 4020 Series is UL and cUL listed with regular or fusible link arms for self-closing doors.
- Tested and certified under ANSI Standard A156.4, grade one.