4310HSA electrically controlled closer/holderDesigned to provide easy passage for groups of pedestrians through high traffic doorsPedestrians, moving through the doorway, trigger the built-in scannerWhen the door is opened to 80° or more, the door is electrically held open to minimize wear and tear on applied door hardwareAfter the last pedestrian in a group passes through the doorway, the system timer releases the hold-open, closing the door under control of the heavy duty closerSingle lever (track) arm closer is specifically designed for pull side mountingChoice of finishes and accessories meet virtually all high traffic installation requirements- Certifications:
- Grade 1 - ANSI A156.15, UL 10C, 100 Hour Salt Spray
- Meets BAA - Buy American Act
- NFPA 101
- Body construction:
- Cast Iron Body
- Full complement bearing
- 1-1/2? diameter piston
- 11/16? Diameter Double Heat Treated Pinion Journal