3130SE concealed in the door, closer/ holderDesigned to provide single point hold-open for fire and smoke barrier doorsDoor is held open until current interruption releases mechanism and the door closesSingle lever (track) arm closer is specifically designed for interior doors- Certifications:
- Grade 1- ANSI A156.15, UL/for metal smoke barrier or labeled door, Life Safety Code, NFPA 101, 100 Hour Salt Spray
- Meets BAA - Buy American Act
- Body construction:
- Cast Iron Body
- Full complement bearing
- 1-1/8? diameter piston
- 9/16? Diameter Double Heat Treated Pinion Journal