ANSI/ BHMA A156.4, C07111, grade 1
Certificate: ANSI 156.4, Grade 1 (C07111)
Compliance: UL, 3 hours fire rated
Material: stainless steel 304
Suitable for wooden doors and steel doors
Precision bearings for smooth operation with dust proof.
Min door thickness: 45mm
Load capacity: 2210 pounds (1000KGS)
single doors up to 4' x10' or pair doors up to 8' x10'