Non-handed for regular arm, top-jamb or parallel arm installation. Grade 1, ANSI 156.4. UL listed for fire door assemblies. Dynasty Hardware 8500 Series Commercial Grade 1 Automatic Door Closer. The Dynasty Hardware 8500 series aluminum door closer is non-handed for regular arm, top-jamb or parallel arm installation. The Dynasty Hardware 8500 door closer is an excellent quality closer. This door closer is a barrier free closer designed to comply with the Americans with disabilities act (ADA) and to encompass all levels of ANSI classification, grades 1, 2 and 3 as well as UL ...