Door Closers Residential Locks > Hardware & Accessories > Door Closers    9000 SERIES-HYUNDAE ·MEETS ANSI 156.4 GRADE 1 & A D A REQUIREMENTS ·INTELLIGENT COMMERCAIL USE-SIZE FREE DOOR CLOSER ·U.L LISTED & FIRE TESTED IN ACCORDANCE WITH BS 476 ·P.V.C COVER STANDARD ·PARALLEL ARM BRACKET STANDARD Classification & Glossary - 9000-PBC : Size 2-6 - 9000-PBF : Size1/2-4 - 9000-PDA : Size2-6 - 9000-PBF/DA : Size 1/2-4.